| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotNull;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HConstants;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.ServerName;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.TableName;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.ClassRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Test;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.experimental.categories.Category;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.slf4j.Logger;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.LoggerFactory;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>public class TestRoundRobinAssignmentOnRestart extends AbstractTestRestartCluster {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> @ClassRule<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> HBaseClassTestRule.forClass(TestRoundRobinAssignmentOnRestart.class);<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private static final Logger LOG =<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> LoggerFactory.getLogger(TestRoundRobinAssignmentOnRestart.class);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> @Override<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> protected boolean splitWALCoordinatedByZk() {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> return true;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> }<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private final int regionNum = 10;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final int rsNum = 2;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> /**<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * This tests retaining assignments on a cluster restart<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> @Test<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public void test() throws Exception {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> UTIL.startMiniCluster(rsNum);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // Turn off balancer<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> UTIL.getMiniHBaseCluster().getMaster().getMasterRpcServices().synchronousBalanceSwitch(false);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> LOG.info("\n\nCreating tables");<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> for (TableName TABLE : TABLES) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> UTIL.createMultiRegionTable(TABLE, FAMILY, regionNum);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // Wait until all regions are assigned<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> for (TableName TABLE : TABLES) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> UTIL.waitTableEnabled(TABLE);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> SingleProcessHBaseCluster cluster = UTIL.getHBaseCluster();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> List<JVMClusterUtil.RegionServerThread> threads = cluster.getLiveRegionServerThreads();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> assertEquals(2, threads.size());<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> ServerName testServer = threads.get(0).getRegionServer().getServerName();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> int port = testServer.getPort();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> List<RegionInfo> regionInfos =<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> cluster.getMaster().getAssignmentManager().getRegionsOnServer(testServer);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> LOG.debug("RegionServer {} has {} regions", testServer, regionInfos.size());<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> assertTrue(regionInfos.size() >= (TABLES.length * regionNum / rsNum));<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // Restart 1 regionserver<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> cluster.stopRegionServer(testServer);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> cluster.waitForRegionServerToStop(testServer, 60000);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> cluster.getConf().setInt(HConstants.REGIONSERVER_PORT, port);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> cluster.startRegionServer();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> HMaster master = UTIL.getMiniHBaseCluster().getMaster();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> List<ServerName> localServers = master.getServerManager().getOnlineServersList();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> ServerName newTestServer = null;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> for (ServerName serverName : localServers) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (serverName.getAddress().equals(testServer.getAddress())) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> newTestServer = serverName;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> break;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> assertNotNull(newTestServer);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // Wait until all regions are assigned<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> for (TableName TABLE : TABLES) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> UTIL.waitTableAvailable(TABLE);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> List<RegionInfo> newRegionInfos =<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> cluster.getMaster().getAssignmentManager().getRegionsOnServer(newTestServer);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> LOG.debug("RegionServer {} has {} regions", newTestServer, newRegionInfos.size());<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> assertTrue("Should not retain all regions when restart",<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> newRegionInfos.size() < regionInfos.size());<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span>}<a name="line.116"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
