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From git-site-r...@apache.org
Subject [09/51] [partial] hbase-site git commit: Published site at .
Date Fri, 19 Jan 2018 15:31:00 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/14db89d7/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestAssignmentManager.HangThenRSCrashExecutor.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestAssignmentManager.HangThenRSCrashExecutor.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestAssignmentManager.HangThenRSCrashExecutor.html
index f1db5ca..d8515d7 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestAssignmentManager.HangThenRSCrashExecutor.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/assignment/TestAssignmentManager.HangThenRSCrashExecutor.html
@@ -32,813 +32,820 @@
 <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 java.io.IOException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.net.SocketTimeoutException;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.NavigableMap;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Random;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.Set;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.SortedSet;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.ConcurrentSkipListSet;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.concurrent.ExecutionException;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.concurrent.Executors;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.concurrent.Future;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.concurrent.TimeUnit;<a name="line.38"></a>
-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.CategoryBasedTimeout;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.NotServingRegionException;<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.client.RegionInfo;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RetriesExhaustedException;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.master.procedure.ProcedureSyncWait;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.procedure.RSProcedureDispatcher;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.procedure2.ProcedureMetrics;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.regionserver.RegionServerAbortedException;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.junit.After;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.junit.Before;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.junit.Ignore;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.junit.Rule;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.junit.Test;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.junit.experimental.categories.Category;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.junit.rules.ExpectedException;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import org.junit.rules.TestName;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import org.junit.rules.TestRule;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>import org.slf4j.Logger;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>import org.slf4j.LoggerFactory;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.80"></a>
-<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionRequest;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionResponse;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ExecuteProceduresRequest;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ExecuteProceduresResponse;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionRequest;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionRequest.RegionOpenInfo;<a name="line.86"></a>
-<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionResponse;<a name="line.87"></a>
-<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionResponse.RegionOpeningState;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition;<a name="line.89"></a>
-<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.90"></a>
-<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.91"></a>
-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span>@Category({MasterTests.class, MediumTests.class})<a name="line.93"></a>
-<span class="sourceLineNo">094</span>public class TestAssignmentManager {<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  private static final Logger LOG = LoggerFactory.getLogger(TestAssignmentManager.class);<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span>  @Rule public TestName name = new TestName();<a name="line.97"></a>
-<span class="sourceLineNo">098</span>  @Rule public final TestRule timeout =<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      CategoryBasedTimeout.builder().withTimeout(this.getClass()).<a name="line.99"></a>
-<span class="sourceLineNo">100</span>        withLookingForStuckThread(true).build();<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  @Rule public final ExpectedException exception = ExpectedException.none();<a name="line.101"></a>
-<span class="sourceLineNo">102</span><a name="line.102"></a>
-<span class="sourceLineNo">103</span>  private static final int PROC_NTHREADS = 64;<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  private static final int NREGIONS = 1 * 1000;<a name="line.104"></a>
-<span class="sourceLineNo">105</span>  private static final int NSERVERS = Math.max(1, NREGIONS / 100);<a name="line.105"></a>
-<span class="sourceLineNo">106</span><a name="line.106"></a>
-<span class="sourceLineNo">107</span>  private HBaseTestingUtility UTIL;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  private MockRSProcedureDispatcher rsDispatcher;<a name="line.108"></a>
