/*
* 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.net.InetAddress;
import java.util.*;
import org.apache.cassandra.Util;
import org.junit.Test;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.io.sstable.SSTableReader;
import org.apache.cassandra.io.sstable.SSTableUtils;
import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.utils.FBUtilities;
import static junit.framework.Assert.assertEquals;
public class LongCompactionSpeedTest extends CleanupHelper
{
public static final String TABLE1 = "Keyspace1";
public static final InetAddress LOCAL = FBUtilities.getLocalAddress();
/**
* Test compaction with a very wide row.
*/
@Test
public void testCompactionWide() throws Exception
{
testCompaction(2, 1, 200000);
}
/**
* Test compaction with lots of skinny rows.
*/
@Test
public void testCompactionSlim() throws Exception
{
testCompaction(2, 200000, 1);
}
/**
* Test compaction with lots of small sstables.
*/
@Test
public void testCompactionMany() throws Exception
{
testCompaction(100, 800, 5);
}
protected void testCompaction(int sstableCount, int rowsPerSSTable, int colsPerRow) throws Exception
{
CompactionManager.instance.disableAutoCompaction();
Table table = Table.open(TABLE1);
ColumnFamilyStore store = table.getColumnFamilyStore("Standard1");
ArrayList<SSTableReader> sstables = new ArrayList<SSTableReader>();
for (int k = 0; k < sstableCount; k++)
{
SortedMap<String,ColumnFamily> rows = new TreeMap<String,ColumnFamily>();
for (int j = 0; j < rowsPerSSTable; j++)
{
String key = String.valueOf(j);
IColumn[] cols = new IColumn[colsPerRow];
for (int i = 0; i < colsPerRow; i++)
{
// last sstable has highest timestamps
cols[i] = Util.column(String.valueOf(i), String.valueOf(i), k);
}
rows.put(key, SSTableUtils.createCF(Long.MIN_VALUE, Integer.MIN_VALUE, cols));
}
SSTableReader sstable = SSTableUtils.prepare().write(rows);
sstables.add(sstable);
store.addSSTable(sstable);
}
// give garbage collection a bit of time to catch up
Thread.sleep(1000);
long start = System.currentTimeMillis();
CompactionManager.instance.doCompaction(store, sstables, (int) (System.currentTimeMillis() / 1000) - DatabaseDescriptor.getCFMetaData(TABLE1, "Standard1").getGcGraceSeconds());
System.out.println(String.format("%s: sstables=%d rowsper=%d colsper=%d: %d ms",
this.getClass().getName(),
sstableCount,
rowsPerSSTable,
colsPerRow,
System.currentTimeMillis() - start));
}
}