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* 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.cassandra.db;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.concurrent.NamedThreadFactory;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.ParameterizedClass;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.db.commitlog.CommitLogArchiver;
import org.apache.cassandra.db.commitlog.CommitLogReplayer;
import org.apache.cassandra.db.context.CounterContext;
import org.apache.cassandra.db.rows.*;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.compress.DeflateCompressor;
import org.apache.cassandra.io.compress.LZ4Compressor;
import org.apache.cassandra.io.compress.SnappyCompressor;
import org.apache.cassandra.schema.ColumnMetadata;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.security.EncryptionContext;
import org.apache.cassandra.security.EncryptionContextGenerator;
import org.apache.cassandra.utils.ByteBufferUtil;
import static org.junit.Assert.assertEquals;
@RunWith(Parameterized.class)
public class RecoveryManagerTest
{
private static Logger logger = LoggerFactory.getLogger(RecoveryManagerTest.class);
private static final String KEYSPACE1 = "RecoveryManagerTest1";
private static final String CF_STANDARD1 = "Standard1";
private static final String CF_COUNTER1 = "Counter1";
private static final String KEYSPACE2 = "RecoveryManagerTest2";
private static final String CF_STANDARD3 = "Standard3";
public RecoveryManagerTest(ParameterizedClass commitLogCompression, EncryptionContext encryptionContext)
{
DatabaseDescriptor.setCommitLogCompression(commitLogCompression);
DatabaseDescriptor.setEncryptionContext(encryptionContext);
}
@Parameters()
public static Collection<Object[]> generateData()
{
return Arrays.asList(new Object[][]{
{null, EncryptionContextGenerator.createDisabledContext()}, // No compression, no encryption
{null, EncryptionContextGenerator.createContext(true)}, // Encryption
{new ParameterizedClass(LZ4Compressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
{new ParameterizedClass(SnappyCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
{new ParameterizedClass(DeflateCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()}});
}
@Before
public void setUp() throws IOException
{
CommitLog.instance.resetUnsafe(true);
}
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE1,
KeyspaceParams.simple(1),
SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1),
SchemaLoader.counterCFMD(KEYSPACE1, CF_COUNTER1));
SchemaLoader.createKeyspace(KEYSPACE2,
KeyspaceParams.simple(1),
SchemaLoader.standardCFMD(KEYSPACE2, CF_STANDARD3));
}
@Before
public void clearData()
{
// clear data
Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_STANDARD1).truncateBlocking();
Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_COUNTER1).truncateBlocking();
Keyspace.open(KEYSPACE2).getColumnFamilyStore(CF_STANDARD3).truncateBlocking();
}
@Test
public void testNothingToRecover() throws IOException
{
CommitLog.instance.resetUnsafe(true);
}
@Test
public void testRecoverBlocksOnBytesOutstanding() throws Exception
{
long originalMaxOutstanding = CommitLogReplayer.MAX_OUTSTANDING_REPLAY_BYTES;
CommitLogReplayer.MAX_OUTSTANDING_REPLAY_BYTES = 1;
CommitLogReplayer.MutationInitiator originalInitiator = CommitLogReplayer.mutationInitiator;
MockInitiator mockInitiator = new MockInitiator();
CommitLogReplayer.mutationInitiator = mockInitiator;
try
{
CommitLog.instance.resetUnsafe(true);
Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
Keyspace keyspace2 = Keyspace.open(KEYSPACE2);
UnfilteredRowIterator upd1 = Util.apply(new RowUpdateBuilder(keyspace1.getColumnFamilyStore(CF_STANDARD1).metadata(), 1L, 0, "keymulti")
.clustering("col1").add("val", "1")
.build());
UnfilteredRowIterator upd2 = Util.apply(new RowUpdateBuilder(keyspace2.getColumnFamilyStore(CF_STANDARD3).metadata(), 1L, 0, "keymulti")
.clustering("col2").add("val", "1")
.build());
keyspace1.getColumnFamilyStore("Standard1").clearUnsafe();
keyspace2.getColumnFamilyStore("Standard3").clearUnsafe();
DecoratedKey dk = Util.dk("keymulti");
Assert.assertTrue(Util.getAllUnfiltered(Util.cmd(keyspace1.getColumnFamilyStore(CF_STANDARD1), dk).build()).isEmpty());
Assert.assertTrue(Util.getAllUnfiltered(Util.cmd(keyspace2.getColumnFamilyStore(CF_STANDARD3), dk).build()).isEmpty());
final AtomicReference<Throwable> err = new AtomicReference<Throwable>();
Thread t = NamedThreadFactory.createThread(() ->
{
try
{
CommitLog.instance.resetUnsafe(false); // disassociate segments from live CL
}
catch (Throwable x)
{
err.set(x);
}
});
t.start();
Assert.assertTrue(mockInitiator.blocked.tryAcquire(1, 20, TimeUnit.SECONDS));
Thread.sleep(100);
Assert.assertTrue(t.isAlive());
mockInitiator.blocker.release(Integer.MAX_VALUE);
t.join(20 * 1000);
if (err.get() != null)
throw new RuntimeException(err.get());
if (t.isAlive())
{
Throwable toPrint = new Throwable();
toPrint.setStackTrace(Thread.getAllStackTraces().get(t));
toPrint.printStackTrace(System.out);
}
Assert.assertFalse(t.isAlive());
Assert.assertTrue(Util.sameContent(upd1, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace1.getColumnFamilyStore(CF_STANDARD1), dk).build()).unfilteredIterator()));
