001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.rsgroup;
019
020import java.util.Arrays;
021import org.apache.hadoop.conf.Configuration;
022import org.apache.hadoop.hbase.HBaseConfiguration;
023import org.apache.hadoop.hbase.HBaseInterfaceAudience;
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.client.Connection;
026import org.apache.hadoop.hbase.client.ConnectionFactory;
027import org.apache.hadoop.hbase.util.compaction.MajorCompactorTTL;
028import org.apache.hadoop.util.ToolRunner;
029import org.apache.yetus.audience.InterfaceAudience;
030import org.slf4j.Logger;
031import org.slf4j.LoggerFactory;
032
033import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;
034import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLineParser;
035import org.apache.hbase.thirdparty.org.apache.commons.cli.DefaultParser;
036import org.apache.hbase.thirdparty.org.apache.commons.cli.Option;
037import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;
038import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;
039
040/**
041 * This script takes an rsgroup as argument and compacts part/all of regions of that table based on
042 * the table's TTL.
043 */
044@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
045public class RSGroupMajorCompactionTTL extends MajorCompactorTTL {
046
047  private static final Logger LOG = LoggerFactory.getLogger(RSGroupMajorCompactionTTL.class);
048
049  @InterfaceAudience.Private
050  RSGroupMajorCompactionTTL() {
051    super();
052  }
053
054  public int compactTTLRegionsOnGroup(Configuration conf, String rsgroup, int concurrency,
055    long sleep, int numServers, int numRegions, boolean dryRun, boolean skipWait) throws Exception {
056
057    Connection conn = ConnectionFactory.createConnection(conf);
058    RSGroupAdmin rsGroupAdmin = new RSGroupAdminClient(conn);
059
060    RSGroupInfo rsGroupInfo = rsGroupAdmin.getRSGroupInfo(rsgroup);
061    if (rsGroupInfo == null) {
062      LOG.error("Invalid rsgroup specified: " + rsgroup);
063      throw new IllegalArgumentException("Invalid rsgroup specified: " + rsgroup);
064    }
065
066    for (TableName tableName : rsGroupInfo.getTables()) {
067      int status = compactRegionsTTLOnTable(conf, tableName.getNameAsString(), concurrency, sleep,
068        numServers, numRegions, dryRun, skipWait);
069      if (status != 0) {
070        LOG.error("Failed to compact table: " + tableName);
071        return status;
072      }
073    }
074    return 0;
075  }
076
077  protected Options getOptions() {
078    Options options = getCommonOptions();
079
080    options.addOption(Option.builder("rsgroup").required().desc("Tables of rsgroup to be compacted")
081      .hasArg().build());
082
083    return options;
084  }
085
086  @Override
087  public int run(String[] args) throws Exception {
088    Options options = getOptions();
089
090    final CommandLineParser cmdLineParser = new DefaultParser();
091    CommandLine commandLine;
092    try {
093      commandLine = cmdLineParser.parse(options, args);
094    } catch (ParseException parseException) {
095      System.out.println("ERROR: Unable to parse command-line arguments " + Arrays.toString(args)
096        + " due to: " + parseException);
097      printUsage(options);
098      return -1;
099    }
100    if (commandLine == null) {
101      System.out.println("ERROR: Failed parse, empty commandLine; " + Arrays.toString(args));
102      printUsage(options);
103      return -1;
104    }
105
106    String rsgroup = commandLine.getOptionValue("rsgroup");
107    int numServers = Integer.parseInt(commandLine.getOptionValue("numservers", "-1"));
108    int numRegions = Integer.parseInt(commandLine.getOptionValue("numregions", "-1"));
109    int concurrency = Integer.parseInt(commandLine.getOptionValue("servers", "1"));
110    long sleep = Long.parseLong(commandLine.getOptionValue("sleep", Long.toString(30000)));
111    boolean dryRun = commandLine.hasOption("dryRun");
112    boolean skipWait = commandLine.hasOption("skipWait");
113    Configuration conf = getConf();
114
115    return compactTTLRegionsOnGroup(conf, rsgroup, concurrency, sleep, numServers, numRegions,
116      dryRun, skipWait);
117  }
118
119  public static void main(String[] args) throws Exception {
120    ToolRunner.run(HBaseConfiguration.create(), new RSGroupMajorCompactionTTL(), args);
121  }
122}