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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/01 15:14:00 UTC
[02/16] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
index 3857e1b..a7756c8 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html
@@ -6,7 +6,7 @@
</head>
<body>
<div class="sourceContainer">
-<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<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>
@@ -27,493 +27,503 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.assertErrors;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck;<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>import static org.junit.Assert.fail;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import edu.umd.cs.findbugs.annotations.Nullable;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Collection;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.EnumSet;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.HashSet;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.Set;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.ExecutorService;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.Abortable;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.ServerName;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.TableName;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.Waiter;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.HBaseFsckRepair;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.hbck.HbckTestingUtil;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.zookeeper.KeeperException;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.junit.After;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.junit.Before;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.junit.ClassRule;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.junit.Ignore;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.junit.Rule;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.junit.Test;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.junit.experimental.categories.Category;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.junit.rules.TestName;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.slf4j.Logger;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.slf4j.LoggerFactory;<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span>/**<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * Tests the scenarios where replicas are enabled for the meta table<a name="line.75"></a>
-<span class="sourceLineNo">076</span> */<a name="line.76"></a>
-<span class="sourceLineNo">077</span>@Category(LargeTests.class)<a name="line.77"></a>
-<span class="sourceLineNo">078</span>public class TestMetaWithReplicas {<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> @ClassRule<a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> HBaseClassTestRule.forClass(TestMetaWithReplicas.class);<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> private static final Logger LOG = LoggerFactory.getLogger(TestMetaWithReplicas.class);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> private final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.85"></a>
-<span class="sourceLineNo">086</span> private static final int REGIONSERVERS_COUNT = 3;<a name="line.86"></a>
-<span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span> @Rule<a name="line.88"></a>
-<span class="sourceLineNo">089</span> public TestName name = new TestName();<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> @Before<a name="line.91"></a>
-<span class="sourceLineNo">092</span> public void setup() throws Exception {<a name="line.92"></a>
-<span class="sourceLineNo">093</span> TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);<a name="line.94"></a>
-<span class="sourceLineNo">095</span> TEST_UTIL.getConfiguration().setInt(<a name="line.95"></a>
-<span class="sourceLineNo">096</span> StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> TEST_UTIL.startMiniCluster(REGIONSERVERS_COUNT);<a name="line.97"></a>
-<span class="sourceLineNo">098</span> AssignmentManager am = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a name="line.98"></a>
-<span class="sourceLineNo">099</span> Set<ServerName> sns = new HashSet<ServerName>();<a name="line.99"></a>
-<span class="sourceLineNo">100</span> for (int replicaId = 0; replicaId < 3; replicaId ++) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> RegionInfo h =<a name="line.101"></a>
-<span class="sourceLineNo">102</span> RegionReplicaUtil.getRegionInfoForReplica(RegionInfoBuilder.FIRST_META_REGIONINFO,<a name="line.102"></a>
-<span class="sourceLineNo">103</span> replicaId);<a name="line.103"></a>
-<span class="sourceLineNo">104</span> try {<a name="line.104"></a>
-<span class="sourceLineNo">105</span> am.waitForAssignment(h);<a name="line.105"></a>
-<span class="sourceLineNo">106</span> ServerName sn = am.getRegionStates().getRegionServerOfRegion(h);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> LOG.info(h.getRegionNameAsString() + " on " + sn);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> sns.add(sn);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> } catch (NoSuchProcedureException e) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.110"></a>
