/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
import org.apache.hadoop.hbase.DoNotRetryIOException;
import org.apache.hadoop.hbase.FailedSanityCheckException;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestCase;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HConstants.OperationStatusCode;
import org.apache.hadoop.hbase.HDFSBlocksDistribution;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.MultithreadedTestUtil;
import org.apache.hadoop.hbase.MultithreadedTestUtil.TestThread;
import org.apache.hadoop.hbase.MultithreadedTestUtil.RepeatingTestThread;
import org.apache.hadoop.hbase.client.Append;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Increment;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.filter.BinaryComparator;
import org.apache.hadoop.hbase.filter.ColumnCountGetFilter;
import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.hadoop.hbase.filter.FilterList;
import org.apache.hadoop.hbase.filter.NullComparator;
import org.apache.hadoop.hbase.filter.PrefixFilter;
import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
import org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;
import org.apache.hadoop.hbase.monitoring.MonitoredTask;
import org.apache.hadoop.hbase.monitoring.TaskMonitor;
import org.apache.hadoop.hbase.regionserver.HRegion.RegionScannerImpl;
import org.apache.hadoop.hbase.regionserver.StoreFile.BloomType;
import org.apache.hadoop.hbase.regionserver.wal.HLog;
import org.apache.hadoop.hbase.regionserver.wal.HLogFactory;
import org.apache.hadoop.hbase.regionserver.wal.HLogUtil;
import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
import org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import org.apache.hadoop.hbase.test.MetricsAssertHelper;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;
import org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.hadoop.hbase.util.PairOfSameType;
import org.apache.hadoop.hbase.util.Threads;
import org.junit.Assert;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
import com.google.common.collect.Lists;
/**
* Basic stand-alone testing of HRegion.
*
* A lot of the meta information for an HRegion now lives inside other
* HRegions or in the HBaseMaster, so only basic testing is possible.
*/
@Category(MediumTests.class)
public class TestHRegion extends HBaseTestCase {
// Do not spin up clusters in here. If you need to spin up a cluster, do it
// over in TestHRegionOnCluster.
static final Log LOG = LogFactory.getLog(TestHRegion.class);
private static final String COLUMN_FAMILY = "MyCF";
HRegion region = null;
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static final String DIR = TEST_UTIL.getDataTestDir("TestHRegion").toString();
private final int MAX_VERSIONS = 2;
// Test names
protected final byte[] tableName = Bytes.toBytes("testtable");;
protected final byte[] qual1 = Bytes.toBytes("qual1");
protected final byte[] qual2 = Bytes.toBytes("qual2");
protected final byte[] qual3 = Bytes.toBytes("qual3");
protected final byte[] value1 = Bytes.toBytes("value1");
protected final byte[] value2 = Bytes.toBytes("value2");
protected final byte [] row = Bytes.toBytes("rowA");
protected final byte [] row2 = Bytes.toBytes("rowB");
protected final MetricsAssertHelper metricsAssertHelper =
CompatibilitySingletonFactory.getInstance(MetricsAssertHelper.class);
/**
* @see org.apache.hadoop.hbase.HBaseTestCase#setUp()
*/
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
EnvironmentEdgeManagerTestHelper.reset();
}
//////////////////////////////////////////////////////////////////////////////
// New tests that doesn't spin up a mini cluster but rather just test the
// individual code pieces in the HRegion. Putting files locally in
// /tmp/testtable
//////////////////////////////////////////////////////////////////////////////
public void testCompactionAffectedByScanners() throws Exception {
String method = "testCompactionAffectedByScanners";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
Configuration conf = HBaseConfiguration.create();
this.region = initHRegion(tableName, method, conf, family);
Put put = new Put(Bytes.toBytes("r1"));
put.add(family, Bytes.toBytes("q1"), Bytes.toBytes("v1"));
region.put(put);
region.flushcache();
Scan scan = new Scan();
scan.setMaxVersions(3);
// open the first scanner
RegionScanner scanner1 = region.getScanner(scan);
Delete delete = new Delete(Bytes.toBytes("r1"));
region.delete(delete, null, false);
region.flushcache();
// open the second scanner
RegionScanner scanner2 = region.getScanner(scan);
List<KeyValue> results = new ArrayList<KeyValue>();
System.out.println("Smallest read point:" + region.getSmallestReadPoint());
// make a major compaction
region.compactStores(true);
// open the third scanner
RegionScanner scanner3 = region.getScanner(scan);
// get data from scanner 1, 2, 3 after major compaction
scanner1.next(results);
System.out.println(results);
assertEquals(1, results.size());
results.clear();
scanner2.next(results);
System.out.println(results);
assertEquals(0, results.size());
results.clear();
scanner3.next(results);
System.out.println(results);
assertEquals(0, results.size());
}
@Test
public void testToShowNPEOnRegionScannerReseek() throws Exception{
String method = "testToShowNPEOnRegionScannerReseek";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
Configuration conf = HBaseConfiguration.create();
this.region = initHRegion(tableName, method, conf, family);
Put put = new Put(Bytes.toBytes("r1"));
put.add(family, Bytes.toBytes("q1"), Bytes.toBytes("v1"));
region.put(put);
put = new Put(Bytes.toBytes("r2"));
put.add(family, Bytes.toBytes("q1"), Bytes.toBytes("v1"));
region.put(put);
region.flushcache();
Scan scan = new Scan();
scan.setMaxVersions(3);
// open the first scanner
RegionScanner scanner1 = region.getScanner(scan);
System.out.println("Smallest read point:" + region.getSmallestReadPoint());
region.compactStores(true);
scanner1.reseek(Bytes.toBytes("r2"));
List<KeyValue> results = new ArrayList<KeyValue>();
scanner1.next(results);
KeyValue keyValue = results.get(0);
Assert.assertTrue(Bytes.compareTo(keyValue.getRow(), Bytes.toBytes("r2")) == 0);
scanner1.close();
}
public void testSkipRecoveredEditsReplay() throws Exception {
String method = "testSkipRecoveredEditsReplay";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
Configuration conf = HBaseConfiguration.create();
this.region = initHRegion(tableName, method, conf, family);
try {
Path regiondir = region.getRegionDir();
FileSystem fs = region.getFilesystem();
byte[] regionName = region.getRegionInfo().getEncodedNameAsBytes();
Path recoveredEditsDir = HLogUtil.getRegionDirRecoveredEditsDir(regiondir);
long maxSeqId = 1050;
long minSeqId = 1000;
for (long i = minSeqId; i <= maxSeqId; i += 10) {
Path recoveredEdits = new Path(recoveredEditsDir, String.format("%019d", i));
fs.create(recoveredEdits);
HLog.Writer writer = HLogFactory.createWriter(fs,
recoveredEdits, conf);
long time = System.nanoTime();
WALEdit edit = new WALEdit();
edit.add(new KeyValue(row, family, Bytes.toBytes(i),
time, KeyValue.Type.Put, Bytes.toBytes(i)));
writer.append(new HLog.Entry(new HLogKey(regionName, tableName,
i, time, HConstants.DEFAULT_CLUSTER_ID), edit));
writer.close();
}
MonitoredTask status = TaskMonitor.get().createStatus(method);
Map<byte[], Long> maxSeqIdInStores = new TreeMap<byte[], Long>(
Bytes.BYTES_COMPARATOR);
for (Store store : region.getStores().values()) {
maxSeqIdInStores.put(store.getColumnFamilyName().getBytes(),
minSeqId - 1);
}
long seqId = region.replayRecoveredEditsIfAny(regiondir, maxSeqIdInStores, null, status);
assertEquals(maxSeqId, seqId);
Get get = new Get(row);
Result result = region.get(get, null);
for (long i = minSeqId; i <= maxSeqId; i += 10) {
List<KeyValue> kvs = result.getColumn(family, Bytes.toBytes(i));
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes(i), kvs.get(0).getValue());
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testSkipRecoveredEditsReplaySomeIgnored() throws Exception {
String method = "testSkipRecoveredEditsReplaySomeIgnored";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
this.region = initHRegion(tableName, method, HBaseConfiguration.create(), family);
try {
Path regiondir = region.getRegionDir();
FileSystem fs = region.getFilesystem();
byte[] regionName = region.getRegionInfo().getEncodedNameAsBytes();
Path recoveredEditsDir = HLogUtil.getRegionDirRecoveredEditsDir(regiondir);
long maxSeqId = 1050;
long minSeqId = 1000;
for (long i = minSeqId; i <= maxSeqId; i += 10) {
Path recoveredEdits = new Path(recoveredEditsDir, String.format("%019d", i));
fs.create(recoveredEdits);
HLog.Writer writer = HLogFactory.createWriter(fs,
recoveredEdits, conf);
long time = System.nanoTime();
WALEdit edit = new WALEdit();
edit.add(new KeyValue(row, family, Bytes.toBytes(i),
time, KeyValue.Type.Put, Bytes.toBytes(i)));
writer.append(new HLog.Entry(new HLogKey(regionName, tableName,
i, time, HConstants.DEFAULT_CLUSTER_ID), edit));
writer.close();
}
long recoverSeqId = 1030;
MonitoredTask status = TaskMonitor.get().createStatus(method);
Map<byte[], Long> maxSeqIdInStores = new TreeMap<byte[], Long>(
Bytes.BYTES_COMPARATOR);
for (Store store : region.getStores().values()) {
maxSeqIdInStores.put(store.getColumnFamilyName().getBytes(),
recoverSeqId - 1);
}
long seqId = region.replayRecoveredEditsIfAny(regiondir, maxSeqIdInStores, null, status);
assertEquals(maxSeqId, seqId);
Get get = new Get(row);
Result result = region.get(get, null);
for (long i = minSeqId; i <= maxSeqId; i += 10) {
List<KeyValue> kvs = result.getColumn(family, Bytes.toBytes(i));
if (i < recoverSeqId) {
assertEquals(0, kvs.size());
} else {
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes(i), kvs.get(0).getValue());
}
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testSkipRecoveredEditsReplayAllIgnored() throws Exception {
String method = "testSkipRecoveredEditsReplayAllIgnored";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
this.region = initHRegion(tableName, method, HBaseConfiguration.create(), family);
try {
Path regiondir = region.getRegionDir();
FileSystem fs = region.getFilesystem();
Path recoveredEditsDir = HLogUtil.getRegionDirRecoveredEditsDir(regiondir);
for (int i = 1000; i < 1050; i += 10) {
Path recoveredEdits = new Path(
recoveredEditsDir, String.format("%019d", i));
FSDataOutputStream dos= fs.create(recoveredEdits);
dos.writeInt(i);
dos.close();
}
long minSeqId = 2000;
Path recoveredEdits = new Path(
recoveredEditsDir, String.format("%019d", minSeqId-1));
FSDataOutputStream dos= fs.create(recoveredEdits);
dos.close();
Map<byte[], Long> maxSeqIdInStores = new TreeMap<byte[], Long>(
Bytes.BYTES_COMPARATOR);
for (Store store : region.getStores().values()) {
maxSeqIdInStores.put(store.getColumnFamilyName().getBytes(), minSeqId);
}
long seqId = region.replayRecoveredEditsIfAny(regiondir,
maxSeqIdInStores, null, null);
assertEquals(minSeqId, seqId);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testGetWhileRegionClose() throws IOException {
Configuration hc = initSplit();
int numRows = 100;
byte [][] families = {fam1, fam2, fam3};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, hc, families);
try {
// Put data in region
final int startRow = 100;
putData(startRow, numRows, qual1, families);
putData(startRow, numRows, qual2, families);
putData(startRow, numRows, qual3, families);
// this.region.flushcache();
final AtomicBoolean done = new AtomicBoolean(false);
final AtomicInteger gets = new AtomicInteger(0);
GetTillDoneOrException [] threads = new GetTillDoneOrException[10];
try {
// Set ten threads running concurrently getting from the region.
for (int i = 0; i < threads.length / 2; i++) {
threads[i] = new GetTillDoneOrException(i, Bytes.toBytes("" + startRow),
done, gets);
threads[i].setDaemon(true);
threads[i].start();
}
// Artificially make the condition by setting closing flag explicitly.
// I can't make the issue happen with a call to region.close().
this.region.closing.set(true);
for (int i = threads.length / 2; i < threads.length; i++) {
threads[i] = new GetTillDoneOrException(i, Bytes.toBytes("" + startRow),
done, gets);
threads[i].setDaemon(true);
threads[i].start();
}
} finally {
if (this.region != null) {
HRegion.closeHRegion(this.region);
}
}
done.set(true);
for (GetTillDoneOrException t: threads) {
try {
t.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
if (t.e != null) {
LOG.info("Exception=" + t.e);
assertFalse("Found a NPE in " + t.getName(),
t.e instanceof NullPointerException);
}
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/*
* Thread that does get on single row until 'done' flag is flipped. If an
* exception causes us to fail, it records it.
