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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,
* 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
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package org.apache.cassandra.db.compaction;
import java.io.IOException;
import java.util.Collections;
import java.util.Set;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
import org.junit.BeforeClass;
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.CFMetaData;
import org.apache.cassandra.db.*;
import org.apache.cassandra.db.rows.BTreeRow;
import org.apache.cassandra.db.filter.ColumnFilter;
import org.apache.cassandra.db.lifecycle.SSTableSet;
import org.apache.cassandra.db.rows.UnfilteredRowIterator;
import org.apache.cassandra.db.marshal.*;
import org.apache.cassandra.io.sstable.format.SSTableReader;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.sstable.ISSTableScanner;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.tools.SSTableExpiredBlockers;
import org.apache.cassandra.utils.ByteBufferUtil;
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,
KeyspaceParams.simple(1),
CFMetaData.Builder.create(KEYSPACE1, CF_STANDARD1)
.addPartitionKey("pKey", AsciiType.instance)
.addRegularColumn("col1", AsciiType.instance)
.addRegularColumn("col", AsciiType.instance)
.addRegularColumn("col311", AsciiType.instance)
.addRegularColumn("col2", AsciiType.instance)
.addRegularColumn("col3", AsciiType.instance)
.addRegularColumn("col7", AsciiType.instance)
.addRegularColumn("col8", MapType.getInstance(AsciiType.instance, AsciiType.instance, true))
.addRegularColumn("shadow", AsciiType.instance)
.build().gcGraceSeconds(0));
}
@Test
public void testAggressiveFullyExpired()
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
String key = "ttl";
new RowUpdateBuilder(cfs.metadata, 1L, 1, key)
.add("col1", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
new RowUpdateBuilder(cfs.metadata, 3L, 1, key)
.add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, 2L, 1, key)
.add("col1", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
new RowUpdateBuilder(cfs.metadata, 5L, 1, key)
.add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, 4L, 1, key)
.add("col1", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
new RowUpdateBuilder(cfs.metadata, 7L, 1, key)
.add("shadow", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, 6L, 3, key)
.add("shadow", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
new RowUpdateBuilder(cfs.metadata, 8L, 1, key)
.add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
Set<SSTableReader> sstables = Sets.newHashSet(cfs.getLiveSSTables());
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
{
testSimpleExpire(false);
}
@Test
public void testBug10944() throws InterruptedException
{
// Reproduction for CASSANDRA-10944 (at the time of the bug)
testSimpleExpire(true);
}
public void testSimpleExpire(boolean force10944Bug) throws InterruptedException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.truncateBlocking();
cfs.disableAutoCompaction();
// To reproduce #10944, we need our gcBefore to be equal to the locaDeletionTime. A gcGrace of 1 will (almost always) give us that.
cfs.metadata.gcGraceSeconds(force10944Bug ? 1 : 0);
long timestamp = System.currentTimeMillis();
String key = "ttl";
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.add("col7", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.addMapEntry("col8", "bar", "foo")
.delete("col1")
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
// To reproduce #10944, we need to avoid the optimization that get rid of full sstable because everything
// is known to be gcAble, so keep some data non-expiring in that case.
new RowUpdateBuilder(cfs.metadata, timestamp, force10944Bug ? 0 : 1, key)
.add("col3", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col311", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
Thread.sleep(2000); // wait for ttl to expire
assertEquals(4, cfs.getLiveSSTables().size());
cfs.enableAutoCompaction(true);
assertEquals(force10944Bug ? 1 : 0, cfs.getLiveSSTables().size());
}
@Test
public void testNoExpire() throws InterruptedException, IOException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.truncateBlocking();
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
long timestamp = System.currentTimeMillis();
String key = "ttl";
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.add("col7", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
new RowUpdateBuilder(cfs.metadata, timestamp, 1, key)
.add("col3", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
String noTTLKey = "nottl";
new RowUpdateBuilder(cfs.metadata, timestamp, noTTLKey)
.add("col311", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
Thread.sleep(2000); // wait for ttl to expire
assertEquals(4, cfs.getLiveSSTables().size());
cfs.enableAutoCompaction(true);
assertEquals(1, cfs.getLiveSSTables().size());
SSTableReader sstable = cfs.getLiveSSTables().iterator().next();
ISSTableScanner scanner = sstable.getScanner(ColumnFilter.all(sstable.metadata), DataRange.allData(cfs.getPartitioner()), false);
assertTrue(scanner.hasNext());
while(scanner.hasNext())
{
UnfilteredRowIterator iter = scanner.next();
assertEquals(Util.dk(noTTLKey), iter.partitionKey());
}
scanner.close();
}
@Test
public void testCheckForExpiredSSTableBlockers() throws InterruptedException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
cfs.truncateBlocking();
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
new RowUpdateBuilder(cfs.metadata, System.currentTimeMillis(), "test")
.noRowMarker()
.add("col1", ByteBufferUtil.EMPTY_BYTE_BUFFER)
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
SSTableReader blockingSSTable = cfs.getSSTables(SSTableSet.LIVE).iterator().next();
for (int i = 0; i < 10; i++)
{
new RowUpdateBuilder(cfs.metadata, System.currentTimeMillis(), "test")
.noRowMarker()
.delete("col1")
.build()
.applyUnsafe();
cfs.forceBlockingFlush();
}
Multimap<SSTableReader, SSTableReader> blockers = SSTableExpiredBlockers.checkForExpiredSSTableBlockers(cfs.getSSTables(SSTableSet.LIVE), (int) (System.currentTimeMillis() / 1000) + 100);
assertEquals(1, blockers.keySet().size());
assertTrue(blockers.keySet().contains(blockingSSTable));
assertEquals(10, blockers.get(blockingSSTable).size());
}
}