-<span class="sourceLineNo">111</span> }<a name="line.111"></a>
-<span class="sourceLineNo">112</span> }<a name="line.112"></a>
-<span class="sourceLineNo">113</span> // Fun. All meta region replicas have ended up on the one server. This will cause this test<a name="line.113"></a>
-<span class="sourceLineNo">114</span> // to fail ... sometimes.<a name="line.114"></a>
-<span class="sourceLineNo">115</span> if (sns.size() == 1) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> LOG.warn("All hbase:meta replicas are on the one server; moving hbase:meta");<a name="line.116"></a>
-<span class="sourceLineNo">117</span> int metaServerIndex = TEST_UTIL.getHBaseCluster().getServerWithMeta();<a name="line.117"></a>
-<span class="sourceLineNo">118</span> int newServerIndex = (metaServerIndex + 1) % REGIONSERVERS_COUNT;<a name="line.118"></a>
-<span class="sourceLineNo">119</span> ServerName destinationServerName =<a name="line.119"></a>
-<span class="sourceLineNo">120</span> TEST_UTIL.getHBaseCluster().getRegionServer(newServerIndex).getServerName();<a name="line.120"></a>
-<span class="sourceLineNo">121</span> TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(),<a name="line.121"></a>
-<span class="sourceLineNo">122</span> Bytes.toBytes(destinationServerName.toString()));<a name="line.122"></a>
-<span class="sourceLineNo">123</span> }<a name="line.123"></a>
-<span class="sourceLineNo">124</span> // Disable the balancer<a name="line.124"></a>
-<span class="sourceLineNo">125</span> LoadBalancerTracker l = new LoadBalancerTracker(TEST_UTIL.getZooKeeperWatcher(),<a name="line.125"></a>
-<span class="sourceLineNo">126</span> new Abortable() {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> AtomicBoolean aborted = new AtomicBoolean(false);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> @Override<a name="line.128"></a>
-<span class="sourceLineNo">129</span> public boolean isAborted() {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> return aborted.get();<a name="line.130"></a>
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-<span class="sourceLineNo">133</span> public void abort(String why, Throwable e) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> aborted.set(true);<a name="line.134"></a>
-<span class="sourceLineNo">135</span> }<a name="line.135"></a>
-<span class="sourceLineNo">136</span> });<a name="line.136"></a>
-<span class="sourceLineNo">137</span> l.setBalancerOn(false);<a name="line.137"></a>
-<span class="sourceLineNo">138</span> LOG.debug("All meta replicas assigned");<a name="line.138"></a>
-<span class="sourceLineNo">139</span> }<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span> @After<a name="line.141"></a>
-<span class="sourceLineNo">142</span> public void tearDown() throws Exception {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> TEST_UTIL.shutdownMiniCluster();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> }<a name="line.144"></a>
-<span class="sourceLineNo">145</span><a name="line.145"></a>
-<span class="sourceLineNo">146</span> @Test<a name="line.146"></a>
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-<span class="sourceLineNo">148</span> assertTrue(TEST_UTIL.getAdmin().getTableDescriptor(TableName.META_TABLE_NAME)<a name="line.148"></a>
-<span class="sourceLineNo">149</span> .getRegionReplication() == 3);<a name="line.149"></a>
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-<span class="sourceLineNo">154</span> // Checks all the znodes exist when meta's replicas are enabled<a name="line.154"></a>
-<span class="sourceLineNo">155</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.155"></a>
-<span class="sourceLineNo">156</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.156"></a>
-<span class="sourceLineNo">157</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.157"></a>
-<span class="sourceLineNo">158</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.159"></a>
-<span class="sourceLineNo">160</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.160"></a>
-<span class="sourceLineNo">161</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.161"></a>
-<span class="sourceLineNo">162</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.162"></a>
-<span class="sourceLineNo">163</span> ProtobufUtil.toServerName(data);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> for (int i = 1; i < 3; i++) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> String secZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.165"></a>
-<span class="sourceLineNo">166</span> conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> String str = zkw.znodePaths.getZNodeForReplica(i);<a name="line.167"></a>
-<span class="sourceLineNo">168</span> assertTrue(str.equals(secZnode));<a name="line.168"></a>
-<span class="sourceLineNo">169</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.169"></a>
-<span class="sourceLineNo">170</span> data = ZKUtil.getData(zkw, secZnode);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> ProtobufUtil.toServerName(data);<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> @Test<a name="line.175"></a>