-<span class="sourceLineNo">109</span>  private MockMasterServices master;<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  private AssignmentManager am;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  private NavigableMap&lt;ServerName, SortedSet&lt;byte []&gt;&gt; regionsToRegionServers =<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      new ConcurrentSkipListMap&lt;ServerName, SortedSet&lt;byte []&gt;&gt;();<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  // Simple executor to run some simple tasks.<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  private ScheduledExecutorService executor;<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span>  private ProcedureMetrics assignProcMetrics;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  private ProcedureMetrics unassignProcMetrics;<a name="line.117"></a>
-<span class="sourceLineNo">118</span><a name="line.118"></a>
-<span class="sourceLineNo">119</span>  private long assignSubmittedCount = 0;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  private long assignFailedCount = 0;<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  private long unassignSubmittedCount = 0;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  private long unassignFailedCount = 0;<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span>  private void setupConfiguration(Configuration conf) throws Exception {<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    FSUtils.setRootDir(conf, UTIL.getDataTestDir());<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    conf.setBoolean(WALProcedureStore.USE_HSYNC_CONF_KEY, false);<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    conf.setInt(WALProcedureStore.SYNC_WAIT_MSEC_CONF_KEY, 10);<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    conf.setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, PROC_NTHREADS);<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    conf.setInt(RSProcedureDispatcher.RS_RPC_STARTUP_WAIT_TIME_CONF_KEY, 1000);<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    conf.setInt(AssignmentManager.ASSIGN_MAX_ATTEMPTS, 100); // Have many so we succeed eventually.<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  }<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>  @Before<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  public void setUp() throws Exception {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    UTIL = new HBaseTestingUtility();<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    this.executor = Executors.newSingleThreadScheduledExecutor();<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    setupConfiguration(UTIL.getConfiguration());<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    master = new MockMasterServices(UTIL.getConfiguration(), this.regionsToRegionServers);<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    rsDispatcher = new MockRSProcedureDispatcher(master);<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    master.start(NSERVERS, rsDispatcher);<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    am = master.getAssignmentManager();<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    assignProcMetrics = am.getAssignmentManagerMetrics().getAssignProcMetrics();<a name="line.142"></a>
-<span class="sourceLineNo">143</span>    unassignProcMetrics = am.getAssignmentManagerMetrics().getUnassignProcMetrics();<a name="line.143"></a>
-<span class="sourceLineNo">144</span>    setUpMeta();<a name="line.144"></a>
-<span class="sourceLineNo">145</span>  }<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span>  private void setUpMeta() throws Exception {<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    rsDispatcher.setMockRsExecutor(new GoodRsExecutor());<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    am.assign(RegionInfoBuilder.FIRST_META_REGIONINFO);<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    am.wakeMetaLoadedEvent();<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    am.setFailoverCleanupDone(true);<a name="line.151"></a>
-<span class="sourceLineNo">152</span>  }<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span>  @After<a name="line.154"></a>
-<span class="sourceLineNo">155</span>  public void tearDown() throws Exception {<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    master.stop("tearDown");<a name="line.156"></a>
-<span class="sourceLineNo">157</span>    this.executor.shutdownNow();<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  }<a name="line.158"></a>
-<span class="sourceLineNo">159</span><a name="line.159"></a>
-<span class="sourceLineNo">160</span>  @Test (expected=NullPointerException.class)<a name="line.160"></a>
-<span class="sourceLineNo">161</span>  public void testWaitServerReportEventWithNullServer() throws UnexpectedStateException {<a name="line.161"></a>
-<span class="sourceLineNo">162</span>    // Test what happens if we pass in null server. I'd expect it throws NPE.<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    if (this.am.waitServerReportEvent(null, null)) throw new UnexpectedStateException();<a name="line.163"></a>
-<span class="sourceLineNo">164</span>  }<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span>  @Test<a name="line.166"></a>
-<span class="sourceLineNo">167</span>  public void testAssignWithGoodExec() throws Exception {<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    // collect AM metrics before test<a name="line.168"></a>
