package org.apache.cassandra.db.compaction;
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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* KIND, either express or implied. See the License for the
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import org.apache.cassandra.io.sstable.format.SSTableReader;
import org.junit.BeforeClass;
import com.google.common.collect.Sets;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.apache.cassandra.OrderedJUnit4ClassRunner;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.db.*;
import org.apache.cassandra.db.columniterator.OnDiskAtomIterator;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.locator.SimpleStrategy;
import org.apache.cassandra.utils.ByteBufferUtil;
import java.util.Collections;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
@RunWith(OrderedJUnit4ClassRunner.class)
public class TTLExpiryTest
{
public static final String KEYSPACE1 = "TTLExpiryTest";
private static final String CF_STANDARD1 = "Standard1";
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE1,
SimpleStrategy.class,
KSMetaData.optsWithRF(1),
SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1));
}
@Test
public void testAggressiveFullyExpired()
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
DecoratedKey ttlKey = Util.dk("ttl");
Mutation rm = new Mutation(KEYSPACE1, ttlKey.getKey());
rm.add("Standard1", Util.cellname("col1"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 1, 1);
rm.add("Standard1", Util.cellname("col2"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 3, 1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, ttlKey.getKey());
rm.add("Standard1", Util.cellname("col1"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 2, 1);
rm.add("Standard1", Util.cellname("col2"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 5, 1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, ttlKey.getKey());
rm.add("Standard1", Util.cellname("col1"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 4, 1);
rm.add("Standard1", Util.cellname("shadow"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 7, 1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, ttlKey.getKey());
rm.add("Standard1", Util.cellname("shadow"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 6, 3);
rm.add("Standard1", Util.cellname("col2"), ByteBufferUtil.EMPTY_BYTE_BUFFER, 8, 1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
Set<SSTableReader> sstables = Sets.newHashSet(cfs.getSSTables());
int now = (int)(System.currentTimeMillis() / 1000);
int gcBefore = now + 2;
Set<SSTableReader> expired = CompactionController.getFullyExpiredSSTables(
cfs,
sstables,
Collections.EMPTY_SET,
gcBefore);
assertEquals(2, expired.size());
cfs.clearUnsafe();
}
@Test
public void testSimpleExpire() throws InterruptedException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
long timestamp = System.currentTimeMillis();
Mutation rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.add("Standard1", Util.cellname("col7"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col2"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col3"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col311"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
Thread.sleep(2000); // wait for ttl to expire
assertEquals(4, cfs.getSSTables().size());
cfs.enableAutoCompaction(true);
assertEquals(0, cfs.getSSTables().size());
}
@Test
public void testNoExpire() throws InterruptedException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
long timestamp = System.currentTimeMillis();
Mutation rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.add("Standard1", Util.cellname("col7"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col2"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
rm = new Mutation(KEYSPACE1, Util.dk("ttl").getKey());
rm.add("Standard1", Util.cellname("col3"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp,
1);
rm.applyUnsafe();
cfs.forceBlockingFlush();
DecoratedKey noTTLKey = Util.dk("nottl");
rm = new Mutation(KEYSPACE1, noTTLKey.getKey());
rm.add("Standard1", Util.cellname("col311"),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
timestamp);
rm.applyUnsafe();
cfs.forceBlockingFlush();
Thread.sleep(2000); // wait for ttl to expire
assertEquals(4, cfs.getSSTables().size());
cfs.enableAutoCompaction(true);
assertEquals(1, cfs.getSSTables().size());
SSTableReader sstable = cfs.getSSTables().iterator().next();
ICompactionScanner scanner = sstable.getScanner(DataRange.allData(sstable.partitioner));
assertTrue(scanner.hasNext());
while(scanner.hasNext())
{
OnDiskAtomIterator iter = scanner.next();
assertEquals(noTTLKey, iter.getKey());
}
}
}