-<span class="sourceLineNo">176</span> public void testShutdownHandling() throws Exception {<a name="line.176"></a>
-<span class="sourceLineNo">177</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.177"></a>
-<span class="sourceLineNo">178</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.178"></a>
-<span class="sourceLineNo">179</span> // the test table. The put/get operations would use the replicas to locate the<a name="line.179"></a>
-<span class="sourceLineNo">180</span> // location of the test table's region<a name="line.180"></a>
-<span class="sourceLineNo">181</span> shutdownMetaAndDoValidations(TEST_UTIL);<a name="line.181"></a>
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-<span class="sourceLineNo">184</span> public static void shutdownMetaAndDoValidations(HBaseTestingUtility util) throws Exception {<a name="line.184"></a>
-<span class="sourceLineNo">185</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.185"></a>
-<span class="sourceLineNo">186</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.186"></a>
-<span class="sourceLineNo">187</span> // the test table. The put/get operations would use the replicas to locate the<a name="line.187"></a>
-<span class="sourceLineNo">188</span> // location of the test table's region<a name="line.188"></a>
-<span class="sourceLineNo">189</span> ZKWatcher zkw = util.getZooKeeperWatcher();<a name="line.189"></a>
-<span class="sourceLineNo">190</span> Configuration conf = util.getConfiguration();<a name="line.190"></a>
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-<span class="sourceLineNo">193</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.193"></a>
-<span class="sourceLineNo">194</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.194"></a>
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-<span class="sourceLineNo">196</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.196"></a>
-<span class="sourceLineNo">197</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.197"></a>
-<span class="sourceLineNo">198</span> ServerName primary = ProtobufUtil.toServerName(data);<a name="line.198"></a>
-<span class="sourceLineNo">199</span> LOG.info("Primary=" + primary.toString());<a name="line.199"></a>
-<span class="sourceLineNo">200</span><a name="line.200"></a>
-<span class="sourceLineNo">201</span> TableName TABLE = TableName.valueOf("testShutdownHandling");<a name="line.201"></a>
-<span class="sourceLineNo">202</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.202"></a>
-<span class="sourceLineNo">203</span> if (util.getAdmin().tableExists(TABLE)) {<a name="line.203"></a>
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-<span class="sourceLineNo">205</span> util.getAdmin().deleteTable(TABLE);<a name="line.205"></a>
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-<span class="sourceLineNo">207</span> ServerName master = null;<a name="line.207"></a>
-<span class="sourceLineNo">208</span> try (Connection c = ConnectionFactory.createConnection(util.getConfiguration())) {<a name="line.208"></a>
-<span class="sourceLineNo">209</span> try (Table htable = util.createTable(TABLE, FAMILIES)) {<a name="line.209"></a>
-<span class="sourceLineNo">210</span> util.getAdmin().flush(TableName.META_TABLE_NAME);<a name="line.210"></a>
-<span class="sourceLineNo">211</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.211"></a>
-<span class="sourceLineNo">212</span> 30000) * 6);<a name="line.212"></a>
-<span class="sourceLineNo">213</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.213"></a>
-<span class="sourceLineNo">214</span> HRegionLocation hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.214"></a>
-<span class="sourceLineNo">215</span> // Ensure that the primary server for test table is not the same one as the primary<a name="line.215"></a>
-<span class="sourceLineNo">216</span> // of the meta region since we will be killing the srv holding the meta's primary...<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // We want to be able to write to the test table even when the meta is not present ..<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // If the servers are the same, then move the test table's region out of the server<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to another random server<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (hrl.getServerName().equals(primary)) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> util.getAdmin().move(hrl.getRegionInfo().getEncodedNameAsBytes(), null);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> // wait for the move to complete<a name="line.222"></a>
-<span class="sourceLineNo">223</span> do {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> Thread.sleep(10);<a name="line.224"></a>
-<span class="sourceLineNo">225</span> hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.225"></a>
-<span class="sourceLineNo">226</span> } while (primary.equals(hrl.getServerName()));<a name="line.226"></a>
-<span class="sourceLineNo">227</span> util.getAdmin().flush(TableName.META_TABLE_NAME);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.228"></a>