*/
class GetTillDoneOrException extends Thread {
private final Get g;
private final AtomicBoolean done;
private final AtomicInteger count;
private Exception e;
GetTillDoneOrException(final int i, final byte[] r, final AtomicBoolean d,
final AtomicInteger c) {
super("getter." + i);
this.g = new Get(r);
this.done = d;
this.count = c;
}
@Override
public void run() {
while (!this.done.get()) {
try {
assertTrue(region.get(g, null).size() > 0);
this.count.incrementAndGet();
} catch (Exception e) {
this.e = e;
break;
}
}
}
}
/*
* An involved filter test. Has multiple column families and deletes in mix.
*/
public void testWeirdCacheBehaviour() throws Exception {
byte[] TABLE = Bytes.toBytes("testWeirdCacheBehaviour");
byte[][] FAMILIES = new byte[][] { Bytes.toBytes("trans-blob"),
Bytes.toBytes("trans-type"), Bytes.toBytes("trans-date"),
Bytes.toBytes("trans-tags"), Bytes.toBytes("trans-group") };
this.region = initHRegion(TABLE, getName(), FAMILIES);
try {
String value = "this is the value";
String value2 = "this is some other value";
String keyPrefix1 = "prefix1"; // UUID.randomUUID().toString();
String keyPrefix2 = "prefix2"; // UUID.randomUUID().toString();
String keyPrefix3 = "prefix3"; // UUID.randomUUID().toString();
putRows(this.region, 3, value, keyPrefix1);
putRows(this.region, 3, value, keyPrefix2);
putRows(this.region, 3, value, keyPrefix3);
// this.region.flushCommits();
putRows(this.region, 3, value2, keyPrefix1);
putRows(this.region, 3, value2, keyPrefix2);
putRows(this.region, 3, value2, keyPrefix3);
System.out.println("Checking values for key: " + keyPrefix1);
assertEquals("Got back incorrect number of rows from scan", 3,
getNumberOfRows(keyPrefix1, value2, this.region));
System.out.println("Checking values for key: " + keyPrefix2);
assertEquals("Got back incorrect number of rows from scan", 3,
getNumberOfRows(keyPrefix2, value2, this.region));
System.out.println("Checking values for key: " + keyPrefix3);
assertEquals("Got back incorrect number of rows from scan", 3,
getNumberOfRows(keyPrefix3, value2, this.region));
deleteColumns(this.region, value2, keyPrefix1);
deleteColumns(this.region, value2, keyPrefix2);
deleteColumns(this.region, value2, keyPrefix3);
System.out.println("Starting important checks.....");
assertEquals("Got back incorrect number of rows from scan: " + keyPrefix1,
0, getNumberOfRows(keyPrefix1, value2, this.region));
assertEquals("Got back incorrect number of rows from scan: " + keyPrefix2,
0, getNumberOfRows(keyPrefix2, value2, this.region));
assertEquals("Got back incorrect number of rows from scan: " + keyPrefix3,
0, getNumberOfRows(keyPrefix3, value2, this.region));
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
private void deleteColumns(HRegion r, String value, String keyPrefix)
throws IOException {
InternalScanner scanner = buildScanner(keyPrefix, value, r);
int count = 0;
boolean more = false;
List<KeyValue> results = new ArrayList<KeyValue>();
do {
more = scanner.next(results);
if (results != null && !results.isEmpty())
count++;
else
break;
Delete delete = new Delete(results.get(0).getRow());
delete.deleteColumn(Bytes.toBytes("trans-tags"), Bytes.toBytes("qual2"));
r.delete(delete, null, false);
results.clear();
} while (more);
assertEquals("Did not perform correct number of deletes", 3, count);
}
private int getNumberOfRows(String keyPrefix, String value, HRegion r) throws Exception {
InternalScanner resultScanner = buildScanner(keyPrefix, value, r);
int numberOfResults = 0;
List<KeyValue> results = new ArrayList<KeyValue>();
boolean more = false;
do {
more = resultScanner.next(results);
if (results != null && !results.isEmpty()) numberOfResults++;
else break;
for (KeyValue kv: results) {
System.out.println("kv=" + kv.toString() + ", " + Bytes.toString(kv.getValue()));
}
results.clear();
} while(more);
return numberOfResults;
}
private InternalScanner buildScanner(String keyPrefix, String value, HRegion r)
throws IOException {
// Defaults FilterList.Operator.MUST_PASS_ALL.
FilterList allFilters = new FilterList();
allFilters.addFilter(new PrefixFilter(Bytes.toBytes(keyPrefix)));
// Only return rows where this column value exists in the row.
SingleColumnValueFilter filter =
new SingleColumnValueFilter(Bytes.toBytes("trans-tags"),
Bytes.toBytes("qual2"), CompareOp.EQUAL, Bytes.toBytes(value));
filter.setFilterIfMissing(true);
allFilters.addFilter(filter);
Scan scan = new Scan();
scan.addFamily(Bytes.toBytes("trans-blob"));
scan.addFamily(Bytes.toBytes("trans-type"));
scan.addFamily(Bytes.toBytes("trans-date"));
scan.addFamily(Bytes.toBytes("trans-tags"));
scan.addFamily(Bytes.toBytes("trans-group"));
scan.setFilter(allFilters);
return r.getScanner(scan);
}
private void putRows(HRegion r, int numRows, String value, String key)
throws IOException {
for (int i = 0; i < numRows; i++) {
String row = key + "_" + i/* UUID.randomUUID().toString() */;
System.out.println(String.format("Saving row: %s, with value %s", row,
value));
Put put = new Put(Bytes.toBytes(row));
put.setWriteToWAL(false);
put.add(Bytes.toBytes("trans-blob"), null,
Bytes.toBytes("value for blob"));
put.add(Bytes.toBytes("trans-type"), null, Bytes.toBytes("statement"));
put.add(Bytes.toBytes("trans-date"), null,
Bytes.toBytes("20090921010101999"));
put.add(Bytes.toBytes("trans-tags"), Bytes.toBytes("qual2"),
Bytes.toBytes(value));
put.add(Bytes.toBytes("trans-group"), null,
Bytes.toBytes("adhocTransactionGroupId"));
r.put(put);
}
}
public void testFamilyWithAndWithoutColon() throws Exception {
byte [] b = Bytes.toBytes(getName());
byte [] cf = Bytes.toBytes(COLUMN_FAMILY);
this.region = initHRegion(b, getName(), cf);
try {
Put p = new Put(b);
byte [] cfwithcolon = Bytes.toBytes(COLUMN_FAMILY + ":");
p.add(cfwithcolon, cfwithcolon, cfwithcolon);
boolean exception = false;
try {
this.region.put(p);
} catch (NoSuchColumnFamilyException e) {
exception = true;
}
assertTrue(exception);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
@SuppressWarnings("unchecked")
public void testBatchPut() throws Exception {
byte[] b = Bytes.toBytes(getName());
byte[] cf = Bytes.toBytes(COLUMN_FAMILY);
byte[] qual = Bytes.toBytes("qual");
byte[] val = Bytes.toBytes("val");
this.region = initHRegion(b, getName(), cf);
MetricsWALSource source = CompatibilitySingletonFactory.getInstance(MetricsWALSource.class);
try {
long syncs = metricsAssertHelper.getCounter("syncTimeNumOps", source);
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs, source);
LOG.info("First a batch put with all valid puts");
final Put[] puts = new Put[10];
for (int i = 0; i < 10; i++) {
puts[i] = new Put(Bytes.toBytes("row_" + i));
puts[i].add(cf, qual, val);
}
OperationStatus[] codes = this.region.put(puts);
assertEquals(10, codes.length);
for (int i = 0; i < 10; i++) {
assertEquals(OperationStatusCode.SUCCESS, codes[i]
.getOperationStatusCode());
}
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs + 1, source);
LOG.info("Next a batch put with one invalid family");
puts[5].add(Bytes.toBytes("BAD_CF"), qual, val);
codes = this.region.put(puts);
assertEquals(10, codes.length);
for (int i = 0; i < 10; i++) {
assertEquals((i == 5) ? OperationStatusCode.BAD_FAMILY :
OperationStatusCode.SUCCESS, codes[i].getOperationStatusCode());
}
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs + 2, source);
LOG.info("Next a batch put that has to break into two batches to avoid a lock");
Integer lockedRow = region.obtainRowLock(Bytes.toBytes("row_2"));
MultithreadedTestUtil.TestContext ctx =
new MultithreadedTestUtil.TestContext(HBaseConfiguration.create());
final AtomicReference<OperationStatus[]> retFromThread =
new AtomicReference<OperationStatus[]>();
TestThread putter = new TestThread(ctx) {
@Override
public void doWork() throws IOException {
retFromThread.set(region.put(puts));
}
};
LOG.info("...starting put thread while holding lock");
ctx.addThread(putter);
ctx.startThreads();
LOG.info("...waiting for put thread to sync first time");
long startWait = System.currentTimeMillis();
while (metricsAssertHelper.getCounter("syncTimeNumOps", source) == syncs +2 ) {
Thread.sleep(100);
if (System.currentTimeMillis() - startWait > 10000) {
fail("Timed out waiting for thread to sync first minibatch");
}
}
LOG.info("...releasing row lock, which should let put thread continue");
region.releaseRowLock(lockedRow);
LOG.info("...joining on thread");
ctx.stop();
LOG.info("...checking that next batch was synced");
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs + 4, source);
codes = retFromThread.get();
for (int i = 0; i < 10; i++) {
assertEquals((i == 5) ? OperationStatusCode.BAD_FAMILY :
OperationStatusCode.SUCCESS, codes[i].getOperationStatusCode());
}
LOG.info("Nexta, a batch put which uses an already-held lock");
lockedRow = region.obtainRowLock(Bytes.toBytes("row_2"));
LOG.info("...obtained row lock");
List<Pair<Mutation, Integer>> putsAndLocks = Lists.newArrayList();
for (int i = 0; i < 10; i++) {
Pair<Mutation, Integer> pair = new Pair<Mutation, Integer>(puts[i], null);
if (i == 2) pair.setSecond(lockedRow);
putsAndLocks.add(pair);
}
codes = region.batchMutate(putsAndLocks.toArray(new Pair[0]));
LOG.info("...performed put");
for (int i = 0; i < 10; i++) {
assertEquals((i == 5) ? OperationStatusCode.BAD_FAMILY :
OperationStatusCode.SUCCESS, codes[i].getOperationStatusCode());
}
// Make sure we didn't do an extra batch
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs + 5, source);
// Make sure we still hold lock
assertTrue(region.isRowLocked(lockedRow));
LOG.info("...releasing lock");
region.releaseRowLock(lockedRow);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testBatchPutWithTsSlop() throws Exception {
byte[] b = Bytes.toBytes(getName());
byte[] cf = Bytes.toBytes(COLUMN_FAMILY);
byte[] qual = Bytes.toBytes("qual");
byte[] val = Bytes.toBytes("val");
HBaseConfiguration conf = new HBaseConfiguration();
// add data with a timestamp that is too recent for range. Ensure assert
conf.setInt("hbase.hregion.keyvalue.timestamp.slop.millisecs", 1000);
this.region = initHRegion(b, getName(), conf, cf);
try{
MetricsWALSource source = CompatibilitySingletonFactory.getInstance(MetricsWALSource.class);
long syncs = metricsAssertHelper.getCounter("syncTimeNumOps", source);
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs, source);
final Put[] puts = new Put[10];
for (int i = 0; i < 10; i++) {
puts[i] = new Put(Bytes.toBytes("row_" + i), Long.MAX_VALUE - 100);
puts[i].add(cf, qual, val);
}
OperationStatus[] codes = this.region.put(puts);
assertEquals(10, codes.length);
for (int i = 0; i < 10; i++) {
assertEquals(OperationStatusCode.SANITY_CHECK_FAILURE, codes[i]
.getOperationStatusCode());
}
metricsAssertHelper.assertCounter("syncTimeNumOps", syncs, source);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// checkAndMutate tests
//////////////////////////////////////////////////////////////////////////////
public void testCheckAndMutate_WithEmptyRowValue() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qf1 = Bytes.toBytes("qualifier");
byte [] emptyVal = new byte[] {};
byte [] val1 = Bytes.toBytes("value1");
byte [] val2 = Bytes.toBytes("value2");
Integer lockId = null;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Putting empty data in key
Put put = new Put(row1);
put.add(fam1, qf1, emptyVal);
//checkAndPut with empty value
boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), put, lockId, true);
assertTrue(res);
//Putting data in key
put = new Put(row1);
put.add(fam1, qf1, val1);
//checkAndPut with correct value
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), put, lockId, true);
assertTrue(res);
// not empty anymore
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), put, lockId, true);
assertFalse(res);
Delete delete = new Delete(row1);
delete.deleteColumn(fam1, qf1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), delete, lockId, true);
assertFalse(res);
put = new Put(row1);
put.add(fam1, qf1, val2);
//checkAndPut with correct value
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val1), put, lockId, true);
assertTrue(res);
//checkAndDelete with correct value
delete = new Delete(row1);
delete.deleteColumn(fam1, qf1);
delete.deleteColumn(fam1, qf1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val2), delete, lockId, true);
assertTrue(res);
delete = new Delete(row1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), delete, lockId, true);
assertTrue(res);
//checkAndPut looking for a null value
put = new Put(row1);
put.add(fam1, qf1, val1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new NullComparator(), put, lockId, true);
assertTrue(res);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testCheckAndMutate_WithWrongValue() throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qf1 = Bytes.toBytes("qualifier");
byte [] val1 = Bytes.toBytes("value1");
byte [] val2 = Bytes.toBytes("value2");
Integer lockId = null;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Putting data in key
Put put = new Put(row1);
put.add(fam1, qf1, val1);
region.put(put);
//checkAndPut with wrong value
boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val2), put, lockId, true);
assertEquals(false, res);
//checkAndDelete with wrong value
Delete delete = new Delete(row1);
delete.deleteFamily(fam1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val2), delete, lockId, true);
assertEquals(false, res);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testCheckAndMutate_WithCorrectValue() throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qf1 = Bytes.toBytes("qualifier");
byte [] val1 = Bytes.toBytes("value1");
Integer lockId = null;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Putting data in key
Put put = new Put(row1);
put.add(fam1, qf1, val1);
region.put(put);
//checkAndPut with correct value
boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val1), put, lockId, true);
assertEquals(true, res);
//checkAndDelete with correct value
Delete delete = new Delete(row1);
delete.deleteColumn(fam1, qf1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val1), put, lockId, true);
assertEquals(true, res);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testCheckAndPut_ThatPutWasWritten() throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [] qf1 = Bytes.toBytes("qualifier");
byte [] val1 = Bytes.toBytes("value1");
byte [] val2 = Bytes.toBytes("value2");
Integer lockId = null;
byte [][] families = {fam1, fam2};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in the key to check
Put put = new Put(row1);
put.add(fam1, qf1, val1);
region.put(put);
//Creating put to add
long ts = System.currentTimeMillis();
KeyValue kv = new KeyValue(row1, fam2, qf1, ts, KeyValue.Type.Put, val2);
put = new Put(row1);
put.add(kv);
//checkAndPut with wrong value
HStore store = (HStore) region.getStore(fam1);
store.memstore.kvset.size();
boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val1), put, lockId, true);
assertEquals(true, res);
store.memstore.kvset.size();
Get get = new Get(row1);
get.addColumn(fam2, qf1);
KeyValue [] actual = region.get(get, null).raw();
KeyValue [] expected = {kv};
assertEquals(expected.length, actual.length);
for(int i=0; i<actual.length; i++) {
assertEquals(expected[i], actual[i]);
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testCheckAndPut_wrongRowInPut() throws IOException {
this.region = initHRegion(tableName, this.getName(), COLUMNS);
try {
Put put = new Put(row2);
put.add(fam1, qual1, value1);
try {
boolean res = region.checkAndMutate(row, fam1, qual1, CompareOp.EQUAL,
new BinaryComparator(value2), put, null, false);
fail();
} catch (DoNotRetryIOException expected) {
// expected exception.
