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 */ 018 019package org.apache.hadoop.hbase.chaos.actions; 020 021import java.util.Random; 022 023import org.apache.hadoop.hbase.TableName; 024import org.apache.hadoop.hbase.regionserver.BloomType; 025import org.apache.hadoop.hbase.util.BloomFilterUtil; 026import org.slf4j.Logger; 027import org.slf4j.LoggerFactory; 028 029/** 030 * Action that tries to adjust the bloom filter setting on all the columns of a 031 * table 032 */ 033public class ChangeBloomFilterAction extends Action { 034 private final long sleepTime; 035 private final TableName tableName; 036 private static final Logger LOG = LoggerFactory.getLogger(ChangeBloomFilterAction.class); 037 038 public ChangeBloomFilterAction(TableName tableName) { 039 this(-1, tableName); 040 } 041 042 public ChangeBloomFilterAction(int sleepTime, TableName tableName) { 043 this.sleepTime = sleepTime; 044 this.tableName = tableName; 045 } 046 047 @Override 048 public void perform() throws Exception { 049 final Random random = new Random(); 050 final BloomType[] bloomArray = BloomType.values(); 051 final int bloomArraySize = bloomArray.length; 052 053 LOG.info("Performing action: Change bloom filter on all columns of table " + tableName); 054 055 modifyAllTableColumns(tableName, (columnName, columnBuilder) -> { 056 BloomType bloomType = bloomArray[random.nextInt(bloomArraySize)]; 057 LOG.debug("Performing action: About to set bloom filter type to " 058 + bloomType + " on column " + columnName + " of table " + tableName); 059 columnBuilder.setBloomFilterType(bloomType); 060 if (bloomType == BloomType.ROWPREFIX_FIXED_LENGTH) { 061 columnBuilder.setConfiguration(BloomFilterUtil.PREFIX_LENGTH_KEY, "10"); 062 } 063 }); 064 065 LOG.debug("Performing action: Just set bloom filter types on table " + tableName); 066 } 067}