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.mapreduce; 019 020import org.apache.hadoop.hbase.HBaseInterfaceAudience; 021import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication; 022import org.apache.hadoop.hbase.mob.mapreduce.MobRefReporter; 023import org.apache.hadoop.hbase.snapshot.ExportSnapshot; 024import org.apache.hadoop.hbase.tool.BulkLoadHFilesTool; 025import org.apache.hadoop.util.ProgramDriver; 026import org.apache.yetus.audience.InterfaceAudience; 027import org.apache.yetus.audience.InterfaceStability; 028 029/** 030 * Driver for hbase mapreduce jobs. Select which to run by passing name of job to this main. 031 */ 032@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS) 033@InterfaceStability.Stable 034public class Driver { 035 private Driver() { 036 } 037 038 public static void main(String[] args) throws Throwable { 039 ProgramDriver pgd = new ProgramDriver(); 040 041 pgd.addClass(RowCounter.NAME, RowCounter.class, "Count rows in HBase table."); 042 pgd.addClass(CellCounter.NAME, CellCounter.class, "Count cells in HBase table."); 043 pgd.addClass(Export.NAME, Export.class, "Write table data to HDFS."); 044 pgd.addClass(Import.NAME, Import.class, "Import data written by Export."); 045 pgd.addClass(ImportTsv.NAME, ImportTsv.class, "Import data in TSV format."); 046 pgd.addClass(BulkLoadHFilesTool.NAME, BulkLoadHFilesTool.class, "Complete a bulk data load."); 047 pgd.addClass(CopyTable.NAME, CopyTable.class, 048 "Export a table from local cluster to peer cluster."); 049 pgd.addClass(VerifyReplication.NAME, VerifyReplication.class, 050 "Compare" + " data from tables in two different clusters. It" 051 + " doesn't work for incrementColumnValues'd cells since" 052 + " timestamp is changed after appending to WAL."); 053 pgd.addClass(WALPlayer.NAME, WALPlayer.class, "Replay WAL files."); 054 pgd.addClass(ExportSnapshot.NAME, ExportSnapshot.class, 055 "Export" + " the specific snapshot to a given FileSystem."); 056 pgd.addClass(MobRefReporter.NAME, MobRefReporter.class, "Check the mob cells in a particular " 057 + "table and cf and confirm that the files they point to are correct."); 058 059 ProgramDriver.class.getMethod("driver", new Class[] { String[].class }).invoke(pgd, 060 new Object[] { args }); 061 } 062}