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testCheckAndDelete_ThatDeleteWasWritten() throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
byte [] qf3 = Bytes.toBytes("qualifier3");
byte [] val1 = Bytes.toBytes("value1");
byte [] val2 = Bytes.toBytes("value2");
byte [] val3 = Bytes.toBytes("value3");
byte[] emptyVal = new byte[] { };
Integer lockId = null;
byte [][] families = {fam1, fam2};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Put content
Put put = new Put(row1);
put.add(fam1, qf1, val1);
region.put(put);
Threads.sleep(2);
put = new Put(row1);
put.add(fam1, qf1, val2);
put.add(fam2, qf1, val3);
put.add(fam2, qf2, val2);
put.add(fam2, qf3, val1);
put.add(fam1, qf3, val1);
region.put(put);
//Multi-column delete
Delete delete = new Delete(row1);
delete.deleteColumn(fam1, qf1);
delete.deleteColumn(fam2, qf1);
delete.deleteColumn(fam1, qf3);
boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val2), delete, lockId, true);
assertEquals(true, res);
Get get = new Get(row1);
get.addColumn(fam1, qf1);
get.addColumn(fam1, qf3);
get.addColumn(fam2, qf2);
Result r = region.get(get, null);
assertEquals(2, r.size());
assertEquals(val1, r.getValue(fam1, qf1));
assertEquals(val2, r.getValue(fam2, qf2));
//Family delete
delete = new Delete(row1);
delete.deleteFamily(fam2);
res = region.checkAndMutate(row1, fam2, qf1, CompareOp.EQUAL,
new BinaryComparator(emptyVal), delete, lockId, true);
assertEquals(true, res);
get = new Get(row1);
r = region.get(get, null);
assertEquals(1, r.size());
assertEquals(val1, r.getValue(fam1, qf1));
//Row delete
delete = new Delete(row1);
res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL,
new BinaryComparator(val1), delete, lockId, true);
assertEquals(true, res);
get = new Get(row1);
r = region.get(get, null);
assertEquals(0, r.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Delete tests
//////////////////////////////////////////////////////////////////////////////
public void testDelete_multiDeleteColumn() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qual = Bytes.toBytes("qualifier");
byte [] value = Bytes.toBytes("value");
Put put = new Put(row1);
put.add(fam1, qual, 1, value);
put.add(fam1, qual, 2, value);
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
region.put(put);
// We do support deleting more than 1 'latest' version
Delete delete = new Delete(row1);
delete.deleteColumn(fam1, qual);
delete.deleteColumn(fam1, qual);
region.delete(delete, null, false);
Get get = new Get(row1);
get.addFamily(fam1);
Result r = region.get(get, null);
assertEquals(0, r.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testDelete_CheckFamily() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [] fam3 = Bytes.toBytes("fam3");
byte [] fam4 = Bytes.toBytes("fam4");
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1, fam2, fam3);
try {
List<KeyValue> kvs = new ArrayList<KeyValue>();
kvs.add(new KeyValue(row1, fam4, null, null));
//testing existing family
byte [] family = fam2;
try {
Map<byte[], List<KeyValue>> deleteMap = new HashMap<byte[], List<KeyValue>>();
deleteMap.put(family, kvs);
region.delete(deleteMap, HConstants.DEFAULT_CLUSTER_ID, true);
} catch (Exception e) {
assertTrue("Family " +new String(family)+ " does not exist", false);
}
//testing non existing family
boolean ok = false;
family = fam4;
try {
Map<byte[], List<KeyValue>> deleteMap = new HashMap<byte[], List<KeyValue>>();
deleteMap.put(family, kvs);
region.delete(deleteMap, HConstants.DEFAULT_CLUSTER_ID, true);
} catch (Exception e) {
ok = true;
}
assertEquals("Family " +new String(family)+ " does exist", true, ok);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testDelete_mixed() throws IOException, InterruptedException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] fam = Bytes.toBytes("info");
byte [][] families = {fam};
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
EnvironmentEdgeManagerTestHelper.injectEdge(new IncrementingEnvironmentEdge());
byte [] row = Bytes.toBytes("table_name");
// column names
byte [] serverinfo = Bytes.toBytes("serverinfo");
byte [] splitA = Bytes.toBytes("splitA");
byte [] splitB = Bytes.toBytes("splitB");
// add some data:
Put put = new Put(row);
put.add(fam, splitA, Bytes.toBytes("reference_A"));
region.put(put);
put = new Put(row);
put.add(fam, splitB, Bytes.toBytes("reference_B"));
region.put(put);
put = new Put(row);
put.add(fam, serverinfo, Bytes.toBytes("ip_address"));
region.put(put);
// ok now delete a split:
Delete delete = new Delete(row);
delete.deleteColumns(fam, splitA);
region.delete(delete, null, true);
// assert some things:
Get get = new Get(row).addColumn(fam, serverinfo);
Result result = region.get(get, null);
assertEquals(1, result.size());
get = new Get(row).addColumn(fam, splitA);
result = region.get(get, null);
assertEquals(0, result.size());
get = new Get(row).addColumn(fam, splitB);
result = region.get(get, null);
assertEquals(1, result.size());
// Assert that after a delete, I can put.
put = new Put(row);
put.add(fam, splitA, Bytes.toBytes("reference_A"));
region.put(put);
get = new Get(row);
result = region.get(get, null);
assertEquals(3, result.size());
// Now delete all... then test I can add stuff back
delete = new Delete(row);
region.delete(delete, null, false);
assertEquals(0, region.get(get, null).size());
region.put(new Put(row).add(fam, splitA, Bytes.toBytes("reference_A")));
result = region.get(get, null);
assertEquals(1, result.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testDeleteRowWithFutureTs() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] fam = Bytes.toBytes("info");
byte [][] families = {fam};
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
byte [] row = Bytes.toBytes("table_name");
// column names
byte [] serverinfo = Bytes.toBytes("serverinfo");
// add data in the far future
Put put = new Put(row);
put.add(fam, serverinfo, HConstants.LATEST_TIMESTAMP-5,Bytes.toBytes("value"));
region.put(put);
// now delete something in the present
Delete delete = new Delete(row);
region.delete(delete, null, true);
// make sure we still see our data
Get get = new Get(row).addColumn(fam, serverinfo);
Result result = region.get(get, null);
assertEquals(1, result.size());
// delete the future row
delete = new Delete(row,HConstants.LATEST_TIMESTAMP-3,null);
region.delete(delete, null, true);
// make sure it is gone
get = new Get(row).addColumn(fam, serverinfo);
result = region.get(get, null);
assertEquals(0, result.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* Tests that the special LATEST_TIMESTAMP option for puts gets
* replaced by the actual timestamp
*/
public void testPutWithLatestTS() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] fam = Bytes.toBytes("info");
byte [][] families = {fam};
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
byte [] row = Bytes.toBytes("row1");
// column names
byte [] qual = Bytes.toBytes("qual");
// add data with LATEST_TIMESTAMP, put without WAL
Put put = new Put(row);
put.add(fam, qual, HConstants.LATEST_TIMESTAMP, Bytes.toBytes("value"));
region.put(put, false);
// Make sure it shows up with an actual timestamp
Get get = new Get(row).addColumn(fam, qual);
Result result = region.get(get, null);
assertEquals(1, result.size());
KeyValue kv = result.raw()[0];
LOG.info("Got: " + kv);
assertTrue("LATEST_TIMESTAMP was not replaced with real timestamp",
kv.getTimestamp() != HConstants.LATEST_TIMESTAMP);
// Check same with WAL enabled (historically these took different
// code paths, so check both)
row = Bytes.toBytes("row2");
put = new Put(row);
put.add(fam, qual, HConstants.LATEST_TIMESTAMP, Bytes.toBytes("value"));
region.put(put, true);
// Make sure it shows up with an actual timestamp
get = new Get(row).addColumn(fam, qual);
result = region.get(get, null);
assertEquals(1, result.size());
kv = result.raw()[0];
LOG.info("Got: " + kv);
assertTrue("LATEST_TIMESTAMP was not replaced with real timestamp",
kv.getTimestamp() != HConstants.LATEST_TIMESTAMP);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* Tests that there is server-side filtering for invalid timestamp upper
* bound. Note that the timestamp lower bound is automatically handled for us
* by the TTL field.
*/
public void testPutWithTsSlop() throws IOException {
byte[] tableName = Bytes.toBytes("testtable");
byte[] fam = Bytes.toBytes("info");
byte[][] families = { fam };
String method = this.getName();
HBaseConfiguration conf = new HBaseConfiguration();
// add data with a timestamp that is too recent for range. Ensure assert
conf.setInt("hbase.hregion.keyvalue.timestamp.slop.millisecs", 1000);
this.region = initHRegion(tableName, method, conf, families);
boolean caughtExcep = false;
try {
try {
// no TS specified == use latest. should not error
region.put(new Put(row).add(fam, Bytes.toBytes("qual"), Bytes
.toBytes("value")), false);
// TS out of range. should error
region.put(new Put(row).add(fam, Bytes.toBytes("qual"),
System.currentTimeMillis() + 2000,
Bytes.toBytes("value")), false);
fail("Expected IOE for TS out of configured timerange");
} catch (FailedSanityCheckException ioe) {
LOG.debug("Received expected exception", ioe);
caughtExcep = true;
}
assertTrue("Should catch FailedSanityCheckException", caughtExcep);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_DeleteOneFamilyNotAnother() throws IOException {
byte [] tableName = Bytes.toBytes("test_table");
byte [] fam1 = Bytes.toBytes("columnA");
byte [] fam2 = Bytes.toBytes("columnB");
this.region = initHRegion(tableName, getName(), fam1, fam2);
try {
byte [] rowA = Bytes.toBytes("rowA");
byte [] rowB = Bytes.toBytes("rowB");
byte [] value = Bytes.toBytes("value");
Delete delete = new Delete(rowA);
delete.deleteFamily(fam1);
region.delete(delete, null, true);
// now create data.