Assert.assertTrue(Util.sameContent(upd2, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace2.getColumnFamilyStore(CF_STANDARD3), dk).build()).unfilteredIterator()));
}
finally
{
CommitLogReplayer.mutationInitiator = originalInitiator;
CommitLogReplayer.MAX_OUTSTANDING_REPLAY_BYTES = originalMaxOutstanding;
}
}
@Test
public void testOne() throws IOException
{
CommitLog.instance.resetUnsafe(true);
Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
Keyspace keyspace2 = Keyspace.open(KEYSPACE2);
UnfilteredRowIterator upd1 = Util.apply(new RowUpdateBuilder(keyspace1.getColumnFamilyStore(CF_STANDARD1).metadata(), 1L, 0, "keymulti")
.clustering("col1").add("val", "1")
.build());
UnfilteredRowIterator upd2 = Util.apply(new RowUpdateBuilder(keyspace2.getColumnFamilyStore(CF_STANDARD3).metadata(), 1L, 0, "keymulti")
.clustering("col2").add("val", "1")
.build());
keyspace1.getColumnFamilyStore("Standard1").clearUnsafe();
keyspace2.getColumnFamilyStore("Standard3").clearUnsafe();
CommitLog.instance.resetUnsafe(false);
DecoratedKey dk = Util.dk("keymulti");
Assert.assertTrue(Util.sameContent(upd1, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace1.getColumnFamilyStore(CF_STANDARD1), dk).build()).unfilteredIterator()));
Assert.assertTrue(Util.sameContent(upd2, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace2.getColumnFamilyStore(CF_STANDARD3), dk).build()).unfilteredIterator()));
}
@Test
public void testRecoverCounter() throws IOException
{
CommitLog.instance.resetUnsafe(true);
Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace1.getColumnFamilyStore(CF_COUNTER1);
for (int i = 0; i < 10; ++i)
{
new CounterMutation(new RowUpdateBuilder(cfs.metadata(), 1L, 0, "key")
.clustering("cc").add("val", CounterContext.instance().createLocal(1L))
.build(), ConsistencyLevel.ALL).apply();
}
keyspace1.getColumnFamilyStore("Counter1").clearUnsafe();
int replayed = CommitLog.instance.resetUnsafe(false);
ColumnMetadata counterCol = cfs.metadata().getColumn(ByteBufferUtil.bytes("val"));
Row row = Util.getOnlyRow(Util.cmd(cfs).includeRow("cc").columns("val").build());
assertEquals(10L, CounterContext.instance().total(row.getCell(counterCol).value()));
}
@Test
public void testRecoverPIT() throws Exception
{
CommitLog.instance.resetUnsafe(true);
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_STANDARD1);
Date date = CommitLogArchiver.format.parse("2112:12:12 12:12:12");
long timeMS = date.getTime() - 5000;
Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
for (int i = 0; i < 10; ++i)
{
long ts = TimeUnit.MILLISECONDS.toMicros(timeMS + (i * 1000));
new RowUpdateBuilder(cfs.metadata(), ts, "name-" + i)
.clustering("cc")
.add("val", Integer.toString(i))
.build()
.apply();
}
// Sanity check row count prior to clear and replay
assertEquals(10, Util.getAll(Util.cmd(cfs).build()).size());
keyspace1.getColumnFamilyStore("Standard1").clearUnsafe();
CommitLog.instance.resetUnsafe(false);
assertEquals(6, Util.getAll(Util.cmd(cfs).build()).size());
}
@Test
public void testRecoverPITUnordered() throws Exception
{
CommitLog.instance.resetUnsafe(true);
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_STANDARD1);
Date date = CommitLogArchiver.format.parse("2112:12:12 12:12:12");
long timeMS = date.getTime();
Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
// Col 0 and 9 are the only ones to be recovered
for (int i = 0; i < 10; ++i)
{
long ts;
if (i == 9)
ts = TimeUnit.MILLISECONDS.toMicros(timeMS - 1000);
else
ts = TimeUnit.MILLISECONDS.toMicros(timeMS + (i * 1000));
new RowUpdateBuilder(cfs.metadata(), ts, "name-" + i)
.clustering("cc")
.add("val", Integer.toString(i))
.build()
.apply();
}
// Sanity check row count prior to clear and replay
assertEquals(10, Util.getAll(Util.cmd(cfs).build()).size());
keyspace1.getColumnFamilyStore("Standard1").clearUnsafe();
CommitLog.instance.resetUnsafe(false);
assertEquals(2, Util.getAll(Util.cmd(cfs).build()).size());
}
private static class MockInitiator extends CommitLogReplayer.MutationInitiator
{
final Semaphore blocker = new Semaphore(0);
final Semaphore blocked = new Semaphore(0);
@Override
protected Future<Integer> initiateMutation(final Mutation mutation,
final long segmentId,
final int serializedSize,
final int entryLocation,
final CommitLogReplayer clr)
{
final Future<Integer> toWrap = super.initiateMutation(mutation,
segmentId,
serializedSize,
entryLocation,
clr);
return new Future<Integer>()
{
@Override
public boolean cancel(boolean mayInterruptIfRunning)
{
throw new UnsupportedOperationException();
}
@Override
public boolean isCancelled()
{
throw new UnsupportedOperationException();
}
@Override
public boolean isDone()
{
return blocker.availablePermits() > 0 && toWrap.isDone();
}
@Override
public Integer get() throws InterruptedException, ExecutionException
{
System.out.println("Got blocker once");
blocked.release();
blocker.acquire();
return toWrap.get();
}
@Override
public Integer get(long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException
{
blocked.release();
blocker.tryAcquire(1, timeout, unit);
return toWrap.get(timeout, unit);
}
};
}
};
}