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