-<span class="sourceLineNo">229</span> 30000) * 3);<a name="line.229"></a>
-<span class="sourceLineNo">230</span> }<a name="line.230"></a>
-<span class="sourceLineNo">231</span> // Ensure all metas are not on same hbase:meta replica=0 server!<a name="line.231"></a>
-<span class="sourceLineNo">232</span><a name="line.232"></a>
-<span class="sourceLineNo">233</span> master = util.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.233"></a>
-<span class="sourceLineNo">234</span> // kill the master so that regionserver recovery is not triggered at all<a name="line.234"></a>
-<span class="sourceLineNo">235</span> // for the meta server<a name="line.235"></a>
-<span class="sourceLineNo">236</span> LOG.info("Stopping master=" + master.toString());<a name="line.236"></a>
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-<span class="sourceLineNo">238</span> util.getHBaseClusterInterface().waitForMasterToStop(master, 60000);<a name="line.238"></a>
-<span class="sourceLineNo">239</span> LOG.info("Master " + master + " stopped!");<a name="line.239"></a>
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-<span class="sourceLineNo">243</span> }<a name="line.243"></a>
-<span class="sourceLineNo">244</span> ((ClusterConnection)c).clearRegionCache();<a name="line.244"></a>
-<span class="sourceLineNo">245</span> }<a name="line.245"></a>
-<span class="sourceLineNo">246</span> LOG.info("Running GETs");<a name="line.246"></a>
-<span class="sourceLineNo">247</span> Get get = null;<a name="line.247"></a>
-<span class="sourceLineNo">248</span> Result r = null;<a name="line.248"></a>
-<span class="sourceLineNo">249</span> byte[] row = "test".getBytes();<a name="line.249"></a>
-<span class="sourceLineNo">250</span> try (Table htable = c.getTable(TABLE)) {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> Put put = new Put(row);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> put.addColumn("foo".getBytes(), row, row);<a name="line.252"></a>
-<span class="sourceLineNo">253</span> BufferedMutator m = c.getBufferedMutator(TABLE);<a name="line.253"></a>
-<span class="sourceLineNo">254</span> m.mutate(put);<a name="line.254"></a>
-<span class="sourceLineNo">255</span> m.flush();<a name="line.255"></a>
-<span class="sourceLineNo">256</span> // Try to do a get of the row that was just put<a name="line.256"></a>
-<span class="sourceLineNo">257</span> get = new Get(row);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> r = htable.get(get);<a name="line.258"></a>
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-<span class="sourceLineNo">260</span> // now start back the killed servers and disable use of replicas. That would mean<a name="line.260"></a>
-<span class="sourceLineNo">261</span> // calls go to the primary<a name="line.261"></a>
-<span class="sourceLineNo">262</span> LOG.info("Starting Master");<a name="line.262"></a>
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-<span class="sourceLineNo">266</span> LOG.info("Master active!");<a name="line.266"></a>
-<span class="sourceLineNo">267</span> ((ClusterConnection)c).clearRegionCache();<a name="line.267"></a>
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-<span class="sourceLineNo">272</span> r = htable.get(get);<a name="line.272"></a>
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-<span class="sourceLineNo">274</span> }<a name="line.274"></a>
-<span class="sourceLineNo">275</span> }<a name="line.275"></a>
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-<span class="sourceLineNo">284</span> TEST_UTIL.getAdmin().deleteTable(tableName);<a name="line.284"></a>
+<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNotEquals;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import edu.umd.cs.findbugs.annotations.Nullable;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Arrays;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.Collection;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.EnumSet;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.HashSet;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.List;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.Set;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.ExecutorService;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.Abortable;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HConstants;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ServerName;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableName;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.Waiter;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.HBaseFsckRepair;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.hbck.HbckTestingUtil;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.zookeeper.KeeperException;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.junit.After;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.junit.Before;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.junit.ClassRule;<a name="line.66"></a>
