/*
* 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.hadoop.hbase.util;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.LargeTests;
import org.apache.hadoop.hbase.TableNotFoundException;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.io.compress.Compression;
import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
import org.apache.hadoop.hbase.util.test.LoadTestDataGenerator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/**
* A write/read/verify load test on a mini HBase cluster. Tests reading
* and then writing.
*/
@Category(LargeTests.class)
@RunWith(Parameterized.class)
public class TestMiniClusterLoadSequential {
private static final Log LOG = LogFactory.getLog(
TestMiniClusterLoadSequential.class);
protected static final TableName TABLE =
TableName.valueOf("load_test_tbl");
protected static final byte[] CF = Bytes.toBytes("load_test_cf");
protected static final int NUM_THREADS = 8;
protected static final int NUM_RS = 2;
protected static final int TIMEOUT_MS = 180000;
protected static final HBaseTestingUtility TEST_UTIL =
new HBaseTestingUtility();
protected final Configuration conf = TEST_UTIL.getConfiguration();
protected final boolean isMultiPut;
protected final DataBlockEncoding dataBlockEncoding;
protected MultiThreadedWriter writerThreads;
protected MultiThreadedReader readerThreads;
protected int numKeys;
protected Compression.Algorithm compression = Compression.Algorithm.NONE;
public TestMiniClusterLoadSequential(boolean isMultiPut,
DataBlockEncoding dataBlockEncoding) {
this.isMultiPut = isMultiPut;
this.dataBlockEncoding = dataBlockEncoding;
conf.setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 1024 * 1024);
// We don't want any region reassignments by the load balancer during the test.
conf.setFloat(HConstants.LOAD_BALANCER_SLOP_KEY, 10.0f);
}
@Parameters
public static Collection<Object[]> parameters() {
List<Object[]> parameters = new ArrayList<Object[]>();
for (boolean multiPut : new boolean[]{false, true}) {
for (DataBlockEncoding dataBlockEncoding : new DataBlockEncoding[] {
DataBlockEncoding.NONE, DataBlockEncoding.PREFIX }) {
parameters.add(new Object[]{multiPut, dataBlockEncoding});
}
}
return parameters;
}
@Before
public void setUp() throws Exception {
LOG.debug("Test setup: isMultiPut=" + isMultiPut);
TEST_UTIL.startMiniCluster(1, NUM_RS);
}
@After
public void tearDown() throws Exception {
LOG.debug("Test teardown: isMultiPut=" + isMultiPut);
TEST_UTIL.shutdownMiniCluster();
}
protected MultiThreadedReader prepareReaderThreads(LoadTestDataGenerator dataGen,
Configuration conf, TableName tableName, double verifyPercent) throws IOException {
MultiThreadedReader reader = new MultiThreadedReader(dataGen, conf, tableName, verifyPercent);
return reader;
}
protected MultiThreadedWriter prepareWriterThreads(LoadTestDataGenerator dataGen,
Configuration conf, TableName tableName) throws IOException {
MultiThreadedWriter writer = new MultiThreadedWriter(dataGen, conf, tableName);
writer.setMultiPut(isMultiPut);
return writer;
}
@Test(timeout=TIMEOUT_MS)
public void loadTest() throws Exception {
prepareForLoadTest();
runLoadTestOnExistingTable();
}
protected void runLoadTestOnExistingTable() throws IOException {
writerThreads.start(0, numKeys, NUM_THREADS);
writerThreads.waitForFinish();
assertEquals(0, writerThreads.getNumWriteFailures());
readerThreads.start(0, numKeys, NUM_THREADS);
readerThreads.waitForFinish();
assertEquals(0, readerThreads.getNumReadFailures());
assertEquals(0, readerThreads.getNumReadErrors());
assertEquals(numKeys, readerThreads.getNumKeysVerified());
}
protected void createPreSplitLoadTestTable(HTableDescriptor htd, HColumnDescriptor hcd)
throws IOException {
HBaseTestingUtility.createPreSplitLoadTestTable(conf, htd, hcd);
TEST_UTIL.waitUntilAllRegionsAssigned(htd.getTableName());
}
protected void prepareForLoadTest() throws IOException {
LOG.info("Starting load test: dataBlockEncoding=" + dataBlockEncoding +
", isMultiPut=" + isMultiPut);
numKeys = numKeys();
Admin admin = new HBaseAdmin(conf);
while (admin.getClusterStatus().getServers().size() < NUM_RS) {
LOG.info("Sleeping until " + NUM_RS + " RSs are online");
Threads.sleepWithoutInterrupt(1000);
}
admin.close();
HTableDescriptor htd = new HTableDescriptor(TABLE);
HColumnDescriptor hcd = new HColumnDescriptor(CF)
.setCompressionType(compression)
.setDataBlockEncoding(dataBlockEncoding);
createPreSplitLoadTestTable(htd, hcd);
LoadTestDataGenerator dataGen = new MultiThreadedAction.DefaultDataGenerator(CF);
writerThreads = prepareWriterThreads(dataGen, conf, TABLE);
readerThreads = prepareReaderThreads(dataGen, conf, TABLE, 100);
}
protected int numKeys() {
return 1000;
}
protected HColumnDescriptor getColumnDesc(Admin admin)
throws TableNotFoundException, IOException {
return admin.getTableDescriptor(TABLE).getFamily(CF);
}
}