Put put = new Put(rowA);
put.add(fam2, null, value);
region.put(put);
put = new Put(rowB);
put.add(fam1, null, value);
put.add(fam2, null, value);
region.put(put);
Scan scan = new Scan();
scan.addFamily(fam1).addFamily(fam2);
InternalScanner s = region.getScanner(scan);
List<KeyValue> results = new ArrayList<KeyValue>();
s.next(results);
assertTrue(Bytes.equals(rowA, results.get(0).getRow()));
results.clear();
s.next(results);
assertTrue(Bytes.equals(rowB, results.get(0).getRow()));
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testDeleteColumns_PostInsert() throws IOException,
InterruptedException {
Delete delete = new Delete(row);
delete.deleteColumns(fam1, qual1);
doTestDelete_AndPostInsert(delete);
}
public void testDeleteFamily_PostInsert() throws IOException, InterruptedException {
Delete delete = new Delete(row);
delete.deleteFamily(fam1);
doTestDelete_AndPostInsert(delete);
}
public void doTestDelete_AndPostInsert(Delete delete)
throws IOException, InterruptedException {
this.region = initHRegion(tableName, getName(), fam1);
try {
EnvironmentEdgeManagerTestHelper.injectEdge(new IncrementingEnvironmentEdge());
Put put = new Put(row);
put.add(fam1, qual1, value1);
region.put(put);
// now delete the value:
region.delete(delete, null, true);
// ok put data:
put = new Put(row);
put.add(fam1, qual1, value2);
region.put(put);
// ok get:
Get get = new Get(row);
get.addColumn(fam1, qual1);
Result r = region.get(get, null);
assertEquals(1, r.size());
assertByteEquals(value2, r.getValue(fam1, qual1));
// next:
Scan scan = new Scan(row);
scan.addColumn(fam1, qual1);
InternalScanner s = region.getScanner(scan);
List<KeyValue> results = new ArrayList<KeyValue>();
assertEquals(false, s.next(results));
assertEquals(1, results.size());
KeyValue kv = results.get(0);
assertByteEquals(value2, kv.getValue());
assertByteEquals(fam1, kv.getFamily());
assertByteEquals(qual1, kv.getQualifier());
assertByteEquals(row, kv.getRow());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testDelete_CheckTimestampUpdated()
throws IOException {
byte [] row1 = Bytes.toBytes("row1");
byte [] col1 = Bytes.toBytes("col1");
byte [] col2 = Bytes.toBytes("col2");
byte [] col3 = Bytes.toBytes("col3");
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Building checkerList
List<KeyValue> kvs = new ArrayList<KeyValue>();
kvs.add(new KeyValue(row1, fam1, col1, null));
kvs.add(new KeyValue(row1, fam1, col2, null));
kvs.add(new KeyValue(row1, fam1, col3, null));
Map<byte[], List<KeyValue>> deleteMap = new HashMap<byte[], List<KeyValue>>();
deleteMap.put(fam1, kvs);
region.delete(deleteMap, HConstants.DEFAULT_CLUSTER_ID, true);
// extract the key values out the memstore:
// This is kinda hacky, but better than nothing...
long now = System.currentTimeMillis();
KeyValue firstKv = ((HStore) region.getStore(fam1)).memstore.kvset.first();
assertTrue(firstKv.getTimestamp() <= now);
now = firstKv.getTimestamp();
for (KeyValue kv : ((HStore) region.getStore(fam1)).memstore.kvset) {
assertTrue(kv.getTimestamp() <= now);
now = kv.getTimestamp();
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Get tests
//////////////////////////////////////////////////////////////////////////////
public void testGet_FamilyChecker() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("False");
byte [] col1 = Bytes.toBytes("col1");
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
Get get = new Get(row1);
get.addColumn(fam2, col1);
//Test
try {
region.get(get, null);
} catch (DoNotRetryIOException e) {
assertFalse(false);
return;
}
assertFalse(true);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testGet_Basic() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] col1 = Bytes.toBytes("col1");
byte [] col2 = Bytes.toBytes("col2");
byte [] col3 = Bytes.toBytes("col3");
byte [] col4 = Bytes.toBytes("col4");
byte [] col5 = Bytes.toBytes("col5");
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Add to memstore
Put put = new Put(row1);
put.add(fam1, col1, null);
put.add(fam1, col2, null);
put.add(fam1, col3, null);
put.add(fam1, col4, null);
put.add(fam1, col5, null);
region.put(put);
Get get = new Get(row1);
get.addColumn(fam1, col2);
get.addColumn(fam1, col4);
//Expected result
KeyValue kv1 = new KeyValue(row1, fam1, col2);
KeyValue kv2 = new KeyValue(row1, fam1, col4);
KeyValue [] expected = {kv1, kv2};
//Test
Result res = region.get(get, null);
assertEquals(expected.length, res.size());
for(int i=0; i<res.size(); i++){
assertEquals(0,
Bytes.compareTo(expected[i].getRow(), res.raw()[i].getRow()));
assertEquals(0,
Bytes.compareTo(expected[i].getFamily(), res.raw()[i].getFamily()));
assertEquals(0,
Bytes.compareTo(
expected[i].getQualifier(), res.raw()[i].getQualifier()));
}
// Test using a filter on a Get
Get g = new Get(row1);
final int count = 2;
g.setFilter(new ColumnCountGetFilter(count));
res = region.get(g, null);
assertEquals(count, res.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testGet_Empty() throws IOException {
byte [] tableName = Bytes.toBytes("emptytable");
byte [] row = Bytes.toBytes("row");
byte [] fam = Bytes.toBytes("fam");
String method = this.getName();
this.region = initHRegion(tableName, method, fam);
try {
Get get = new Get(row);
get.addFamily(fam);
Result r = region.get(get, null);
assertTrue(r.isEmpty());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//Test that checked if there was anything special when reading from the ROOT
//table. To be able to use this test you need to comment the part in
//HTableDescriptor that checks for '-' and '.'. You also need to remove the
//s in the beginning of the name.
public void stestGet_Root() throws IOException {
//Setting up region
String method = this.getName();
this.region = initHRegion(HConstants.ROOT_TABLE_NAME, method, HConstants.CATALOG_FAMILY);
try {
//Add to memstore
Put put = new Put(HConstants.EMPTY_START_ROW);
put.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER, null);
region.put(put);
Get get = new Get(HConstants.EMPTY_START_ROW);
get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
//Expected result
KeyValue kv1 = new KeyValue(HConstants.EMPTY_START_ROW,
HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
KeyValue [] expected = {kv1};
//Test from memstore
Result res = region.get(get, null);
assertEquals(expected.length, res.size());
for(int i=0; i<res.size(); i++){
assertEquals(0,
Bytes.compareTo(expected[i].getRow(), res.raw()[i].getRow()));
assertEquals(0,
Bytes.compareTo(expected[i].getFamily(), res.raw()[i].getFamily()));
assertEquals(0,
Bytes.compareTo(
expected[i].getQualifier(), res.raw()[i].getQualifier()));
}
//flush
region.flushcache();
//test2
res = region.get(get, null);
assertEquals(expected.length, res.size());
for(int i=0; i<res.size(); i++){
assertEquals(0,
Bytes.compareTo(expected[i].getRow(), res.raw()[i].getRow()));
assertEquals(0,
Bytes.compareTo(expected[i].getFamily(), res.raw()[i].getFamily()));
assertEquals(0,
Bytes.compareTo(
expected[i].getQualifier(), res.raw()[i].getQualifier()));
}
//Scan
Scan scan = new Scan();
scan.addFamily(HConstants.CATALOG_FAMILY);
InternalScanner s = region.getScanner(scan);
List<KeyValue> result = new ArrayList<KeyValue>();
s.next(result);
assertEquals(expected.length, result.size());
for(int i=0; i<res.size(); i++){
assertEquals(0,
Bytes.compareTo(expected[i].getRow(), result.get(i).getRow()));
assertEquals(0,
Bytes.compareTo(expected[i].getFamily(), result.get(i).getFamily()));
assertEquals(0,
Bytes.compareTo(
expected[i].getQualifier(), result.get(i).getQualifier()));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Lock test
//////////////////////////////////////////////////////////////////////////////
public void testLocks() throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [][] families = {fam1, fam2, fam3};
Configuration hc = initSplit();
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, hc, families);
try {
final int threadCount = 10;
final int lockCount = 10;
List<Thread>threads = new ArrayList<Thread>(threadCount);
for (int i = 0; i < threadCount; i++) {
threads.add(new Thread(Integer.toString(i)) {
@Override
public void run() {
Integer [] lockids = new Integer[lockCount];
// Get locks.
for (int i = 0; i < lockCount; i++) {
try {
byte [] rowid = Bytes.toBytes(Integer.toString(i));
lockids[i] = region.obtainRowLock(rowid);
assertEquals(rowid, region.getRowFromLock(lockids[i]));
LOG.debug(getName() + " locked " + Bytes.toString(rowid));
} catch (IOException e) {
e.printStackTrace();
}
}
LOG.debug(getName() + " set " +
Integer.toString(lockCount) + " locks");
// Abort outstanding locks.
for (int i = lockCount - 1; i >= 0; i--) {
region.releaseRowLock(lockids[i]);
LOG.debug(getName() + " unlocked " + i);
}
LOG.debug(getName() + " released " +
Integer.toString(lockCount) + " locks");
}
});
}
// Startup all our threads.
for (Thread t : threads) {
t.start();
}
// Now wait around till all are done.
for (Thread t: threads) {
while (t.isAlive()) {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
// Go around again.
}
}
}
LOG.info("locks completed.");
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Merge test
//////////////////////////////////////////////////////////////////////////////
public void testMerge() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [][] families = {fam1, fam2, fam3};
Configuration hc = initSplit();
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, hc, families);
try {
LOG.info("" + addContent(region, fam3));
region.flushcache();
region.compactStores();
byte [] splitRow = region.checkSplit();
assertNotNull(splitRow);
LOG.info("SplitRow: " + Bytes.toString(splitRow));
HRegion [] subregions = splitRegion(region, splitRow);
try {
// Need to open the regions.
for (int i = 0; i < subregions.length; i++) {
openClosedRegion(subregions[i]);
subregions[i].compactStores();
}
Path oldRegionPath = region.getRegionDir();
Path oldRegion1 = subregions[0].getRegionDir();
Path oldRegion2 = subregions[1].getRegionDir();
long startTime = System.currentTimeMillis();
region = HRegion.mergeAdjacent(subregions[0], subregions[1]);
LOG.info("Merge regions elapsed time: " +
((System.currentTimeMillis() - startTime) / 1000.0));
fs.delete(oldRegion1, true);
fs.delete(oldRegion2, true);
fs.delete(oldRegionPath, true);
LOG.info("splitAndMerge completed.");
} finally {
for (int i = 0; i < subregions.length; i++) {
try {
HRegion.closeHRegion(subregions[i]);
} catch (IOException e) {
// Ignore.
}
}
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* @param parent Region to split.
* @param midkey Key to split around.
* @return The Regions we created.
* @throws IOException
*/
HRegion [] splitRegion(final HRegion parent, final byte [] midkey)
throws IOException {
PairOfSameType<HRegion> result = null;
SplitTransaction st = new SplitTransaction(parent, midkey);
// If prepare does not return true, for some reason -- logged inside in
// the prepare call -- we are not ready to split just now. Just return.
if (!st.prepare()) return null;
try {
result = st.execute(null, null);
} catch (IOException ioe) {
try {
LOG.info("Running rollback of failed split of " +
parent.getRegionNameAsString() + "; " + ioe.getMessage());
st.rollback(null, null);
LOG.info("Successful rollback of failed split of " +
parent.getRegionNameAsString());
return null;
} catch (RuntimeException e) {
// If failed rollback, kill this server to avoid having a hole in table.