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+<span class="sourceLineNo">068</span>import org.junit.Rule;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.junit.Test;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.junit.experimental.categories.Category;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.junit.rules.TestName;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.slf4j.Logger;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.slf4j.LoggerFactory;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span>/**<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * Tests the scenarios where replicas are enabled for the meta table<a name="line.76"></a>
+<span class="sourceLineNo">077</span> */<a name="line.77"></a>
+<span class="sourceLineNo">078</span>@Category(LargeTests.class)<a name="line.78"></a>
+<span class="sourceLineNo">079</span>public class TestMetaWithReplicas {<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span> @ClassRule<a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> HBaseClassTestRule.forClass(TestMetaWithReplicas.class);<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span> private static final Logger LOG = LoggerFactory.getLogger(TestMetaWithReplicas.class);<a name="line.85"></a>
+<span class="sourceLineNo">086</span> private final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.86"></a>
+<span class="sourceLineNo">087</span> private static final int REGIONSERVERS_COUNT = 3;<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span> @Rule<a name="line.89"></a>
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+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> @Before<a name="line.92"></a>
+<span class="sourceLineNo">093</span> public void setup() throws Exception {<a name="line.93"></a>
+<span class="sourceLineNo">094</span> TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);<a name="line.95"></a>
+<span class="sourceLineNo">096</span> TEST_UTIL.getConfiguration().setInt(<a name="line.96"></a>
+<span class="sourceLineNo">097</span> StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.97"></a>
+<span class="sourceLineNo">098</span> TEST_UTIL.startMiniCluster(REGIONSERVERS_COUNT);<a name="line.98"></a>
+<span class="sourceLineNo">099</span> AssignmentManager am = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a name="line.99"></a>
+<span class="sourceLineNo">100</span> Set<ServerName> sns = new HashSet<ServerName>();<a name="line.100"></a>
+<span class="sourceLineNo">101</span> for (int replicaId = 0; replicaId < 3; replicaId ++) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> RegionInfo h =<a name="line.102"></a>
+<span class="sourceLineNo">103</span> RegionReplicaUtil.getRegionInfoForReplica(RegionInfoBuilder.FIRST_META_REGIONINFO,<a name="line.103"></a>
+<span class="sourceLineNo">104</span> replicaId);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> try {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> am.waitForAssignment(h);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> ServerName sn = am.getRegionStates().getRegionServerOfRegion(h);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> LOG.info(h.getRegionNameAsString() + " on " + sn);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> sns.add(sn);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> } catch (NoSuchProcedureException e) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.111"></a>
+<span class="sourceLineNo">112</span> }<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span> // Fun. All meta region replicas have ended up on the one server. This will cause this test<a name="line.114"></a>
+<span class="sourceLineNo">115</span> // to fail ... sometimes.<a name="line.115"></a>
+<span class="sourceLineNo">116</span> if (sns.size() == 1) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> int count = TEST_UTIL.getMiniHBaseCluster().getLiveRegionServerThreads().size();<a name="line.117"></a>
+<span class="sourceLineNo">118</span> assertTrue("count=" + count, count == REGIONSERVERS_COUNT);<a name="line.118"></a>
+<span class="sourceLineNo">119</span> LOG.warn("All hbase:meta replicas are on the one server; moving hbase:meta");<a name="line.119"></a>
+<span class="sourceLineNo">120</span> int metaServerIndex = TEST_UTIL.getHBaseCluster().getServerWithMeta();<a name="line.120"></a>
+<span class="sourceLineNo">121</span> int newServerIndex = metaServerIndex;<a name="line.121"></a>
+<span class="sourceLineNo">122</span> while (newServerIndex == metaServerIndex) {<a name="line.122"></a>
+<span class="sourceLineNo">123</span> newServerIndex = (newServerIndex + 1) % REGIONSERVERS_COUNT;<a name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span> assertNotEquals(metaServerIndex, newServerIndex);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> ServerName destinationServerName =<a name="line.126"></a>
+<span class="sourceLineNo">127</span> TEST_UTIL.getHBaseCluster().getRegionServer(newServerIndex).getServerName();<a name="line.127"></a>
+<span class="sourceLineNo">128</span> ServerName metaServerName =<a name="line.128"></a>
+<span class="sourceLineNo">129</span> TEST_UTIL.getHBaseCluster().getRegionServer(metaServerIndex).getServerName();<a name="line.129"></a>
+<span class="sourceLineNo">130</span> assertNotEquals(destinationServerName, metaServerName);<a name="line.130"></a>
