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* 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.
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package org.apache.accumulo.test;
import java.util.Map;
import java.util.Map.Entry;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.TimeUnit;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.client.Connector;
import org.apache.accumulo.core.client.Instance;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.client.admin.InstanceOperations;
import org.apache.accumulo.core.conf.Property;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.metadata.MetadataTable;
import org.apache.accumulo.core.metadata.schema.MetadataSchema;
import org.apache.accumulo.core.security.Authorizations;
import org.apache.accumulo.core.zookeeper.ZooUtil;
import org.apache.accumulo.fate.zookeeper.ZooCache;
import org.apache.accumulo.fate.zookeeper.ZooLock;
import org.apache.accumulo.harness.AccumuloClusterHarness;
import org.apache.accumulo.minicluster.ServerType;
import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static com.google.common.util.concurrent.Uninterruptibles.sleepUninterruptibly;
// Accumulo3047
public class BadDeleteMarkersCreatedIT extends AccumuloClusterHarness {
private static final Logger log = LoggerFactory.getLogger(BadDeleteMarkersCreatedIT.class);
@Override
public int defaultTimeoutSeconds() {
return 120;
}
@Override
public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
cfg.setNumTservers(1);
cfg.setProperty(Property.GC_CYCLE_DELAY, "1s");
cfg.setProperty(Property.GC_CYCLE_START, "0s");
}
private int timeoutFactor = 1;
@Before
public void getTimeoutFactor() {
try {
timeoutFactor = Integer.parseInt(System.getProperty("timeout.factor"));
} catch (NumberFormatException e) {
log.warn("Could not parse integer from timeout.factor");
}
Assert.assertTrue("timeout.factor must be greater than or equal to 1", timeoutFactor >= 1);
}
private String gcCycleDelay, gcCycleStart;
@Before
public void alterConfig() throws Exception {
InstanceOperations iops = getConnector().instanceOperations();
Map<String,String> config = iops.getSystemConfiguration();
gcCycleDelay = config.get(Property.GC_CYCLE_DELAY.getKey());
gcCycleStart = config.get(Property.GC_CYCLE_START.getKey());
iops.setProperty(Property.GC_CYCLE_DELAY.getKey(), "1s");
iops.setProperty(Property.GC_CYCLE_START.getKey(), "0s");
log.info("Restarting garbage collector");
getCluster().getClusterControl().stopAllServers(ServerType.GARBAGE_COLLECTOR);
Instance instance = getConnector().getInstance();
ZooCache zcache = new ZooCache(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
zcache.clear();
String path = ZooUtil.getRoot(instance) + Constants.ZGC_LOCK;
byte[] gcLockData;
do {
gcLockData = ZooLock.getLockData(zcache, path, null);
if (null != gcLockData) {
log.info("Waiting for GC ZooKeeper lock to expire");
Thread.sleep(2000);
}
} while (null != gcLockData);
log.info("GC lock was lost");
getCluster().getClusterControl().startAllServers(ServerType.GARBAGE_COLLECTOR);
log.info("Garbage collector was restarted");
gcLockData = null;
do {
gcLockData = ZooLock.getLockData(zcache, path, null);
if (null == gcLockData) {
log.info("Waiting for GC ZooKeeper lock to be acquired");
Thread.sleep(2000);
}
} while (null == gcLockData);
log.info("GC lock was acquired");
}
@After
public void restoreConfig() throws Exception {
InstanceOperations iops = getConnector().instanceOperations();
if (null != gcCycleDelay) {
iops.setProperty(Property.GC_CYCLE_DELAY.getKey(), gcCycleDelay);
}
if (null != gcCycleStart) {
iops.setProperty(Property.GC_CYCLE_START.getKey(), gcCycleStart);
}
log.info("Restarting garbage collector");
getCluster().getClusterControl().stopAllServers(ServerType.GARBAGE_COLLECTOR);
getCluster().getClusterControl().startAllServers(ServerType.GARBAGE_COLLECTOR);
log.info("Garbage collector was restarted");
}
@Test
public void test() throws Exception {
// make a table
String tableName = getUniqueNames(1)[0];
Connector c = getConnector();
log.info("Creating table to be deleted");
c.tableOperations().create(tableName);
final String tableId = c.tableOperations().tableIdMap().get(tableName);
Assert.assertNotNull("Expected to find a tableId", tableId);
// add some splits
SortedSet<Text> splits = new TreeSet<>();
for (int i = 0; i < 10; i++) {
splits.add(new Text("" + i));
}
c.tableOperations().addSplits(tableName, splits);
// get rid of all the splits
c.tableOperations().deleteRows(tableName, null, null);
// get rid of the table
c.tableOperations().delete(tableName);
log.info("Sleeping to let garbage collector run");
// let gc run
sleepUninterruptibly(timeoutFactor * 15, TimeUnit.SECONDS);
log.info("Verifying that delete markers were deleted");
// look for delete markers
Scanner scanner = c.createScanner(MetadataTable.NAME, Authorizations.EMPTY);
scanner.setRange(MetadataSchema.DeletesSection.getRange());
for (Entry<Key,Value> entry : scanner) {
String row = entry.getKey().getRow().toString();
if (!row.contains("/" + tableId + "/")) {
log.info("Ignoring delete entry for a table other than the one we deleted");
continue;
}
Assert.fail("Delete entry should have been deleted by the garbage collector: " + entry.getKey().getRow().toString());
}
}
}