-<span class="sourceLineNo">169</span>    collectAssignmentManagerMetrics();<a name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span>    testAssign(new GoodRsExecutor());<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span>    assertEquals(assignSubmittedCount + NREGIONS,<a name="line.173"></a>
-<span class="sourceLineNo">174</span>        assignProcMetrics.getSubmittedCounter().getCount());<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    assertEquals(assignFailedCount, assignProcMetrics.getFailedCounter().getCount());<a name="line.175"></a>
-<span class="sourceLineNo">176</span>  }<a name="line.176"></a>
-<span class="sourceLineNo">177</span><a name="line.177"></a>
-<span class="sourceLineNo">178</span>  @Test<a name="line.178"></a>
-<span class="sourceLineNo">179</span>  public void testAssignAndCrashBeforeResponse() throws Exception {<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    final TableName tableName = TableName.valueOf("testAssignAndCrashBeforeResponse");<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    rsDispatcher.setMockRsExecutor(new HangThenRSCrashExecutor());<a name="line.182"></a>
-<span class="sourceLineNo">183</span>    AssignProcedure proc = am.createAssignProcedure(hri);<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    waitOnFuture(submitProcedure(proc));<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  }<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span>  @Test<a name="line.187"></a>
-<span class="sourceLineNo">188</span>  public void testUnassignAndCrashBeforeResponse() throws Exception {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    final TableName tableName = TableName.valueOf("testAssignAndCrashBeforeResponse");<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>    rsDispatcher.setMockRsExecutor(new HangOnCloseThenRSCrashExecutor());<a name="line.191"></a>
-<span class="sourceLineNo">192</span>    for (int i = 0; i &lt; HangOnCloseThenRSCrashExecutor.TYPES_OF_FAILURE; i++) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span>      AssignProcedure assign = am.createAssignProcedure(hri);<a name="line.193"></a>
-<span class="sourceLineNo">194</span>      waitOnFuture(submitProcedure(assign));<a name="line.194"></a>
-<span class="sourceLineNo">195</span>      UnassignProcedure unassign = am.createUnassignProcedure(hri,<a name="line.195"></a>
-<span class="sourceLineNo">196</span>          am.getRegionStates().getRegionServerOfRegion(hri), false);<a name="line.196"></a>
-<span class="sourceLineNo">197</span>      waitOnFuture(submitProcedure(unassign));<a name="line.197"></a>
-<span class="sourceLineNo">198</span>    }<a name="line.198"></a>
-<span class="sourceLineNo">199</span>  }<a name="line.199"></a>
-<span class="sourceLineNo">200</span><a name="line.200"></a>
-<span class="sourceLineNo">201</span>  @Test<a name="line.201"></a>
-<span class="sourceLineNo">202</span>  public void testAssignWithRandExec() throws Exception {<a name="line.202"></a>
-<span class="sourceLineNo">203</span>    final TableName tableName = TableName.valueOf("testAssignWithRandExec");<a name="line.203"></a>
-<span class="sourceLineNo">204</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.204"></a>
-<span class="sourceLineNo">205</span><a name="line.205"></a>
-<span class="sourceLineNo">206</span>    rsDispatcher.setMockRsExecutor(new RandRsExecutor());<a name="line.206"></a>
-<span class="sourceLineNo">207</span>    // Loop a bunch of times so we hit various combos of exceptions.<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    for (int i = 0; i &lt; 10; i++) {<a name="line.208"></a>
-<span class="sourceLineNo">209</span>      LOG.info("" + i);<a name="line.209"></a>
-<span class="sourceLineNo">210</span>      AssignProcedure proc = am.createAssignProcedure(hri);<a name="line.210"></a>
-<span class="sourceLineNo">211</span>      waitOnFuture(submitProcedure(proc));<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    }<a name="line.212"></a>
-<span class="sourceLineNo">213</span>  }<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span>  @Ignore @Test // Disabled for now. Since HBASE-18551, this mock is insufficient.<a name="line.215"></a>
-<span class="sourceLineNo">216</span>  public void testSocketTimeout() throws Exception {<a name="line.216"></a>
-<span class="sourceLineNo">217</span>    final TableName tableName = TableName.valueOf(this.name.getMethodName());<a name="line.217"></a>
-<span class="sourceLineNo">218</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.218"></a>
-<span class="sourceLineNo">219</span><a name="line.219"></a>
-<span class="sourceLineNo">220</span>    // collect AM metrics before test<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    collectAssignmentManagerMetrics();<a name="line.221"></a>
-<span class="sourceLineNo">222</span><a name="line.222"></a>
-<span class="sourceLineNo">223</span>    rsDispatcher.setMockRsExecutor(new SocketTimeoutRsExecutor(20, 3));<a name="line.223"></a>
-<span class="sourceLineNo">224</span>    waitOnFuture(submitProcedure(am.createAssignProcedure(hri)));<a name="line.224"></a>
-<span class="sourceLineNo">225</span><a name="line.225"></a>
-<span class="sourceLineNo">226</span>    rsDispatcher.setMockRsExecutor(new SocketTimeoutRsExecutor(20, 1));<a name="line.226"></a>
-<span class="sourceLineNo">227</span>    // exception.expect(ServerCrashException.class);<a name="line.227"></a>
-<span class="sourceLineNo">228</span>    waitOnFuture(submitProcedure(am.createUnassignProcedure(hri, null, false)));<a name="line.228"></a>
-<span class="sourceLineNo">229</span><a name="line.229"></a>
