| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.master, class: TestMergeTableRegionsWhileRSCrash"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.master;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.util.List;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.AfterClass;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Assert;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Test;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.slf4j.Logger;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">049</span><span id="line-49">public class TestMergeTableRegionsWhileRSCrash {</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> @ClassRule</span> |
| <span class="source-line-no">052</span><span id="line-52"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">053</span><span id="line-53"> HBaseClassTestRule.forClass(TestMergeTableRegionsWhileRSCrash.class);</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final Logger LOG =</span> |
| <span class="source-line-no">056</span><span id="line-56"> LoggerFactory.getLogger(TestMergeTableRegionsWhileRSCrash.class);</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> protected static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">059</span><span id="line-59"> private static TableName TABLE_NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static Admin admin;</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">062</span><span id="line-62"> private static byte[] SPLITKEY = Bytes.toBytes("row5");</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static CountDownLatch mergeCommitArrive = new CountDownLatch(1);</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static Table TABLE;</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @BeforeClass</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static void setupCluster() throws Exception {</span> |
| <span class="source-line-no">068</span><span id="line-68"> UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">069</span><span id="line-69"> admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">070</span><span id="line-70"> byte[][] splitKeys = new byte[1][];</span> |
| <span class="source-line-no">071</span><span id="line-71"> splitKeys[0] = SPLITKEY;</span> |
| <span class="source-line-no">072</span><span id="line-72"> TABLE = UTIL.createTable(TABLE_NAME, CF, splitKeys);</span> |
| <span class="source-line-no">073</span><span id="line-73"> UTIL.waitTableAvailable(TABLE_NAME);</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @AfterClass</span> |
| <span class="source-line-no">077</span><span id="line-77"> public static void cleanupTest() throws Exception {</span> |
| <span class="source-line-no">078</span><span id="line-78"> try {</span> |
| <span class="source-line-no">079</span><span id="line-79"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">080</span><span id="line-80"> } catch (Exception e) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> LOG.warn("failure shutting down cluster", e);</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> @Test</span> |
| <span class="source-line-no">086</span><span id="line-86"> public void test() throws Exception {</span> |
| <span class="source-line-no">087</span><span id="line-87"> // write some rows to the table</span> |
| <span class="source-line-no">088</span><span id="line-88"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> byte[] row = Bytes.toBytes("row" + i);</span> |
| <span class="source-line-no">090</span><span id="line-90"> Put put = new Put(row);</span> |
| <span class="source-line-no">091</span><span id="line-91"> put.addColumn(CF, CF, CF);</span> |
| <span class="source-line-no">092</span><span id="line-92"> TABLE.put(put);</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"> MasterProcedureEnv env =</span> |
| <span class="source-line-no">095</span><span id="line-95"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor().getEnvironment();</span> |
| <span class="source-line-no">096</span><span id="line-96"> final ProcedureExecutor<MasterProcedureEnv> executor =</span> |
| <span class="source-line-no">097</span><span id="line-97"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();</span> |
| <span class="source-line-no">098</span><span id="line-98"> List<RegionInfo> regionInfos = admin.getRegions(TABLE_NAME);</span> |
| <span class="source-line-no">099</span><span id="line-99"> MergeTableRegionsProcedure mergeTableRegionsProcedure = new MergeTableRegionsProcedure(env,</span> |
| <span class="source-line-no">100</span><span id="line-100"> new RegionInfo[] { regionInfos.get(0), regionInfos.get(1) }, false);</span> |
| <span class="source-line-no">101</span><span id="line-101"> executor.submitProcedure(mergeTableRegionsProcedure);</span> |
| <span class="source-line-no">102</span><span id="line-102"> UTIL.waitFor(30000,</span> |
| <span class="source-line-no">103</span><span id="line-103"> () -> executor.getProcedures().stream().filter(p -> p instanceof TransitRegionStateProcedure)</span> |
| <span class="source-line-no">104</span><span id="line-104"> .map(p -> (TransitRegionStateProcedure) p)</span> |
| <span class="source-line-no">105</span><span id="line-105"> .anyMatch(p -> TABLE_NAME.equals(p.getTableName())));</span> |
| <span class="source-line-no">106</span><span id="line-106"> UTIL.getMiniHBaseCluster()</span> |
| <span class="source-line-no">107</span><span id="line-107"> .killRegionServer(UTIL.getMiniHBaseCluster().getRegionServer(0).getServerName());</span> |
| <span class="source-line-no">108</span><span id="line-108"> UTIL.getMiniHBaseCluster().startRegionServer();</span> |
| <span class="source-line-no">109</span><span id="line-109"> UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">110</span><span id="line-110"> Scan scan = new Scan();</span> |
| <span class="source-line-no">111</span><span id="line-111"> ResultScanner results = TABLE.getScanner(scan);</span> |
| <span class="source-line-no">112</span><span id="line-112"> int count = 0;</span> |
| <span class="source-line-no">113</span><span id="line-113"> Result result = null;</span> |
| <span class="source-line-no">114</span><span id="line-114"> while ((result = results.next()) != null) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> count++;</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> Assert.assertEquals("There should be 10 rows!", 10, count);</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
