mirror of https://github.com/apache/cassandra
107 lines
3.8 KiB
Java
107 lines
3.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.cassandra.db;
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import java.net.InetAddress;
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import java.util.*;
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import org.apache.cassandra.Util;
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import org.junit.Test;
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import org.apache.cassandra.config.DatabaseDescriptor;
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import org.apache.cassandra.io.sstable.SSTableReader;
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import org.apache.cassandra.io.sstable.SSTableUtils;
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import org.apache.cassandra.CleanupHelper;
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import org.apache.cassandra.utils.FBUtilities;
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import static junit.framework.Assert.assertEquals;
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public class LongCompactionSpeedTest extends CleanupHelper
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{
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public static final String TABLE1 = "Keyspace1";
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public static final InetAddress LOCAL = FBUtilities.getLocalAddress();
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/**
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* Test compaction with a very wide row.
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*/
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@Test
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public void testCompactionWide() throws Exception
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{
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testCompaction(2, 1, 200000);
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}
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/**
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* Test compaction with lots of skinny rows.
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*/
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@Test
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public void testCompactionSlim() throws Exception
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{
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testCompaction(2, 200000, 1);
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}
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/**
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* Test compaction with lots of small sstables.
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*/
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@Test
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public void testCompactionMany() throws Exception
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{
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testCompaction(100, 800, 5);
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}
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protected void testCompaction(int sstableCount, int rowsPerSSTable, int colsPerRow) throws Exception
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{
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CompactionManager.instance.disableAutoCompaction();
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Table table = Table.open(TABLE1);
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ColumnFamilyStore store = table.getColumnFamilyStore("Standard1");
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ArrayList<SSTableReader> sstables = new ArrayList<SSTableReader>();
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for (int k = 0; k < sstableCount; k++)
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{
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SortedMap<String,ColumnFamily> rows = new TreeMap<String,ColumnFamily>();
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for (int j = 0; j < rowsPerSSTable; j++)
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{
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String key = String.valueOf(j);
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IColumn[] cols = new IColumn[colsPerRow];
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for (int i = 0; i < colsPerRow; i++)
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{
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// last sstable has highest timestamps
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cols[i] = Util.column(String.valueOf(i), String.valueOf(i), k);
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}
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rows.put(key, SSTableUtils.createCF(Long.MIN_VALUE, Integer.MIN_VALUE, cols));
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}
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SSTableReader sstable = SSTableUtils.writeSSTable(rows);
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sstables.add(sstable);
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store.addSSTable(sstable);
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}
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// give garbage collection a bit of time to catch up
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Thread.sleep(1000);
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long start = System.currentTimeMillis();
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CompactionManager.instance.doCompaction(store, sstables, (int) (System.currentTimeMillis() / 1000) - DatabaseDescriptor.getCFMetaData(TABLE1, "Standard1").getGcGraceSeconds());
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System.out.println(String.format("%s: sstables=%d rowsper=%d colsper=%d: %d ms",
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this.getClass().getName(),
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sstableCount,
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rowsPerSSTable,
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colsPerRow,
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System.currentTimeMillis() - start));
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}
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}
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