-<span class="sourceLineNo">230</span>    assertEquals(assignSubmittedCount + 1, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    assertEquals(assignFailedCount, assignProcMetrics.getFailedCounter().getCount());<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    assertEquals(unassignSubmittedCount + 1, unassignProcMetrics.getSubmittedCounter().getCount());<a name="line.232"></a>
-<span class="sourceLineNo">233</span>    assertEquals(unassignFailedCount + 1, unassignProcMetrics.getFailedCounter().getCount());<a name="line.233"></a>
-<span class="sourceLineNo">234</span>  }<a name="line.234"></a>
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-<span class="sourceLineNo">236</span>  @Test<a name="line.236"></a>
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-<span class="sourceLineNo">245</span><a name="line.245"></a>
-<span class="sourceLineNo">246</span>    // collect AM metrics before test<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    collectAssignmentManagerMetrics();<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span>    // Test Assign operation failure<a name="line.249"></a>
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-<span class="sourceLineNo">251</span>    try {<a name="line.251"></a>
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-<span class="sourceLineNo">253</span>      fail("unexpected assign completion");<a name="line.253"></a>
-<span class="sourceLineNo">254</span>    } catch (RetriesExhaustedException e) {<a name="line.254"></a>
-<span class="sourceLineNo">255</span>      // expected exception<a name="line.255"></a>
-<span class="sourceLineNo">256</span>      LOG.info("expected exception from assign operation: " + e.getMessage(), e);<a name="line.256"></a>
-<span class="sourceLineNo">257</span>    }<a name="line.257"></a>
-<span class="sourceLineNo">258</span><a name="line.258"></a>
-<span class="sourceLineNo">259</span>    // Assign the region (without problems)<a name="line.259"></a>
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-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span>    // TODO: Currently unassign just keeps trying until it sees a server crash.<a name="line.263"></a>
-<span class="sourceLineNo">264</span>    // There is no count on unassign.<a name="line.264"></a>
-<span class="sourceLineNo">265</span>    /*<a name="line.265"></a>
-<span class="sourceLineNo">266</span>    // Test Unassign operation failure<a name="line.266"></a>
-<span class="sourceLineNo">267</span>    rsDispatcher.setMockRsExecutor(executor);<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    waitOnFuture(submitProcedure(am.createUnassignProcedure(hri, null, false)));<a name="line.268"></a>
-<span class="sourceLineNo">269</span><a name="line.269"></a>
-<span class="sourceLineNo">270</span>    assertEquals(assignSubmittedCount + 2, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.270"></a>
-<span class="sourceLineNo">271</span>    assertEquals(assignFailedCount + 1, assignProcMetrics.getFailedCounter().getCount());<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    assertEquals(unassignSubmittedCount + 1, unassignProcMetrics.getSubmittedCounter().getCount());<a name="line.272"></a>
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-<span class="sourceLineNo">274</span>    // TODO: We supposed to have 1 failed assign, 1 successful assign and a failed unassign<a name="line.274"></a>
-<span class="sourceLineNo">275</span>    // operation. But ProcV2 framework marks aborted unassign operation as success. Fix it!<a name="line.275"></a>
-<span class="sourceLineNo">276</span>    assertEquals(unassignFailedCount, unassignProcMetrics.getFailedCounter().getCount());<a name="line.276"></a>
-<span class="sourceLineNo">277</span>    */<a name="line.277"></a>
-<span class="sourceLineNo">278</span>  }<a name="line.278"></a>
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+<span class="sourceLineNo">027</span>import java.io.InterruptedIOException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.net.SocketTimeoutException;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.NavigableMap;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Random;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Set;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.SortedSet;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.concurrent.ConcurrentSkipListMap;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.ConcurrentSkipListSet;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.ExecutionException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.concurrent.Executors;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.concurrent.Future;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.concurrent.TimeUnit;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.conf.Configuration;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.CategoryBasedTimeout;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.NotServingRegionException;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.ServerName;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.TableName;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RetriesExhaustedException;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.procedure.ProcedureSyncWait;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.master.procedure.RSProcedureDispatcher;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.procedure2.ProcedureMetrics;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.regionserver.RegionServerAbortedException;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.junit.After;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.junit.Before;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.junit.Ignore;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.junit.Rule;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.junit.Test;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.junit.experimental.categories.Category;<a name="line.75"></a>