LOG.info("Failed rollback of failed split of " +
parent.getRegionNameAsString() + " -- aborting server", e);
}
}
return new HRegion [] {result.getFirst(), result.getSecond()};
}
//////////////////////////////////////////////////////////////////////////////
// Scanner tests
//////////////////////////////////////////////////////////////////////////////
public void testGetScanner_WithOkFamilies() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [][] families = {fam1, fam2};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
Scan scan = new Scan();
scan.addFamily(fam1);
scan.addFamily(fam2);
try {
region.getScanner(scan);
} catch (Exception e) {
assertTrue("Families could not be found in Region", false);
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testGetScanner_WithNotOkFamilies() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [][] families = {fam1};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
Scan scan = new Scan();
scan.addFamily(fam2);
boolean ok = false;
try {
region.getScanner(scan);
} catch (Exception e) {
ok = true;
}
assertTrue("Families could not be found in Region", ok);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testGetScanner_WithNoFamilies() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [] fam3 = Bytes.toBytes("fam3");
byte [] fam4 = Bytes.toBytes("fam4");
byte [][] families = {fam1, fam2, fam3, fam4};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
Put put = new Put(row1);
put.add(fam1, null, null);
put.add(fam2, null, null);
put.add(fam3, null, null);
put.add(fam4, null, null);
region.put(put);
Scan scan = null;
HRegion.RegionScannerImpl is = null;
//Testing to see how many scanners that is produced by getScanner, starting
//with known number, 2 - current = 1
scan = new Scan();
scan.addFamily(fam2);
scan.addFamily(fam4);
is = (RegionScannerImpl) region.getScanner(scan);
MultiVersionConsistencyControl.resetThreadReadPoint(region.getMVCC());
assertEquals(1, ((RegionScannerImpl)is).storeHeap.getHeap().size());
scan = new Scan();
is = (RegionScannerImpl) region.getScanner(scan);
MultiVersionConsistencyControl.resetThreadReadPoint(region.getMVCC());
assertEquals(families.length -1,
((RegionScannerImpl)is).storeHeap.getHeap().size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* This method tests https://issues.apache.org/jira/browse/HBASE-2516.
* @throws IOException
*/
public void testGetScanner_WithRegionClosed() throws IOException {
byte[] tableName = Bytes.toBytes("testtable");
byte[] fam1 = Bytes.toBytes("fam1");
byte[] fam2 = Bytes.toBytes("fam2");
byte[][] families = {fam1, fam2};
//Setting up region
String method = this.getName();
try {
this.region = initHRegion(tableName, method, families);
} catch (IOException e) {
e.printStackTrace();
fail("Got IOException during initHRegion, " + e.getMessage());
}
try {
region.closed.set(true);
try {
region.getScanner(null);
fail("Expected to get an exception during getScanner on a region that is closed");
} catch (org.apache.hadoop.hbase.NotServingRegionException e) {
//this is the correct exception that is expected
} catch (IOException e) {
fail("Got wrong type of exception - should be a NotServingRegionException, but was an IOException: "
+ e.getMessage());
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testRegionScanner_Next() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] row2 = Bytes.toBytes("row2");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] fam2 = Bytes.toBytes("fam2");
byte [] fam3 = Bytes.toBytes("fam3");
byte [] fam4 = Bytes.toBytes("fam4");
byte [][] families = {fam1, fam2, fam3, fam4};
long ts = System.currentTimeMillis();
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
Put put = null;
put = new Put(row1);
put.add(fam1, null, ts, null);
put.add(fam2, null, ts, null);
put.add(fam3, null, ts, null);
put.add(fam4, null, ts, null);
region.put(put);
put = new Put(row2);
put.add(fam1, null, ts, null);
put.add(fam2, null, ts, null);
put.add(fam3, null, ts, null);
put.add(fam4, null, ts, null);
region.put(put);
Scan scan = new Scan();
scan.addFamily(fam2);
scan.addFamily(fam4);
InternalScanner is = region.getScanner(scan);
List<KeyValue> res = null;
//Result 1
List<KeyValue> expected1 = new ArrayList<KeyValue>();
expected1.add(new KeyValue(row1, fam2, null, ts, KeyValue.Type.Put, null));
expected1.add(new KeyValue(row1, fam4, null, ts, KeyValue.Type.Put, null));
res = new ArrayList<KeyValue>();
is.next(res);
for(int i=0; i<res.size(); i++) {
assertEquals(expected1.get(i), res.get(i));
}
//Result 2
List<KeyValue> expected2 = new ArrayList<KeyValue>();
expected2.add(new KeyValue(row2, fam2, null, ts, KeyValue.Type.Put, null));
expected2.add(new KeyValue(row2, fam4, null, ts, KeyValue.Type.Put, null));
res = new ArrayList<KeyValue>();
is.next(res);
for(int i=0; i<res.size(); i++) {
assertEquals(expected2.get(i), res.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_ExplicitColumns_FromMemStore_EnforceVersions()
throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
byte [] fam1 = Bytes.toBytes("fam1");
byte [][] families = {fam1};
long ts1 = System.currentTimeMillis();
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
Put put = null;
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
put = new Put(row1);
put.add(kv13);
put.add(kv12);
put.add(kv11);
put.add(kv23);
put.add(kv22);
put.add(kv21);
region.put(put);
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv13);
expected.add(kv12);
Scan scan = new Scan(row1);
scan.addColumn(fam1, qf1);
scan.setMaxVersions(MAX_VERSIONS);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_ExplicitColumns_FromFilesOnly_EnforceVersions()
throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
byte [] fam1 = Bytes.toBytes("fam1");
byte [][] families = {fam1};
long ts1 = 1; //System.currentTimeMillis();
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
Put put = null;
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
put = new Put(row1);
put.add(kv13);
put.add(kv12);
put.add(kv11);
put.add(kv23);
put.add(kv22);
put.add(kv21);
region.put(put);
region.flushcache();
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv13);
expected.add(kv12);
expected.add(kv23);
expected.add(kv22);
Scan scan = new Scan(row1);
scan.addColumn(fam1, qf1);
scan.addColumn(fam1, qf2);
scan.setMaxVersions(MAX_VERSIONS);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_ExplicitColumns_FromMemStoreAndFiles_EnforceVersions()
throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [][] families = {fam1};
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
long ts1 = 1;
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
long ts4 = ts1 + 3;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
KeyValue kv14 = new KeyValue(row1, fam1, qf1, ts4, KeyValue.Type.Put, null);
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv24 = new KeyValue(row1, fam1, qf2, ts4, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
Put put = null;
put = new Put(row1);
put.add(kv14);
put.add(kv24);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv23);
put.add(kv13);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv22);
put.add(kv12);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv21);
put.add(kv11);
region.put(put);
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv14);
expected.add(kv13);
expected.add(kv12);
expected.add(kv24);
expected.add(kv23);
expected.add(kv22);
Scan scan = new Scan(row1);
scan.addColumn(fam1, qf1);
scan.addColumn(fam1, qf2);
int versions = 3;
scan.setMaxVersions(versions);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_Wildcard_FromMemStore_EnforceVersions()
throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
byte [] fam1 = Bytes.toBytes("fam1");
byte [][] families = {fam1};
long ts1 = System.currentTimeMillis();
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, families);
try {
//Putting data in Region
Put put = null;
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
put = new Put(row1);
put.add(kv13);
put.add(kv12);
put.add(kv11);
put.add(kv23);
put.add(kv22);
put.add(kv21);
region.put(put);
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv13);
expected.add(kv12);
expected.add(kv23);
expected.add(kv22);
Scan scan = new Scan(row1);
scan.addFamily(fam1);
scan.setMaxVersions(MAX_VERSIONS);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_Wildcard_FromFilesOnly_EnforceVersions()
throws IOException{
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("qualifier2");
byte [] fam1 = Bytes.toBytes("fam1");
long ts1 = 1; //System.currentTimeMillis();
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Putting data in Region
Put put = null;
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
put = new Put(row1);
put.add(kv13);
put.add(kv12);
put.add(kv11);
put.add(kv23);
put.add(kv22);
put.add(kv21);
region.put(put);
region.flushcache();
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv13);
expected.add(kv12);
expected.add(kv23);
expected.add(kv22);
Scan scan = new Scan(row1);
scan.addFamily(fam1);
scan.setMaxVersions(MAX_VERSIONS);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testScanner_StopRow1542() throws IOException {
byte [] tableName = Bytes.toBytes("test_table");
byte [] family = Bytes.toBytes("testFamily");
this.region = initHRegion(tableName, getName(), family);
try {
byte [] row1 = Bytes.toBytes("row111");
byte [] row2 = Bytes.toBytes("row222");
byte [] row3 = Bytes.toBytes("row333");
byte [] row4 = Bytes.toBytes("row444");
byte [] row5 = Bytes.toBytes("row555");
byte [] col1 = Bytes.toBytes("Pub111");
byte [] col2 = Bytes.toBytes("Pub222");
Put put = new Put(row1);
put.add(family, col1, Bytes.toBytes(10L));
region.put(put);
put = new Put(row2);
put.add(family, col1, Bytes.toBytes(15L));
region.put(put);
put = new Put(row3);
put.add(family, col2, Bytes.toBytes(20L));
region.put(put);
put = new Put(row4);
put.add(family, col2, Bytes.toBytes(30L));
region.put(put);
put = new Put(row5);
put.add(family, col1, Bytes.toBytes(40L));
region.put(put);
Scan scan = new Scan(row3, row4);
scan.setMaxVersions();
scan.addColumn(family, col1);
InternalScanner s = region.getScanner(scan);
List<KeyValue> results = new ArrayList<KeyValue>();
assertEquals(false, s.next(results));
assertEquals(0, results.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
private void assertICV(byte [] row,
byte [] familiy,
byte[] qualifier,
long amount) throws IOException {
// run a get and see?
Get get = new Get(row);
get.addColumn(familiy, qualifier);
Result result = region.get(get, null);
assertEquals(1, result.size());
KeyValue kv = result.raw()[0];
long r = Bytes.toLong(kv.getValue());
assertEquals(amount, r);
}
private void assertICV(byte [] row,
byte [] familiy,
byte[] qualifier,
int amount) throws IOException {
// run a get and see?
Get get = new Get(row);
get.addColumn(familiy, qualifier);
Result result = region.get(get, null);
assertEquals(1, result.size());
KeyValue kv = result.raw()[0];
int r = Bytes.toInt(kv.getValue());
assertEquals(amount, r);
}
public void testScanner_Wildcard_FromMemStoreAndFiles_EnforceVersions()
throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qf1 = Bytes.toBytes("qualifier1");
byte [] qf2 = Bytes.toBytes("quateslifier2");
long ts1 = 1;
long ts2 = ts1 + 1;
long ts3 = ts1 + 2;
long ts4 = ts1 + 3;
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, fam1);
try {
//Putting data in Region
KeyValue kv14 = new KeyValue(row1, fam1, qf1, ts4, KeyValue.Type.Put, null);
KeyValue kv13 = new KeyValue(row1, fam1, qf1, ts3, KeyValue.Type.Put, null);
KeyValue kv12 = new KeyValue(row1, fam1, qf1, ts2, KeyValue.Type.Put, null);
KeyValue kv11 = new KeyValue(row1, fam1, qf1, ts1, KeyValue.Type.Put, null);
KeyValue kv24 = new KeyValue(row1, fam1, qf2, ts4, KeyValue.Type.Put, null);
KeyValue kv23 = new KeyValue(row1, fam1, qf2, ts3, KeyValue.Type.Put, null);
KeyValue kv22 = new KeyValue(row1, fam1, qf2, ts2, KeyValue.Type.Put, null);
KeyValue kv21 = new KeyValue(row1, fam1, qf2, ts1, KeyValue.Type.Put, null);
Put put = null;
put = new Put(row1);
put.add(kv14);
put.add(kv24);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv23);
put.add(kv13);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv22);
put.add(kv12);
region.put(put);
region.flushcache();
put = new Put(row1);
put.add(kv21);
put.add(kv11);
region.put(put);
//Expected
List<KeyValue> expected = new ArrayList<KeyValue>();
expected.add(kv14);
expected.add(kv13);
expected.add(kv12);
expected.add(kv24);
expected.add(kv23);
expected.add(kv22);
Scan scan = new Scan(row1);
int versions = 3;
scan.setMaxVersions(versions);
List<KeyValue> actual = new ArrayList<KeyValue>();
InternalScanner scanner = region.getScanner(scan);
boolean hasNext = scanner.next(actual);
assertEquals(false, hasNext);
//Verify result
for(int i=0; i<expected.size(); i++) {
assertEquals(expected.get(i), actual.get(i));
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Split test
//////////////////////////////////////////////////////////////////////////////
/**
* Splits twice and verifies getting from each of the split regions.