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+<span class="sourceLineNo">132</span> Bytes.toBytes(destinationServerName.toString()));<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> // Disable the balancer<a name="line.134"></a>
+<span class="sourceLineNo">135</span> LoadBalancerTracker l = new LoadBalancerTracker(TEST_UTIL.getZooKeeperWatcher(),<a name="line.135"></a>
+<span class="sourceLineNo">136</span> new Abortable() {<a name="line.136"></a>
+<span class="sourceLineNo">137</span> AtomicBoolean aborted = new AtomicBoolean(false);<a name="line.137"></a>
+<span class="sourceLineNo">138</span> @Override<a name="line.138"></a>
+<span class="sourceLineNo">139</span> public boolean isAborted() {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> return aborted.get();<a name="line.140"></a>
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+<span class="sourceLineNo">143</span> public void abort(String why, Throwable e) {<a name="line.143"></a>
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+<span class="sourceLineNo">146</span> });<a name="line.146"></a>
+<span class="sourceLineNo">147</span> l.setBalancerOn(false);<a name="line.147"></a>
+<span class="sourceLineNo">148</span> LOG.debug("All meta replicas assigned");<a name="line.148"></a>
+<span class="sourceLineNo">149</span> }<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span> @After<a name="line.151"></a>
+<span class="sourceLineNo">152</span> public void tearDown() throws Exception {<a name="line.152"></a>
+<span class="sourceLineNo">153</span> TEST_UTIL.shutdownMiniCluster();<a name="line.153"></a>
+<span class="sourceLineNo">154</span> }<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span> @Test<a name="line.156"></a>
+<span class="sourceLineNo">157</span> public void testMetaHTDReplicaCount() throws Exception {<a name="line.157"></a>
+<span class="sourceLineNo">158</span> assertTrue(TEST_UTIL.getAdmin().getTableDescriptor(TableName.META_TABLE_NAME)<a name="line.158"></a>
+<span class="sourceLineNo">159</span> .getRegionReplication() == 3);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
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+<span class="sourceLineNo">163</span> public void testZookeeperNodesForReplicas() throws Exception {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> // Checks all the znodes exist when meta's replicas are enabled<a name="line.164"></a>
+<span class="sourceLineNo">165</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.165"></a>
+<span class="sourceLineNo">166</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.166"></a>
+<span class="sourceLineNo">167</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.167"></a>
+<span class="sourceLineNo">168</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.169"></a>
+<span class="sourceLineNo">170</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.170"></a>
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+<span class="sourceLineNo">172</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.172"></a>
+<span class="sourceLineNo">173</span> ProtobufUtil.toServerName(data);<a name="line.173"></a>
+<span class="sourceLineNo">174</span> for (int i = 1; i < 3; i++) {<a name="line.174"></a>
+<span class="sourceLineNo">175</span> String secZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.175"></a>
+<span class="sourceLineNo">176</span> conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);<a name="line.176"></a>
+<span class="sourceLineNo">177</span> String str = zkw.znodePaths.getZNodeForReplica(i);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> assertTrue(str.equals(secZnode));<a name="line.178"></a>
+<span class="sourceLineNo">179</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.179"></a>
+<span class="sourceLineNo">180</span> data = ZKUtil.getData(zkw, secZnode);<a name="line.180"></a>
+<span class="sourceLineNo">181</span> ProtobufUtil.toServerName(data);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> }<a name="line.183"></a>
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+<span class="sourceLineNo">185</span> @Test<a name="line.185"></a>
+<span class="sourceLineNo">186</span> public void testShutdownHandling() throws Exception {<a name="line.186"></a>
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+<span class="sourceLineNo">188</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.188"></a>
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+<span class="sourceLineNo">223</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.223"></a>
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+<span class="sourceLineNo">232</span> // wait for the move to complete<a name="line.232"></a>
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+<span class="sourceLineNo">245</span> // for the meta server<a name="line.245"></a>
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+<span class="sourceLineNo">258</span> Result r = null;<a name="line.258"></a>
+<span class="sourceLineNo">259</span> byte[] row = "test".getBytes();<a name="line.259"></a>
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