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+<span class="sourceLineNo">077</span>import org.junit.rules.TestName;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.junit.rules.TestRule;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.slf4j.Logger;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.slf4j.LoggerFactory;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionRequest;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CloseRegionResponse;<a name="line.83"></a>
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+<span class="sourceLineNo">094</span>@Category({MasterTests.class, MediumTests.class})<a name="line.94"></a>
+<span class="sourceLineNo">095</span>public class TestAssignmentManager {<a name="line.95"></a>
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+<span class="sourceLineNo">097</span><a name="line.97"></a>
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+<span class="sourceLineNo">099</span>  @Rule public final TestRule timeout =<a name="line.99"></a>
+<span class="sourceLineNo">100</span>      CategoryBasedTimeout.builder().withTimeout(this.getClass()).<a name="line.100"></a>
+<span class="sourceLineNo">101</span>        withLookingForStuckThread(true).build();<a name="line.101"></a>
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+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  private static final int PROC_NTHREADS = 64;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  private static final int NREGIONS = 1 * 1000;<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  private static final int NSERVERS = Math.max(1, NREGIONS / 100);<a name="line.106"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span>  private HBaseTestingUtility UTIL;<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private MockRSProcedureDispatcher rsDispatcher;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  private MockMasterServices master;<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private AssignmentManager am;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  private NavigableMap&lt;ServerName, SortedSet&lt;byte []&gt;&gt; regionsToRegionServers =<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      new ConcurrentSkipListMap&lt;ServerName, SortedSet&lt;byte []&gt;&gt;();<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  // Simple executor to run some simple tasks.<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  private ScheduledExecutorService executor;<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private ProcedureMetrics assignProcMetrics;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  private ProcedureMetrics unassignProcMetrics;<a name="line.118"></a>
+<span class="sourceLineNo">119</span><a name="line.119"></a>
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+<span class="sourceLineNo">121</span>  private long assignFailedCount = 0;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  private long unassignSubmittedCount = 0;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  private long unassignFailedCount = 0;<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  private void setupConfiguration(Configuration conf) throws Exception {<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    FSUtils.setRootDir(conf, UTIL.getDataTestDir());<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    conf.setBoolean(WALProcedureStore.USE_HSYNC_CONF_KEY, false);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    conf.setInt(WALProcedureStore.SYNC_WAIT_MSEC_CONF_KEY, 10);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    conf.setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, PROC_NTHREADS);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    conf.setInt(RSProcedureDispatcher.RS_RPC_STARTUP_WAIT_TIME_CONF_KEY, 1000);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    conf.setInt(AssignmentManager.ASSIGN_MAX_ATTEMPTS, 100); // Have many so we succeed eventually.<a name="line.131"></a>
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+<span class="sourceLineNo">133</span><a name="line.133"></a>
+<span class="sourceLineNo">134</span>  @Before<a name="line.134"></a>
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+<span class="sourceLineNo">138</span>    setupConfiguration(UTIL.getConfiguration());<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    master = new MockMasterServices(UTIL.getConfiguration(), this.regionsToRegionServers);<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    rsDispatcher = new MockRSProcedureDispatcher(master);<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    master.start(NSERVERS, rsDispatcher);<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    am = master.getAssignmentManager();<a name="line.142"></a>
+<span class="sourceLineNo">143</span>    assignProcMetrics = am.getAssignmentManagerMetrics().getAssignProcMetrics();<a name="line.143"></a>
+<span class="sourceLineNo">144</span>    unassignProcMetrics = am.getAssignmentManagerMetrics().getUnassignProcMetrics();<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    setUpMeta();<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>  private void setUpMeta() throws Exception {<a name="line.148"></a>
