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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.db;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.db.filter.IDiskAtomFilter;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.db.columniterator.IdentityQueryFilter;
import org.apache.cassandra.db.compaction.CompactionManager;
import org.apache.cassandra.db.index.SecondaryIndex;
import org.apache.cassandra.dht.BytesToken;
import org.apache.cassandra.dht.IPartitioner;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.io.sstable.SSTableReader;
import org.apache.cassandra.locator.TokenMetadata;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.CounterId;
import org.junit.Test;
public class CleanupTest extends SchemaLoader
{
public static final int LOOPS = 200;
public static final String KEYSPACE1 = "Keyspace1";
public static final String CF1 = "Indexed1";
public static final String CF2 = "Standard1";
public static final ByteBuffer COLUMN = ByteBufferUtil.bytes("birthdate");
public static final ByteBuffer VALUE = ByteBuffer.allocate(8);
static
{
VALUE.putLong(20101229);
VALUE.flip();
}
@Test
public void testCleanup() throws IOException, ExecutionException, InterruptedException, ConfigurationException
{
StorageService.instance.initServer(0);
Keyspace keyspace = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF2);
List<Row> rows;
// insert data and verify we get it back w/ range query
fillCF(cfs, LOOPS);
// record max timestamps of the sstables pre-cleanup
List<Long> expectedMaxTimestamps = getMaxTimestampList(cfs);
rows = Util.getRangeSlice(cfs);
assertEquals(LOOPS, rows.size());
// with one token in the ring, owned by the local node, cleanup should be a no-op
CompactionManager.instance.performCleanup(cfs, new CounterId.OneShotRenewer());
// ensure max timestamp of the sstables are retained post-cleanup
assert expectedMaxTimestamps.equals(getMaxTimestampList(cfs));
// check data is still there
rows = Util.getRangeSlice(cfs);
assertEquals(LOOPS, rows.size());
}
@Test
public void testCleanupWithIndexes() throws IOException, ExecutionException, InterruptedException
{
Keyspace keyspace = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF1);
List<Row> rows;
// insert data and verify we get it back w/ range query
fillCF(cfs, LOOPS);
rows = Util.getRangeSlice(cfs);
assertEquals(LOOPS, rows.size());
SecondaryIndex index = cfs.indexManager.getIndexForColumn(COLUMN);
long start = System.nanoTime();
while (!index.isIndexBuilt(COLUMN) && System.nanoTime() - start < TimeUnit.SECONDS.toNanos(10))
Thread.sleep(10);
// verify we get it back w/ index query too
IndexExpression expr = new IndexExpression(COLUMN, IndexExpression.Operator.EQ, VALUE);
List<IndexExpression> clause = Arrays.asList(expr);
IDiskAtomFilter filter = new IdentityQueryFilter();
IPartitioner p = StorageService.getPartitioner();
Range<RowPosition> range = Util.range("", "");
rows = keyspace.getColumnFamilyStore(CF1).search(range, clause, filter, Integer.MAX_VALUE);
assertEquals(LOOPS, rows.size());
// we don't allow cleanup when the local host has no range to avoid wipping up all data when a node has not join the ring.
// So to make sure cleanup erase everything here, we give the localhost the tiniest possible range.
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
byte[] tk1 = new byte[1], tk2 = new byte[1];
tk1[0] = 2;
tk2[0] = 1;
tmd.updateNormalToken(new BytesToken(tk1), InetAddress.getByName("127.0.0.1"));
tmd.updateNormalToken(new BytesToken(tk2), InetAddress.getByName("127.0.0.2"));
CompactionManager.instance.performCleanup(cfs, new CounterId.OneShotRenewer());
// row data should be gone
rows = Util.getRangeSlice(cfs);
assertEquals(0, rows.size());
// not only should it be gone but there should be no data on disk, not even tombstones
assert cfs.getSSTables().isEmpty();
// 2ary indexes should result in no results, too (although tombstones won't be gone until compacted)
rows = cfs.search(range, clause, filter, Integer.MAX_VALUE);
assertEquals(0, rows.size());
}
protected void fillCF(ColumnFamilyStore cfs, int rowsPerSSTable) throws ExecutionException, InterruptedException, IOException
{
CompactionManager.instance.disableAutoCompaction();
for (int i = 0; i < rowsPerSSTable; i++)
{
String key = String.valueOf(i);
// create a row and update the birthdate value, test that the index query fetches the new version
RowMutation rm;
rm = new RowMutation(KEYSPACE1, ByteBufferUtil.bytes(key));
rm.add(cfs.name, COLUMN, VALUE, System.currentTimeMillis());
rm.applyUnsafe();
}
cfs.forceBlockingFlush();
}
protected List<Long> getMaxTimestampList(ColumnFamilyStore cfs)
{
List<Long> list = new LinkedList<Long>();
for (SSTableReader sstable : cfs.getSSTables())
list.add(sstable.getMaxTimestamp());
return list;
}
}