* @throws Exception
*/
public void testBasicSplit() throws Exception {
byte [] tableName = Bytes.toBytes("testtable");
byte [][] families = {fam1, fam2, fam3};
Configuration hc = initSplit();
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, hc, families);
try {
LOG.info("" + addContent(region, fam3));
region.flushcache();
region.compactStores();
byte [] splitRow = region.checkSplit();
assertNotNull(splitRow);
LOG.info("SplitRow: " + Bytes.toString(splitRow));
HRegion [] regions = splitRegion(region, splitRow);
try {
// Need to open the regions.
// TODO: Add an 'open' to HRegion... don't do open by constructing
// instance.
for (int i = 0; i < regions.length; i++) {
regions[i] = openClosedRegion(regions[i]);
}
// Assert can get rows out of new regions. Should be able to get first
// row from first region and the midkey from second region.
assertGet(regions[0], fam3, Bytes.toBytes(START_KEY));
assertGet(regions[1], fam3, splitRow);
// Test I can get scanner and that it starts at right place.
assertScan(regions[0], fam3,
Bytes.toBytes(START_KEY));
assertScan(regions[1], fam3, splitRow);
// Now prove can't split regions that have references.
for (int i = 0; i < regions.length; i++) {
// Add so much data to this region, we create a store file that is >
// than one of our unsplitable references. it will.
for (int j = 0; j < 2; j++) {
addContent(regions[i], fam3);
}
addContent(regions[i], fam2);
addContent(regions[i], fam1);
regions[i].flushcache();
}
byte [][] midkeys = new byte [regions.length][];
// To make regions splitable force compaction.
for (int i = 0; i < regions.length; i++) {
regions[i].compactStores();
midkeys[i] = regions[i].checkSplit();
}
TreeMap<String, HRegion> sortedMap = new TreeMap<String, HRegion>();
// Split these two daughter regions so then I'll have 4 regions. Will
// split because added data above.
for (int i = 0; i < regions.length; i++) {
HRegion[] rs = null;
if (midkeys[i] != null) {
rs = splitRegion(regions[i], midkeys[i]);
for (int j = 0; j < rs.length; j++) {
sortedMap.put(Bytes.toString(rs[j].getRegionName()),
openClosedRegion(rs[j]));
}
}
}
LOG.info("Made 4 regions");
// The splits should have been even. Test I can get some arbitrary row
// out of each.
int interval = (LAST_CHAR - FIRST_CHAR) / 3;
byte[] b = Bytes.toBytes(START_KEY);
for (HRegion r : sortedMap.values()) {
assertGet(r, fam3, b);
b[0] += interval;
}
} finally {
for (int i = 0; i < regions.length; i++) {
try {
regions[i].close();
} catch (IOException e) {
// Ignore.
}
}
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testSplitRegion() throws IOException {
byte [] tableName = Bytes.toBytes("testtable");
byte [] qualifier = Bytes.toBytes("qualifier");
Configuration hc = initSplit();
int numRows = 10;
byte [][] families = {fam1, fam3};
//Setting up region
String method = this.getName();
this.region = initHRegion(tableName, method, hc, families);
//Put data in region
int startRow = 100;
putData(startRow, numRows, qualifier, families);
int splitRow = startRow + numRows;
putData(splitRow, numRows, qualifier, families);
region.flushcache();
HRegion [] regions = null;
try {
regions = splitRegion(region, Bytes.toBytes("" + splitRow));
//Opening the regions returned.
for (int i = 0; i < regions.length; i++) {
regions[i] = openClosedRegion(regions[i]);
}
//Verifying that the region has been split
assertEquals(2, regions.length);
//Verifying that all data is still there and that data is in the right
//place
verifyData(regions[0], startRow, numRows, qualifier, families);
verifyData(regions[1], splitRow, numRows, qualifier, families);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* Flushes the cache in a thread while scanning. The tests verify that the
* scan is coherent - e.g. the returned results are always of the same or
* later update as the previous results.
* @throws IOException scan / compact
* @throws InterruptedException thread join
*/
public void testFlushCacheWhileScanning() throws IOException, InterruptedException {
byte[] tableName = Bytes.toBytes("testFlushCacheWhileScanning");
byte[] family = Bytes.toBytes("family");
int numRows = 1000;
int flushAndScanInterval = 10;
int compactInterval = 10 * flushAndScanInterval;
String method = "testFlushCacheWhileScanning";
this.region = initHRegion(tableName,method, family);
try {
FlushThread flushThread = new FlushThread();
flushThread.start();
Scan scan = new Scan();
scan.addFamily(family);
scan.setFilter(new SingleColumnValueFilter(family, qual1,
CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes(5L))));
int expectedCount = 0;
List<KeyValue> res = new ArrayList<KeyValue>();
boolean toggle=true;
for (long i = 0; i < numRows; i++) {
Put put = new Put(Bytes.toBytes(i));
put.setWriteToWAL(false);
put.add(family, qual1, Bytes.toBytes(i % 10));
region.put(put);
if (i != 0 && i % compactInterval == 0) {
//System.out.println("iteration = " + i);
region.compactStores(true);
}
if (i % 10 == 5L) {
expectedCount++;
}
if (i != 0 && i % flushAndScanInterval == 0) {
res.clear();
InternalScanner scanner = region.getScanner(scan);
if (toggle) {
flushThread.flush();
}
while (scanner.next(res)) ;
if (!toggle) {
flushThread.flush();
}
assertEquals("i=" + i, expectedCount, res.size());
toggle = !toggle;
}
}
flushThread.done();
flushThread.join();
flushThread.checkNoError();
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
protected class FlushThread extends Thread {
private volatile boolean done;
private Throwable error = null;
public void done() {
done = true;
synchronized (this) {
interrupt();
}
}
public void checkNoError() {
if (error != null) {
assertNull(error);
}
}
@Override
public void run() {
done = false;
while (!done) {
synchronized (this) {
try {
wait();
} catch (InterruptedException ignored) {
if (done) {
break;
}
}
}
try {
region.flushcache();
} catch (IOException e) {
if (!done) {
LOG.error("Error while flusing cache", e);
error = e;
}
break;
}
}
}
public void flush() {
synchronized (this) {
notify();
}
}
}
/**
* Writes very wide records and scans for the latest every time..
* Flushes and compacts the region every now and then to keep things
* realistic.
*
* @throws IOException by flush / scan / compaction
* @throws InterruptedException when joining threads
*/
public void testWritesWhileScanning()
throws IOException, InterruptedException {
byte[] tableName = Bytes.toBytes("testWritesWhileScanning");
int testCount = 100;
int numRows = 1;
int numFamilies = 10;
int numQualifiers = 100;
int flushInterval = 7;
int compactInterval = 5 * flushInterval;
byte[][] families = new byte[numFamilies][];
for (int i = 0; i < numFamilies; i++) {
families[i] = Bytes.toBytes("family" + i);
}
byte[][] qualifiers = new byte[numQualifiers][];
for (int i = 0; i < numQualifiers; i++) {
qualifiers[i] = Bytes.toBytes("qual" + i);
}
String method = "testWritesWhileScanning";
this.region = initHRegion(tableName, method, families);
try {
PutThread putThread = new PutThread(numRows, families, qualifiers);
putThread.start();
putThread.waitForFirstPut();
FlushThread flushThread = new FlushThread();
flushThread.start();
Scan scan = new Scan(Bytes.toBytes("row0"), Bytes.toBytes("row1"));
// scan.setFilter(new RowFilter(CompareFilter.CompareOp.EQUAL,
// new BinaryComparator(Bytes.toBytes("row0"))));
int expectedCount = numFamilies * numQualifiers;
List<KeyValue> res = new ArrayList<KeyValue>();
long prevTimestamp = 0L;
for (int i = 0; i < testCount; i++) {
if (i != 0 && i % compactInterval == 0) {
region.compactStores(true);
}
if (i != 0 && i % flushInterval == 0) {
//System.out.println("flush scan iteration = " + i);
flushThread.flush();
}
boolean previousEmpty = res.isEmpty();
res.clear();
InternalScanner scanner = region.getScanner(scan);
while (scanner.next(res)) ;
if (!res.isEmpty() || !previousEmpty || i > compactInterval) {
assertEquals("i=" + i, expectedCount, res.size());
long timestamp = res.get(0).getTimestamp();
assertTrue("Timestamps were broke: " + timestamp + " prev: " + prevTimestamp,
timestamp >= prevTimestamp);
prevTimestamp = timestamp;
}
}
putThread.done();
region.flushcache();
putThread.join();
putThread.checkNoError();
flushThread.done();
flushThread.join();
flushThread.checkNoError();
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
protected class PutThread extends Thread {
private volatile boolean done;
private volatile int numPutsFinished = 0;
private Throwable error = null;
private int numRows;
private byte[][] families;
private byte[][] qualifiers;
private PutThread(int numRows, byte[][] families,
byte[][] qualifiers) {
this.numRows = numRows;
this.families = families;
this.qualifiers = qualifiers;
}
/**
* Block until this thread has put at least one row.
*/
public void waitForFirstPut() throws InterruptedException {
// wait until put thread actually puts some data
while (numPutsFinished == 0) {
checkNoError();
Thread.sleep(50);
}
}
public void done() {
done = true;
synchronized (this) {
interrupt();
}
}
public void checkNoError() {
if (error != null) {
assertNull(error);
}
}
@Override
public void run() {
done = false;
while (!done) {
try {
for (int r = 0; r < numRows; r++) {
byte[] row = Bytes.toBytes("row" + r);
Put put = new Put(row);
put.setWriteToWAL(false);
byte[] value = Bytes.toBytes(String.valueOf(numPutsFinished));
for (byte[] family : families) {
for (byte[] qualifier : qualifiers) {
put.add(family, qualifier, (long) numPutsFinished, value);
}
}
// System.out.println("Putting of kvsetsize=" + put.size());
region.put(put);
numPutsFinished++;
if (numPutsFinished > 0 && numPutsFinished % 47 == 0) {
System.out.println("put iteration = " + numPutsFinished);
Delete delete = new Delete(row, (long)numPutsFinished-30, null);
region.delete(delete, null, true);
}
numPutsFinished++;
}
} catch (IOException e) {
LOG.error("error while putting records", e);
error = e;
break;
}
}
}
}
/**
* Writes very wide records and gets the latest row every time..
* Flushes and compacts the region aggressivly to catch issues.
*
* @throws IOException by flush / scan / compaction
* @throws InterruptedException when joining threads
*/
public void testWritesWhileGetting()
throws Exception {
byte[] tableName = Bytes.toBytes("testWritesWhileGetting");
int testCount = 100;
int numRows = 1;
int numFamilies = 10;
int numQualifiers = 100;
int compactInterval = 100;
byte[][] families = new byte[numFamilies][];
for (int i = 0; i < numFamilies; i++) {
families[i] = Bytes.toBytes("family" + i);
}
byte[][] qualifiers = new byte[numQualifiers][];
for (int i = 0; i < numQualifiers; i++) {
qualifiers[i] = Bytes.toBytes("qual" + i);
}
String method = "testWritesWhileGetting";
Configuration conf = HBaseConfiguration.create();
// This test flushes constantly and can cause many files to be created, possibly
// extending over the ulimit. Make sure compactions are aggressive in reducing
// the number of HFiles created.
conf.setInt("hbase.hstore.compaction.min", 1);
conf.setInt("hbase.hstore.compaction.max", 1000);
this.region = initHRegion(tableName, method, conf, families);
PutThread putThread = null;
MultithreadedTestUtil.TestContext ctx =
new MultithreadedTestUtil.TestContext(HBaseConfiguration.create());
try {
putThread = new PutThread(numRows, families, qualifiers);
putThread.start();
putThread.waitForFirstPut();
// Add a thread that flushes as fast as possible
ctx.addThread(new RepeatingTestThread(ctx) {
private int flushesSinceCompact = 0;
private final int maxFlushesSinceCompact = 20;
public void doAnAction() throws Exception {
if (region.flushcache()) {
++flushesSinceCompact;
}
// Compact regularly to avoid creating too many files and exceeding the ulimit.
if (flushesSinceCompact == maxFlushesSinceCompact) {
region.compactStores(false);
flushesSinceCompact = 0;
}
}
});
ctx.startThreads();
Get get = new Get(Bytes.toBytes("row0"));
Result result = null;
int expectedCount = numFamilies * numQualifiers;
long prevTimestamp = 0L;
for (int i = 0; i < testCount; i++) {
boolean previousEmpty = result == null || result.isEmpty();
result = region.get(get, null);
if (!result.isEmpty() || !previousEmpty || i > compactInterval) {
assertEquals("i=" + i, expectedCount, result.size());
// TODO this was removed, now what dangit?!