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+<span class="sourceLineNo">150</span>    am.assign(RegionInfoBuilder.FIRST_META_REGIONINFO);<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    am.wakeMetaLoadedEvent();<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    am.setFailoverCleanupDone(true);<a name="line.152"></a>
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+<span class="sourceLineNo">154</span><a name="line.154"></a>
+<span class="sourceLineNo">155</span>  @After<a name="line.155"></a>
+<span class="sourceLineNo">156</span>  public void tearDown() throws Exception {<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    master.stop("tearDown");<a name="line.157"></a>
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+<span class="sourceLineNo">159</span>  }<a name="line.159"></a>
+<span class="sourceLineNo">160</span><a name="line.160"></a>
+<span class="sourceLineNo">161</span>  @Test (expected=NullPointerException.class)<a name="line.161"></a>
+<span class="sourceLineNo">162</span>  public void testWaitServerReportEventWithNullServer() throws UnexpectedStateException {<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    // Test what happens if we pass in null server. I'd expect it throws NPE.<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    if (this.am.waitServerReportEvent(null, null)) throw new UnexpectedStateException();<a name="line.164"></a>
+<span class="sourceLineNo">165</span>  }<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>  @Test<a name="line.167"></a>
+<span class="sourceLineNo">168</span>  public void testAssignWithGoodExec() throws Exception {<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    // collect AM metrics before test<a name="line.169"></a>
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+<span class="sourceLineNo">178</span><a name="line.178"></a>
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+<span class="sourceLineNo">188</span>  @Test<a name="line.188"></a>
+<span class="sourceLineNo">189</span>  public void testUnassignAndCrashBeforeResponse() throws Exception {<a name="line.189"></a>
+<span class="sourceLineNo">190</span>    final TableName tableName = TableName.valueOf("testAssignAndCrashBeforeResponse");<a name="line.190"></a>
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+<span class="sourceLineNo">193</span>    for (int i = 0; i &lt; HangOnCloseThenRSCrashExecutor.TYPES_OF_FAILURE; i++) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span>      AssignProcedure assign = am.createAssignProcedure(hri);<a name="line.194"></a>
+<span class="sourceLineNo">195</span>      waitOnFuture(submitProcedure(assign));<a name="line.195"></a>
+<span class="sourceLineNo">196</span>      UnassignProcedure unassign = am.createUnassignProcedure(hri,<a name="line.196"></a>
+<span class="sourceLineNo">197</span>          am.getRegionStates().getRegionServerOfRegion(hri), false);<a name="line.197"></a>
+<span class="sourceLineNo">198</span>      waitOnFuture(submitProcedure(unassign));<a name="line.198"></a>
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+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  @Test<a name="line.202"></a>
+<span class="sourceLineNo">203</span>  public void testAssignWithRandExec() throws Exception {<a name="line.203"></a>
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-<span class="sourceLineNo">452</span>  // ============================================================================================<a name="line.452"></a>
-<span class="sourceLineNo">453</span>  //  Helpers<a name="line.453"></a>
-<span class="sourceLineNo">454</span>  // ============================================================================================<a name="line.454"></a>
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-<span class="sourceLineNo">463</span>          int n = (procs.length / threads.length);<a name="line.463"></a>
-<span class="sourceLineNo">464</span>          int start = threadId * n;<a name="line.464"></a>
-<span class="sourceLineNo">465</span>          int stop = start + n;<a name="line.465"></a>
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-<span class="sourceLineNo">468</span>          }<a name="line.468"></a>
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-<span class="sourceLineNo">470</span>      };<a name="line.470"></a>
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-<span class="sourceLineNo">476</span>    for (int i = procs.length - 1; i &gt;= 0 &amp;&amp; procs[i] == null; --i) {<a name="line.476"></a>
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-<span class="sourceLineNo">485</span>    return proc;<a name="line.485"></a>
+<span class="sourceLineNo">281</span><a name="line.281"></a>
+<span class="sourceLineNo">282</span>  @Test<a name="line.282"></a>
+<span class="sourceLineNo">283</span>  public void testIOExceptionOnAssignment() throws Exception {<a name="line.283"></a>
+<span class="sourceLineNo">284</span>    // collect AM metrics before test<a name="line.284"></a>
+<span class="sourceLineNo">285</span>    collectAssignmentManagerMetrics();<a name="line.285"></a>
+<span class="sourceLineNo">286</span><a name="line.286"></a>
+<span class="sourceLineNo">287</span>    testFailedOpen(TableName.valueOf("testExceptionOnAssignment"),<a name="line.287"></a>
+<span class="sourceLineNo">288</span>      new FaultyRsExecutor(new IOException("test fault")));<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span>    assertEquals(assignSubmittedCount + 1, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.290"></a>
+<span class="sourceLineNo">291</span>    assertEquals(assignFailedCount + 1, assignProcMetrics.getFailedCounter().getCount());<a name="line.291"></a>
