/**
* 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;
import java.io.IOException;
import java.util.Set;
import com.google.common.collect.Sets;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.LoadTestTool;
import org.apache.hadoop.util.ToolRunner;
import org.junit.Assert;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* A base class for tests that do something with the cluster while running
* {@link LoadTestTool} to write and verify some data.
*/
@Category(IntegrationTests.class)
public class IntegrationTestIngest extends IntegrationTestBase {
private static final int SERVER_COUNT = 4; // number of slaves for the smallest cluster
private static final long DEFAULT_RUN_TIME = 20 * 60 * 1000;
protected static String tableName = null;
/** A soft limit on how long we should run */
private static final String RUN_TIME_KEY = "hbase.%s.runtime";
protected static final Log LOG = LogFactory.getLog(IntegrationTestIngest.class);
protected IntegrationTestingUtility util;
protected HBaseCluster cluster;
private LoadTestTool loadTool;
protected void setUp(int numSlavesBase) throws Exception {
tableName = this.getClass().getSimpleName();
util = getTestingUtil(null);
LOG.debug("Initializing/checking cluster has " + numSlavesBase + " servers");
util.initializeCluster(numSlavesBase);
LOG.debug("Done initializing/checking cluster");
cluster = util.getHBaseClusterInterface();
deleteTableIfNecessary();
loadTool = new LoadTestTool();
loadTool.setConf(util.getConfiguration());
// Initialize load test tool before we start breaking things;
// LoadTestTool init, even when it is a no-op, is very fragile.
int ret = loadTool.run(new String[] { "-tn", tableName, "-init_only" });
Assert.assertEquals("Failed to initialize LoadTestTool", 0, ret);
}
@Override
public void setUp() throws Exception {
setUp(SERVER_COUNT);
}
@Override
public void cleanUp() throws Exception {
LOG.debug("Restoring the cluster");
util.restoreCluster();
LOG.debug("Done restoring the cluster");
}
@Override
public int runTestFromCommandLine() throws Exception {
internalRunIngestTest();
return 0;
}
@Test
public void internalRunIngestTest() throws Exception {
runIngestTest(DEFAULT_RUN_TIME, 2500, 10, 1024, 10);
}
@Override
public String getTablename() {
return tableName;
}
@Override
protected Set<String> getColumnFamilies() {
return Sets.newHashSet(Bytes.toString(LoadTestTool.COLUMN_FAMILY));
}
private void deleteTableIfNecessary() throws IOException {
if (util.getHBaseAdmin().tableExists(tableName)) {
util.deleteTable(Bytes.toBytes(tableName));
}
}
protected void runIngestTest(long defaultRunTime, int keysPerServerPerIter,
int colsPerKey, int recordSize, int writeThreads) throws Exception {
LOG.info("Running ingest");
LOG.info("Cluster size:" + util.getHBaseClusterInterface().getClusterStatus().getServersSize());
long start = System.currentTimeMillis();
String runtimeKey = String.format(RUN_TIME_KEY, this.getClass().getSimpleName());
long runtime = util.getConfiguration().getLong(runtimeKey, defaultRunTime);
long startKey = 0;
long numKeys = getNumKeys(keysPerServerPerIter);
while (System.currentTimeMillis() - start < 0.9 * runtime) {
LOG.info("Intended run time: " + (runtime/60000) + " min, left:" +
((runtime - (System.currentTimeMillis() - start))/60000) + " min");
int ret = loadTool.run(new String[] {
"-tn", tableName,
"-write", String.format("%d:%d:%d", colsPerKey, recordSize, writeThreads),
"-start_key", String.valueOf(startKey),
"-num_keys", String.valueOf(numKeys),
"-skip_init"
});
if (0 != ret) {
String errorMsg = "Load failed with error code " + ret;
LOG.error(errorMsg);
Assert.fail(errorMsg);
}
ret = loadTool.run(new String[] {
"-tn", tableName,
"-update", String.format("60:%d", writeThreads),
"-start_key", String.valueOf(startKey),
"-num_keys", String.valueOf(numKeys),
"-skip_init"
});
if (0 != ret) {
String errorMsg = "Update failed with error code " + ret;
LOG.error(errorMsg);
Assert.fail(errorMsg);
}
ret = loadTool.run(new String[] {
"-tn", tableName,
"-read", "100:20",
"-start_key", String.valueOf(startKey),
"-num_keys", String.valueOf(numKeys),
"-skip_init"
});
if (0 != ret) {
String errorMsg = "Verification failed with error code " + ret;
LOG.error(errorMsg);
Assert.fail(errorMsg);
}
startKey += numKeys;
}
}
/** Estimates a data size based on the cluster size */
private long getNumKeys(int keysPerServer)
throws IOException {
int numRegionServers = cluster.getClusterStatus().getServersSize();
return keysPerServer * numRegionServers;
}
public static void main(String[] args) throws Exception {
Configuration conf = HBaseConfiguration.create();
IntegrationTestingUtility.setUseDistributedCluster(conf);
int ret = ToolRunner.run(conf, new IntegrationTestIngest(), args);
System.exit(ret);
}
}