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 org.apache.hadoop.hbase.HBaseTestingUtility; 022import org.apache.hadoop.hbase.TableName; 023import org.apache.hadoop.hbase.client.Admin; 024 025/** 026* Action that tries to flush a table. 027*/ 028public class FlushTableAction extends Action { 029 private final long sleepTime; 030 private final TableName tableName; 031 032 public FlushTableAction(TableName tableName) { 033 this(-1, tableName); 034 } 035 036 public FlushTableAction(int sleepTime, TableName tableName) { 037 this.sleepTime = sleepTime; 038 this.tableName = tableName; 039 } 040 041 @Override 042 public void perform() throws Exception { 043 HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility(); 044 Admin admin = util.getAdmin(); 045 046 // Don't try the flush if we're stopping 047 if (context.isStopping()) { 048 return; 049 } 050 051 LOG.info("Performing action: Flush table " + tableName); 052 try { 053 admin.flush(tableName); 054 } catch (Exception ex) { 055 LOG.warn("Flush failed, might be caused by other chaos: " + ex.getMessage()); 056 } 057 if (sleepTime > 0) { 058 Thread.sleep(sleepTime); 059 } 060 } 061}