+<span class="sourceLineNo">292</span>  }<a name="line.292"></a>
+<span class="sourceLineNo">293</span><a name="line.293"></a>
+<span class="sourceLineNo">294</span>  @Test<a name="line.294"></a>
+<span class="sourceLineNo">295</span>  public void testDoNotRetryExceptionOnAssignment() throws Exception {<a name="line.295"></a>
+<span class="sourceLineNo">296</span>    // collect AM metrics before test<a name="line.296"></a>
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+<span class="sourceLineNo">298</span><a name="line.298"></a>
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+<span class="sourceLineNo">300</span>      new FaultyRsExecutor(new DoNotRetryIOException("test do not retry fault")));<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span>    assertEquals(assignSubmittedCount + 1, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.302"></a>
+<span class="sourceLineNo">303</span>    assertEquals(assignFailedCount + 1, assignProcMetrics.getFailedCounter().getCount());<a name="line.303"></a>
+<span class="sourceLineNo">304</span>  }<a name="line.304"></a>
+<span class="sourceLineNo">305</span><a name="line.305"></a>
+<span class="sourceLineNo">306</span>  private void testFailedOpen(final TableName tableName,<a name="line.306"></a>
+<span class="sourceLineNo">307</span>      final MockRSExecutor executor) throws Exception {<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span><a name="line.309"></a>
+<span class="sourceLineNo">310</span>    // Test Assign operation failure<a name="line.310"></a>
+<span class="sourceLineNo">311</span>    rsDispatcher.setMockRsExecutor(executor);<a name="line.311"></a>
+<span class="sourceLineNo">312</span>    try {<a name="line.312"></a>
+<span class="sourceLineNo">313</span>      waitOnFuture(submitProcedure(am.createAssignProcedure(hri)));<a name="line.313"></a>
+<span class="sourceLineNo">314</span>      fail("unexpected assign completion");<a name="line.314"></a>
+<span class="sourceLineNo">315</span>    } catch (RetriesExhaustedException e) {<a name="line.315"></a>
+<span class="sourceLineNo">316</span>      // expected exception<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      LOG.info("REGION STATE " + am.getRegionStates().getRegionStateNode(hri));<a name="line.317"></a>
+<span class="sourceLineNo">318</span>      LOG.info("expected exception from assign operation: " + e.getMessage(), e);<a name="line.318"></a>
+<span class="sourceLineNo">319</span>      assertEquals(true, am.getRegionStates().getRegionState(hri).isFailedOpen());<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    }<a name="line.320"></a>
+<span class="sourceLineNo">321</span>  }<a name="line.321"></a>
+<span class="sourceLineNo">322</span><a name="line.322"></a>
+<span class="sourceLineNo">323</span>  private void testAssign(final MockRSExecutor executor) throws Exception {<a name="line.323"></a>
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+<span class="sourceLineNo">326</span><a name="line.326"></a>
+<span class="sourceLineNo">327</span>  private void testAssign(final MockRSExecutor executor, final int nregions) throws Exception {<a name="line.327"></a>
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+<span class="sourceLineNo">329</span><a name="line.329"></a>
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+<span class="sourceLineNo">331</span><a name="line.331"></a>
+<span class="sourceLineNo">332</span>    long st = System.currentTimeMillis();<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    bulkSubmit(assignments);<a name="line.333"></a>
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+<span class="sourceLineNo">335</span>    for (int i = 0; i &lt; assignments.length; ++i) {<a name="line.335"></a>
+<span class="sourceLineNo">336</span>      ProcedureTestingUtility.waitProcedure(<a name="line.336"></a>
+<span class="sourceLineNo">337</span>        master.getMasterProcedureExecutor(), assignments[i]);<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      assertTrue(assignments[i].toString(), assignments[i].isSuccess());<a name="line.338"></a>
+<span class="sourceLineNo">339</span>    }<a name="line.339"></a>
+<span class="sourceLineNo">340</span>    long et = System.currentTimeMillis();<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    float sec = ((et - st) / 1000.0f);<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    LOG.info(String.format("[T] Assigning %dprocs in %s (%.2fproc/sec)",<a name="line.342"></a>
+<span class="sourceLineNo">343</span>        assignments.length, StringUtils.humanTimeDiff(et - st), assignments.length / sec));<a name="line.343"></a>
+<span class="sourceLineNo">344</span>  }<a name="line.344"></a>
+<span class="sourceLineNo">345</span><a name="line.345"></a>
+<span class="sourceLineNo">346</span>  @Test<a name="line.346"></a>
+<span class="sourceLineNo">347</span>  public void testAssignAnAssignedRegion() throws Exception {<a name="line.347"></a>
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+<span class="sourceLineNo">350</span><a name="line.350"></a>
+<span class="sourceLineNo">351</span>    // collect AM metrics before test<a name="line.351"></a>
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+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>    rsDispatcher.setMockRsExecutor(new GoodRsExecutor());<a name="line.354"></a>
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+<span class="sourceLineNo">356</span>    final Future&lt;byte[]&gt; futureA = submitProcedure(am.createAssignProcedure(hri));<a name="line.356"></a>
+<span class="sourceLineNo">357</span><a name="line.357"></a>
