| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.accumulo.test; |
| |
| import java.util.SortedSet; |
| import java.util.TreeSet; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.util.threads.ThreadPools; |
| import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl; |
| import org.apache.accumulo.test.functional.ConfigurableMacBase; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Test; |
| |
| // ACCUMULO-3692 |
| public class BalanceWithOfflineTableIT extends ConfigurableMacBase { |
| |
| @Override |
| protected int defaultTimeoutSeconds() { |
| return 120; |
| } |
| |
| @Override |
| protected void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {} |
| |
| @Test |
| public void test() throws Exception { |
| final String[] tableNames = getUniqueNames(2); |
| final String tableName = tableNames[0]; |
| // create a table with a bunch of splits |
| |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| log.info("Creating table {}", tableName); |
| c.tableOperations().create(tableName); |
| final SortedSet<Text> splits = new TreeSet<>(); |
| for (String split : "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z".split(",")) { |
| splits.add(new Text(split)); |
| } |
| log.info("Splitting table {}", tableName); |
| c.tableOperations().addSplits(tableName, splits); |
| log.info("Balancing"); |
| c.instanceOperations().waitForBalance(); |
| log.info("Balanced"); |
| |
| // create a new table which will unbalance the cluster |
| final String table2 = tableNames[1]; |
| log.info("Creating table {}", table2); |
| c.tableOperations().create(table2); |
| log.info("Creating splits {}", table2); |
| c.tableOperations().addSplits(table2, splits); |
| |
| // offline the table, hopefully while there are some migrations going on |
| log.info("Offlining {}", table2); |
| c.tableOperations().offline(table2, true); |
| log.info("Offlined {}", table2); |
| |
| log.info("Waiting for balance"); |
| |
| ExecutorService pool = ThreadPools.createFixedThreadPool(1, "waitForBalance", false); |
| Future<Boolean> wait = pool.submit(() -> { |
| c.instanceOperations().waitForBalance(); |
| return true; |
| }); |
| wait.get((2 * defaultTimeoutSeconds()) / 3, TimeUnit.SECONDS); |
| log.info("Balance succeeded with an offline table"); |
| } |
| } |
| |
| } |