// search looking for the qualifier in question?
long timestamp = 0;
for (KeyValue kv : result.raw()) {
if (Bytes.equals(kv.getFamily(), families[0])
&& Bytes.equals(kv.getQualifier(), qualifiers[0])) {
timestamp = kv.getTimestamp();
}
}
assertTrue(timestamp >= prevTimestamp);
prevTimestamp = timestamp;
KeyValue previousKV = null;
for (KeyValue kv : result.raw()) {
byte[] thisValue = kv.getValue();
if (previousKV != null) {
if (Bytes.compareTo(previousKV.getValue(), thisValue) != 0) {
LOG.warn("These two KV should have the same value." +
" Previous KV:" +
previousKV + "(memStoreTS:" + previousKV.getMemstoreTS() + ")" +
", New KV: " +
kv + "(memStoreTS:" + kv.getMemstoreTS() + ")"
);
assertEquals(0, Bytes.compareTo(previousKV.getValue(), thisValue));
}
}
previousKV = kv;
}
}
}
} finally {
if (putThread != null) putThread.done();
region.flushcache();
if (putThread != null) {
putThread.join();
putThread.checkNoError();
}
ctx.stop();
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testHolesInMeta() throws Exception {
String method = "testHolesInMeta";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");
this.region = initHRegion(tableName, Bytes.toBytes("x"), Bytes.toBytes("z"), method,
HBaseConfiguration.create(), family);
try {
byte[] rowNotServed = Bytes.toBytes("a");
Get g = new Get(rowNotServed);
try {
region.get(g, null);
fail();
} catch (WrongRegionException x) {
// OK
}
byte[] row = Bytes.toBytes("y");
g = new Get(row);
region.get(g, null);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testIndexesScanWithOneDeletedRow() throws IOException {
byte[] tableName = Bytes.toBytes("testIndexesScanWithOneDeletedRow");
byte[] family = Bytes.toBytes("family");
//Setting up region
String method = "testIndexesScanWithOneDeletedRow";
this.region = initHRegion(tableName, method, HBaseConfiguration.create(), family);
try {
Put put = new Put(Bytes.toBytes(1L));
put.add(family, qual1, 1L, Bytes.toBytes(1L));
region.put(put);
region.flushcache();
Delete delete = new Delete(Bytes.toBytes(1L), 1L, null);
//delete.deleteColumn(family, qual1);
region.delete(delete, null, true);
put = new Put(Bytes.toBytes(2L));
put.add(family, qual1, 2L, Bytes.toBytes(2L));
region.put(put);
Scan idxScan = new Scan();
idxScan.addFamily(family);
idxScan.setFilter(new FilterList(FilterList.Operator.MUST_PASS_ALL,
Arrays.<Filter>asList(new SingleColumnValueFilter(family, qual1,
CompareOp.GREATER_OR_EQUAL,
new BinaryComparator(Bytes.toBytes(0L))),
new SingleColumnValueFilter(family, qual1, CompareOp.LESS_OR_EQUAL,
new BinaryComparator(Bytes.toBytes(3L)))
)));
InternalScanner scanner = region.getScanner(idxScan);
List<KeyValue> res = new ArrayList<KeyValue>();
//long start = System.nanoTime();
while (scanner.next(res)) ;
//long end = System.nanoTime();
//System.out.println("memStoreEmpty=" + memStoreEmpty + ", time=" + (end - start)/1000000D);
assertEquals(1L, res.size());
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
//////////////////////////////////////////////////////////////////////////////
// Bloom filter test
//////////////////////////////////////////////////////////////////////////////
public void testBloomFilterSize() throws IOException {
byte [] tableName = Bytes.toBytes("testBloomFilterSize");
byte [] row1 = Bytes.toBytes("row1");
byte [] fam1 = Bytes.toBytes("fam1");
byte [] qf1 = Bytes.toBytes("col");
byte [] val1 = Bytes.toBytes("value1");
// Create Table
HColumnDescriptor hcd = new HColumnDescriptor(fam1)
.setMaxVersions(Integer.MAX_VALUE)
.setBloomFilterType(BloomType.ROWCOL);
HTableDescriptor htd = new HTableDescriptor(tableName);
htd.addFamily(hcd);
HRegionInfo info = new HRegionInfo(htd.getName(), null, null, false);
Path path = new Path(DIR + "testBloomFilterSize");
this.region = HRegion.createHRegion(info, path, conf, htd);
try {
int num_unique_rows = 10;
int duplicate_multiplier =2;
int num_storefiles = 4;
int version = 0;
for (int f =0 ; f < num_storefiles; f++) {
for (int i = 0; i < duplicate_multiplier; i ++) {
for (int j = 0; j < num_unique_rows; j++) {
Put put = new Put(Bytes.toBytes("row" + j));
put.setWriteToWAL(false);
put.add(fam1, qf1, version++, val1);
region.put(put);
}
}
region.flushcache();
}
//before compaction
HStore store = (HStore) region.getStore(fam1);
List<StoreFile> storeFiles = store.getStorefiles();
for (StoreFile storefile : storeFiles) {
StoreFile.Reader reader = storefile.getReader();
reader.loadFileInfo();
reader.loadBloomfilter();
assertEquals(num_unique_rows*duplicate_multiplier, reader.getEntries());
assertEquals(num_unique_rows, reader.getFilterEntries());
}
region.compactStores(true);
//after compaction
storeFiles = store.getStorefiles();
for (StoreFile storefile : storeFiles) {
StoreFile.Reader reader = storefile.getReader();
reader.loadFileInfo();
reader.loadBloomfilter();
assertEquals(num_unique_rows*duplicate_multiplier*num_storefiles,
reader.getEntries());
assertEquals(num_unique_rows, reader.getFilterEntries());
}
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
public void testAllColumnsWithBloomFilter() throws IOException {
byte [] TABLE = Bytes.toBytes("testAllColumnsWithBloomFilter");
byte [] FAMILY = Bytes.toBytes("family");
//Create table
HColumnDescriptor hcd = new HColumnDescriptor(FAMILY)
.setMaxVersions(Integer.MAX_VALUE)
.setBloomFilterType(BloomType.ROWCOL);
HTableDescriptor htd = new HTableDescriptor(TABLE);
htd.addFamily(hcd);
HRegionInfo info = new HRegionInfo(htd.getName(), null, null, false);
Path path = new Path(DIR + "testAllColumnsWithBloomFilter");
this.region = HRegion.createHRegion(info, path, conf, htd);
try {
// For row:0, col:0: insert versions 1 through 5.
byte row[] = Bytes.toBytes("row:" + 0);
byte column[] = Bytes.toBytes("column:" + 0);
Put put = new Put(row);
put.setWriteToWAL(false);
for (long idx = 1; idx <= 4; idx++) {
put.add(FAMILY, column, idx, Bytes.toBytes("value-version-" + idx));
}
region.put(put);
//Flush
region.flushcache();
//Get rows
Get get = new Get(row);
get.setMaxVersions();
KeyValue[] kvs = region.get(get, null).raw();
//Check if rows are correct
assertEquals(4, kvs.length);
checkOneCell(kvs[0], FAMILY, 0, 0, 4);
checkOneCell(kvs[1], FAMILY, 0, 0, 3);
checkOneCell(kvs[2], FAMILY, 0, 0, 2);
checkOneCell(kvs[3], FAMILY, 0, 0, 1);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
/**
* Testcase to cover bug-fix for HBASE-2823
* Ensures correct delete when issuing delete row
* on columns with bloom filter set to row+col (BloomType.ROWCOL)
*/
public void testDeleteRowWithBloomFilter() throws IOException {
byte [] tableName = Bytes.toBytes("testDeleteRowWithBloomFilter");
byte [] familyName = Bytes.toBytes("familyName");
// Create Table
HColumnDescriptor hcd = new HColumnDescriptor(familyName)
.setMaxVersions(Integer.MAX_VALUE)
.setBloomFilterType(BloomType.ROWCOL);
HTableDescriptor htd = new HTableDescriptor(tableName);
htd.addFamily(hcd);
HRegionInfo info = new HRegionInfo(htd.getName(), null, null, false);
Path path = new Path(DIR + "TestDeleteRowWithBloomFilter");
this.region = HRegion.createHRegion(info, path, conf, htd);
try {
// Insert some data
byte row[] = Bytes.toBytes("row1");
byte col[] = Bytes.toBytes("col1");
Put put = new Put(row);
put.add(familyName, col, 1, Bytes.toBytes("SomeRandomValue"));
region.put(put);
region.flushcache();
Delete del = new Delete(row);
region.delete(del, null, true);
region.flushcache();
// Get remaining rows (should have none)
Get get = new Get(row);
get.addColumn(familyName, col);
KeyValue[] keyValues = region.get(get, null).raw();
assertTrue(keyValues.length == 0);
} finally {
HRegion.closeHRegion(this.region);
this.region = null;
}
}
@Test public void testgetHDFSBlocksDistribution() throws Exception {
HBaseTestingUtility htu = new HBaseTestingUtility();
final int DEFAULT_BLOCK_SIZE = 1024;
htu.getConfiguration().setLong("dfs.block.size", DEFAULT_BLOCK_SIZE);
htu.getConfiguration().setInt("dfs.replication", 2);
// set up a cluster with 3 nodes
MiniHBaseCluster cluster = null;
String dataNodeHosts[] = new String[] { "host1", "host2", "host3" };
int regionServersCount = 3;
try {
cluster = htu.startMiniCluster(1, regionServersCount, dataNodeHosts);
byte [][] families = {fam1, fam2};
HTable ht = htu.createTable(Bytes.toBytes(this.getName()), families);
//Setting up region
byte row[] = Bytes.toBytes("row1");
byte col[] = Bytes.toBytes("col1");
Put put = new Put(row);
put.add(fam1, col, 1, Bytes.toBytes("test1"));
put.add(fam2, col, 1, Bytes.toBytes("test2"));
ht.put(put);
HRegion firstRegion = htu.getHBaseCluster().
getRegions(Bytes.toBytes(this.getName())).get(0);
firstRegion.flushcache();
HDFSBlocksDistribution blocksDistribution1 =
firstRegion.getHDFSBlocksDistribution();
// given the default replication factor is 2 and we have 2 HFiles,
// we will have total of 4 replica of blocks on 3 datanodes; thus there
// must be at least one host that have replica for 2 HFiles. That host's
// weight will be equal to the unique block weight.
long uniqueBlocksWeight1 =
blocksDistribution1.getUniqueBlocksTotalWeight();
String topHost = blocksDistribution1.getTopHosts().get(0);
long topHostWeight = blocksDistribution1.getWeight(topHost);
assertTrue(uniqueBlocksWeight1 == topHostWeight);
// use the static method to compute the value, it should be the same.
// static method is used by load balancer or other components
HDFSBlocksDistribution blocksDistribution2 =
HRegion.computeHDFSBlocksDistribution(htu.getConfiguration(),
firstRegion.getTableDesc(),
firstRegion.getRegionInfo().getEncodedName());
long uniqueBlocksWeight2 =
blocksDistribution2.getUniqueBlocksTotalWeight();
assertTrue(uniqueBlocksWeight1 == uniqueBlocksWeight2);
ht.close();
} finally {
if (cluster != null) {
htu.shutdownMiniCluster();
}
}
}
/**
* Testcase to check state of region initialization task set to ABORTED or not if any exceptions
* during initialization
*
* @throws Exception
*/
@Test
public void testStatusSettingToAbortIfAnyExceptionDuringRegionInitilization() throws Exception {
HRegionInfo info = null;
try {
FileSystem fs = Mockito.mock(FileSystem.class);
Mockito.when(fs.exists((Path) Mockito.anyObject())).thenThrow(new IOException());
HTableDescriptor htd = new HTableDescriptor(tableName);
htd.addFamily(new HColumnDescriptor("cf"));
info = new HRegionInfo(htd.getName(), HConstants.EMPTY_BYTE_ARRAY,
HConstants.EMPTY_BYTE_ARRAY, false);
Path path = new Path(DIR + "testStatusSettingToAbortIfAnyExceptionDuringRegionInitilization");
region = HRegion.newHRegion(path, null, fs, conf, info, htd, null);
// region initialization throws IOException and set task state to ABORTED.
