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| <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.client;<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.assertNotEquals;<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.HashSet;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<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.StartTestingClusterOption;<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.TableNameTestRule;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.master.assignment.AssignmentTestingUtil;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.AfterClass;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Rule;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span>/**<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * Base class for testing the scenarios where replicas are enabled for the meta table.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>public class MetaWithReplicasTestBase {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private static final Logger LOG = LoggerFactory.getLogger(MetaWithReplicasTestBase.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> protected static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> protected static final int REGIONSERVERS_COUNT = 3;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> @Rule<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public TableNameTestRule name = new TableNameTestRule();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> protected static void startCluster() throws Exception {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> TEST_UTIL.getConfiguration()<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> .setInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> StartTestingClusterOption option = StartTestingClusterOption.builder()<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> .numAlwaysStandByMasters(1).numMasters(1).numRegionServers(REGIONSERVERS_COUNT).build();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> TEST_UTIL.startMiniCluster(option);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> HBaseTestingUtil.setReplicas(admin, TableName.META_TABLE_NAME, 3);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> AssignmentManager am = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> Set<ServerName> sns = new HashSet<ServerName>();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> ServerName hbaseMetaServerName = am.getRegionStates()<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> .getRegionStateNode(RegionInfoBuilder.FIRST_META_REGIONINFO).getRegionLocation();<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> LOG.info("HBASE:META DEPLOY: on " + hbaseMetaServerName);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> sns.add(hbaseMetaServerName);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> for (int replicaId = 1; replicaId < 3; replicaId++) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> RegionInfo h = RegionReplicaUtil<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> .getRegionInfoForReplica(RegionInfoBuilder.FIRST_META_REGIONINFO, replicaId);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> AssignmentTestingUtil.waitForAssignment(am, h);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> ServerName sn = am.getRegionStates().getRegionServerOfRegion(h);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> assertNotNull(sn);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> LOG.info("HBASE:META DEPLOY: " + h.getRegionNameAsString() + " on " + sn);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> sns.add(sn);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> // Fun. All meta region replicas have ended up on the one server. This will cause this test<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // to fail ... sometimes.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> if (sns.size() == 1) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> int count = TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> assertTrue("count=" + count, count == REGIONSERVERS_COUNT);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> LOG.warn("All hbase:meta replicas are on the one server; moving hbase:meta: " + sns);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> int metaServerIndex = TEST_UTIL.getHBaseCluster().getServerWithMeta();<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> int newServerIndex = metaServerIndex;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> while (newServerIndex == metaServerIndex) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> newServerIndex = (newServerIndex + 1) % REGIONSERVERS_COUNT;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> assertNotEquals(metaServerIndex, newServerIndex);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> ServerName destinationServerName =<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> TEST_UTIL.getHBaseCluster().getRegionServer(newServerIndex).getServerName();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> ServerName metaServerName =<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> TEST_UTIL.getHBaseCluster().getRegionServer(metaServerIndex).getServerName();<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> assertNotEquals(destinationServerName, metaServerName);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> destinationServerName);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // Disable the balancer<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> TEST_UTIL.getAdmin().balancerSwitch(false, true);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> LOG.debug("All meta replicas assigned");<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> @AfterClass<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public static void tearDown() throws Exception {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> TEST_UTIL.shutdownMiniCluster();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span>}<a name="line.106"></a> |
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