+<span class="sourceLineNo">358</span>    // wait first assign<a name="line.358"></a>
+<span class="sourceLineNo">359</span>    waitOnFuture(futureA);<a name="line.359"></a>
+<span class="sourceLineNo">360</span>    am.getRegionStates().isRegionInState(hri, State.OPEN);<a name="line.360"></a>
+<span class="sourceLineNo">361</span>    // Second should be a noop. We should recognize region is already OPEN internally<a name="line.361"></a>
+<span class="sourceLineNo">362</span>    // and skip out doing nothing.<a name="line.362"></a>
+<span class="sourceLineNo">363</span>    // wait second assign<a name="line.363"></a>
+<span class="sourceLineNo">364</span>    final Future&lt;byte[]&gt; futureB = submitProcedure(am.createAssignProcedure(hri));<a name="line.364"></a>
+<span class="sourceLineNo">365</span>    waitOnFuture(futureB);<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    am.getRegionStates().isRegionInState(hri, State.OPEN);<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    // TODO: What else can we do to ensure just a noop.<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span>    // TODO: Though second assign is noop, it's considered success, can noop be handled in a<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    // better way?<a name="line.370"></a>
+<span class="sourceLineNo">371</span>    assertEquals(assignSubmittedCount + 2, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.371"></a>
+<span class="sourceLineNo">372</span>    assertEquals(assignFailedCount, assignProcMetrics.getFailedCounter().getCount());<a name="line.372"></a>
+<span class="sourceLineNo">373</span><a name="line.373"></a>
+<span class="sourceLineNo">374</span>  }<a name="line.374"></a>
+<span class="sourceLineNo">375</span><a name="line.375"></a>
+<span class="sourceLineNo">376</span>  @Test<a name="line.376"></a>
+<span class="sourceLineNo">377</span>  public void testUnassignAnUnassignedRegion() throws Exception {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    final TableName tableName = TableName.valueOf("testUnassignAnUnassignedRegion");<a name="line.378"></a>
+<span class="sourceLineNo">379</span>    final RegionInfo hri = createRegionInfo(tableName, 1);<a name="line.379"></a>
+<span class="sourceLineNo">380</span><a name="line.380"></a>
+<span class="sourceLineNo">381</span>    // collect AM metrics before test<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    collectAssignmentManagerMetrics();<a name="line.382"></a>
+<span class="sourceLineNo">383</span><a name="line.383"></a>
+<span class="sourceLineNo">384</span>    rsDispatcher.setMockRsExecutor(new GoodRsExecutor());<a name="line.384"></a>
+<span class="sourceLineNo">385</span><a name="line.385"></a>
+<span class="sourceLineNo">386</span>    // assign the region first<a name="line.386"></a>
+<span class="sourceLineNo">387</span>    waitOnFuture(submitProcedure(am.createAssignProcedure(hri)));<a name="line.387"></a>
+<span class="sourceLineNo">388</span><a name="line.388"></a>
+<span class="sourceLineNo">389</span>    final Future&lt;byte[]&gt; futureA = submitProcedure(am.createUnassignProcedure(hri, null, false));<a name="line.389"></a>
+<span class="sourceLineNo">390</span><a name="line.390"></a>
+<span class="sourceLineNo">391</span>    // Wait first unassign.<a name="line.391"></a>
+<span class="sourceLineNo">392</span>    waitOnFuture(futureA);<a name="line.392"></a>
+<span class="sourceLineNo">393</span>    am.getRegionStates().isRegionInState(hri, State.CLOSED);<a name="line.393"></a>
+<span class="sourceLineNo">394</span>    // Second should be a noop. We should recognize region is already CLOSED internally<a name="line.394"></a>
+<span class="sourceLineNo">395</span>    // and skip out doing nothing.<a name="line.395"></a>
+<span class="sourceLineNo">396</span>    final Future&lt;byte[]&gt; futureB =<a name="line.396"></a>
+<span class="sourceLineNo">397</span>        submitProcedure(am.createUnassignProcedure(hri,<a name="line.397"></a>
+<span class="sourceLineNo">398</span>            ServerName.valueOf("example.org,1234,1"), false));<a name="line.398"></a>
+<span class="sourceLineNo">399</span>    waitOnFuture(futureB);<a name="line.399"></a>
+<span class="sourceLineNo">400</span>    // Ensure we are still CLOSED.<a name="line.400"></a>
+<span class="sourceLineNo">401</span>    am.getRegionStates().isRegionInState(hri, State.CLOSED);<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    // TODO: What else can we do to ensure just a noop.<a name="line.402"></a>
+<span class="sourceLineNo">403</span><a name="line.403"></a>
+<span class="sourceLineNo">404</span>    assertEquals(assignSubmittedCount + 1, assignProcMetrics.getSubmittedCounter().getCount());<a name="line.404"></a>
+<span class="sourceLineNo">405</span>    assertEquals(assignFailedCount, assignProcMetrics.getFailedCounter().getCount());<a name="line.405"></a>
+<span class="sourceLineNo">406</span>    // TODO: Though second unassign is noop, it's considered success, can noop be handled in a<a name="line.406"></a>
+<span class="sourceLineNo">407</span>    // better way?<a name="line.407"></a>
+<span class="sourceLineNo">408</span>    assertEquals(unassignSubmittedCount + 2, unassignProcMetrics.getSubmittedCounter().getCount());<a name="line.408"></a>
+<span class="sourceLineNo">409</span>    assertEquals(unassignFailedCount, unassignProcMetrics.getFailedCounter().getCount());<a name="line.409"></a>
+<span class="sourceLineNo">410</span>  }<a name="line.410"></a>
+<span class="sourceLineNo">411</span>

<TRUNCATED>

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