region.initialize();
fail("Region initialization should fail due to IOException");
} catch (IOException io) {
List<MonitoredTask> tasks = TaskMonitor.get().getTasks();
for (MonitoredTask monitoredTask : tasks) {
if (!(monitoredTask instanceof MonitoredRPCHandler)
&& monitoredTask.getDescription().contains(region.toString())) {
assertTrue("Region state should be ABORTED.",
monitoredTask.getState().equals(MonitoredTask.State.ABORTED));
break;
}
}
} finally {
HRegion.closeHRegion(region);
}
}
/**
* TestCase for increment
*
*/
private static class Incrementer implements Runnable {
private HRegion region;
private final static byte[] incRow = Bytes.toBytes("incRow");
private final static byte[] family = Bytes.toBytes("family");
private final static byte[] qualifier = Bytes.toBytes("qualifier");
private final static long ONE = 1l;
private int incCounter;
public Incrementer(HRegion region, int incCounter) {
this.region = region;
this.incCounter = incCounter;
}
@Override
public void run() {
int count = 0;
while (count < incCounter) {
Increment inc = new Increment(incRow);
inc.addColumn(family, qualifier, ONE);
count++;
try {
region.increment(inc, null, true);
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
}
/**
* Test case to check increment function with memstore flushing
* @throws Exception
*/
@Test
public void testParallelIncrementWithMemStoreFlush() throws Exception {
Configuration conf = HBaseConfiguration.create();
String method = "testParallelIncrementWithMemStoreFlush";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Incrementer.family;
this.region = initHRegion(tableName, method, conf, family);
final HRegion region = this.region;
final AtomicBoolean incrementDone = new AtomicBoolean(false);
Runnable flusher = new Runnable() {
@Override
public void run() {
while (!incrementDone.get()) {
try {
region.flushcache();
} catch (Exception e) {
e.printStackTrace();
}
}
}
};
//after all increment finished, the row will increment to 20*100 = 2000
int threadNum = 20;
int incCounter = 100;
long expected = threadNum * incCounter;
Thread[] incrementers = new Thread[threadNum];
Thread flushThread = new Thread(flusher);
for (int i = 0; i < threadNum; i++) {
incrementers[i] = new Thread(new Incrementer(this.region, incCounter));
incrementers[i].start();
}
flushThread.start();
for (int i = 0; i < threadNum; i++) {
incrementers[i].join();
}
incrementDone.set(true);
flushThread.join();
Get get = new Get(Incrementer.incRow);
get.addColumn(Incrementer.family, Incrementer.qualifier);
get.setMaxVersions(1);
Result res = this.region.get(get, null);
List<KeyValue> kvs = res.getColumn(Incrementer.family,
Incrementer.qualifier);
//we just got the latest version
assertEquals(kvs.size(), 1);
KeyValue kv = kvs.get(0);
assertEquals(expected, Bytes.toLong(kv.getBuffer(), kv.getValueOffset()));
this.region = null;
}
/**
* TestCase for append
*
*/
private static class Appender implements Runnable {
private HRegion region;
private final static byte[] appendRow = Bytes.toBytes("appendRow");
private final static byte[] family = Bytes.toBytes("family");
private final static byte[] qualifier = Bytes.toBytes("qualifier");
private final static byte[] CHAR = Bytes.toBytes("a");
private int appendCounter;
public Appender(HRegion region, int appendCounter) {
this.region = region;
this.appendCounter = appendCounter;
}
@Override
public void run() {
int count = 0;
while (count < appendCounter) {
Append app = new Append(appendRow);
app.add(family, qualifier, CHAR);
count++;
try {
region.append(app, null, true);
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
}
/**
* Test case to check append function with memstore flushing
* @throws Exception
*/
@Test
public void testParallelAppendWithMemStoreFlush() throws Exception {
Configuration conf = HBaseConfiguration.create();
String method = "testParallelAppendWithMemStoreFlush";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Appender.family;
this.region = initHRegion(tableName, method, conf, family);
final HRegion region = this.region;
final AtomicBoolean appendDone = new AtomicBoolean(false);
Runnable flusher = new Runnable() {
@Override
public void run() {
while (!appendDone.get()) {
try {
region.flushcache();
} catch (Exception e) {
e.printStackTrace();
}
}
}
};
//after all append finished, the value will append to threadNum * appendCounter Appender.CHAR
int threadNum = 20;
int appendCounter = 100;
byte[] expected = new byte[threadNum * appendCounter];
for (int i = 0; i < threadNum * appendCounter; i++) {
System.arraycopy(Appender.CHAR, 0, expected, i, 1);
}
Thread[] appenders = new Thread[threadNum];
Thread flushThread = new Thread(flusher);
for (int i = 0; i < threadNum; i++) {
appenders[i] = new Thread(new Appender(this.region, appendCounter));
appenders[i].start();
}
flushThread.start();
for (int i = 0; i < threadNum; i++) {
appenders[i].join();
}
appendDone.set(true);
flushThread.join();
Get get = new Get(Appender.appendRow);
get.addColumn(Appender.family, Appender.qualifier);
get.setMaxVersions(1);
Result res = this.region.get(get, null);
List<KeyValue> kvs = res.getColumn(Appender.family,
Appender.qualifier);
//we just got the latest version
assertEquals(kvs.size(), 1);
KeyValue kv = kvs.get(0);
byte[] appendResult = new byte[kv.getValueLength()];
System.arraycopy(kv.getBuffer(), kv.getValueOffset(), appendResult, 0, kv.getValueLength());
assertEquals(expected, appendResult);
this.region = null;
}
/**
* Test case to check put function with memstore flushing for same row, same ts
* @throws Exception
*/
public void testPutWithMemStoreFlush() throws Exception {
Configuration conf = HBaseConfiguration.create();
String method = "testPutWithMemStoreFlush";
byte[] tableName = Bytes.toBytes(method);
byte[] family = Bytes.toBytes("family");;
byte[] qualifier = Bytes.toBytes("qualifier");
byte[] row = Bytes.toBytes("putRow");
byte[] value = null;
this.region = initHRegion(tableName, method, conf, family);
Put put = null;
Get get = null;
List<KeyValue> kvs = null;
Result res = null;
put = new Put(row);
value = Bytes.toBytes("value0");
put.add(family, qualifier, 1234567l, value);
region.put(put);
get = new Get(row);
get.addColumn(family, qualifier);
get.setMaxVersions();
res = this.region.get(get, null);
kvs = res.getColumn(family, qualifier);
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes("value0"), kvs.get(0).getValue());
region.flushcache();
get = new Get(row);
get.addColumn(family, qualifier);
get.setMaxVersions();
res = this.region.get(get, null);
kvs = res.getColumn(family, qualifier);
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes("value0"), kvs.get(0).getValue());
put = new Put(row);
value = Bytes.toBytes("value1");
put.add(family, qualifier, 1234567l, value);
region.put(put);
get = new Get(row);
get.addColumn(family, qualifier);
get.setMaxVersions();
res = this.region.get(get, null);
kvs = res.getColumn(family, qualifier);
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes("value1"), kvs.get(0).getValue());
region.flushcache();
get = new Get(row);
get.addColumn(family, qualifier);
get.setMaxVersions();
res = this.region.get(get, null);
kvs = res.getColumn(family, qualifier);
assertEquals(1, kvs.size());
assertEquals(Bytes.toBytes("value1"), kvs.get(0).getValue());
}
private void putData(int startRow, int numRows, byte [] qf,
byte [] ...families)
throws IOException {
for(int i=startRow; i<startRow+numRows; i++) {
Put put = new Put(Bytes.toBytes("" + i));
put.setWriteToWAL(false);
for(byte [] family : families) {
put.add(family, qf, null);
}
region.put(put);
}
}
private void verifyData(HRegion newReg, int startRow, int numRows, byte [] qf,
byte [] ... families)
throws IOException {
for(int i=startRow; i<startRow + numRows; i++) {
byte [] row = Bytes.toBytes("" + i);
Get get = new Get(row);
for(byte [] family : families) {
get.addColumn(family, qf);
}
Result result = newReg.get(get, null);
KeyValue [] raw = result.raw();
assertEquals(families.length, result.size());
for(int j=0; j<families.length; j++) {
assertEquals(0, Bytes.compareTo(row, raw[j].getRow()));
assertEquals(0, Bytes.compareTo(families[j], raw[j].getFamily()));
assertEquals(0, Bytes.compareTo(qf, raw[j].getQualifier()));
}
}
}
private void assertGet(final HRegion r, final byte [] family, final byte [] k)
throws IOException {
// Now I have k, get values out and assert they are as expected.
Get get = new Get(k).addFamily(family).setMaxVersions();
KeyValue [] results = r.get(get, null).raw();
for (int j = 0; j < results.length; j++) {
byte [] tmp = results[j].getValue();
// Row should be equal to value every time.
assertTrue(Bytes.equals(k, tmp));
}
}
/*
* Assert first value in the passed region is <code>firstValue</code>.
* @param r
* @param fs
* @param firstValue
* @throws IOException
*/
private void assertScan(final HRegion r, final byte [] fs,
final byte [] firstValue)
throws IOException {
byte [][] families = {fs};
Scan scan = new Scan();
for (int i = 0; i < families.length; i++) scan.addFamily(families[i]);
InternalScanner s = r.getScanner(scan);
try {
List<KeyValue> curVals = new ArrayList<KeyValue>();
boolean first = true;
OUTER_LOOP: while(s.next(curVals)) {
for (KeyValue kv: curVals) {
byte [] val = kv.getValue();
byte [] curval = val;
if (first) {
first = false;
assertTrue(Bytes.compareTo(curval, firstValue) == 0);
} else {
// Not asserting anything. Might as well break.
break OUTER_LOOP;
}
}
}
} finally {
s.close();
}
}
private Configuration initSplit() {
Configuration conf = HBaseConfiguration.create();
// Always compact if there is more than one store file.
conf.setInt("hbase.hstore.compactionThreshold", 2);
// Make lease timeout longer, lease checks less frequent
conf.setInt("hbase.master.lease.thread.wakefrequency", 5 * 1000);
conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, 10 * 1000);
conf.setInt(HConstants.HBASE_REGIONSERVER_ROWLOCK_TIMEOUT_PERIOD, 10 * 1000);
// Increase the amount of time between client retries
conf.setLong("hbase.client.pause", 15 * 1000);
// This size should make it so we always split using the addContent
// below. After adding all data, the first region is 1.3M
conf.setLong(HConstants.HREGION_MAX_FILESIZE, 1024 * 128);
return conf;
}
/**
* @param tableName
* @param callingMethod
* @param families
* @return A region on which you must call {@link HRegion#closeHRegion(HRegion)} when done.
* @throws IOException
*/
private static HRegion initHRegion (byte [] tableName, String callingMethod,
byte[] ... families)
throws IOException {
return initHRegion(tableName, callingMethod, HBaseConfiguration.create(), families);
}
/**
* @param tableName
* @param callingMethod
* @param conf
* @param families
* @throws IOException
* @return A region on which you must call {@link HRegion#closeHRegion(HRegion)} when done.
*/
public static HRegion initHRegion (byte [] tableName, String callingMethod,
Configuration conf, byte [] ... families)
throws IOException{
return initHRegion(tableName, null, null, callingMethod, conf, families);
}
/**
* @param tableName
* @param startKey
* @param stopKey
* @param callingMethod
* @param conf
* @param families
* @throws IOException
* @return A region on which you must call {@link HRegion#closeHRegion(HRegion)} when done.
*/
private static HRegion initHRegion(byte[] tableName, byte[] startKey, byte[] stopKey,
String callingMethod, Configuration conf, byte[]... families)
throws IOException {
HTableDescriptor htd = new HTableDescriptor(tableName);
for(byte [] family : families) {
htd.addFamily(new HColumnDescriptor(family));
}
HRegionInfo info = new HRegionInfo(htd.getName(), startKey, stopKey, false);
Path path = new Path(DIR + callingMethod);
FileSystem fs = FileSystem.get(conf);
if (fs.exists(path)) {
if (!fs.delete(path, true)) {
throw new IOException("Failed delete of " + path);
}
}
return HRegion.createHRegion(info, path, conf, htd);
}
/**
* Assert that the passed in KeyValue has expected contents for the
* specified row, column & timestamp.
*/
private void checkOneCell(KeyValue kv, byte[] cf,
int rowIdx, int colIdx, long ts) {
String ctx = "rowIdx=" + rowIdx + "; colIdx=" + colIdx + "; ts=" + ts;
assertEquals("Row mismatch which checking: " + ctx,
"row:"+ rowIdx, Bytes.toString(kv.getRow()));
assertEquals("ColumnFamily mismatch while checking: " + ctx,
Bytes.toString(cf), Bytes.toString(kv.getFamily()));
assertEquals("Column qualifier mismatch while checking: " + ctx,
"column:" + colIdx, Bytes.toString(kv.getQualifier()));
assertEquals("Timestamp mismatch while checking: " + ctx,
ts, kv.getTimestamp());
assertEquals("Value mismatch while checking: " + ctx,
"value-version-" + ts, Bytes.toString(kv.getValue()));
}
}