http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cafc412/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.CustomSplitPolicy.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.CustomSplitPolicy.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.CustomSplitPolicy.html index a369370..295a1d4 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.CustomSplitPolicy.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.CustomSplitPolicy.html @@ -39,989 +39,1006 @@ <span class="sourceLineNo">031</span>import java.util.Map;<a name="line.31"></a> <span class="sourceLineNo">032</span>import java.util.Optional;<a name="line.32"></a> <span class="sourceLineNo">033</span>import java.util.concurrent.CountDownLatch;<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.fs.FileSystem;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.fs.Path;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HConstants;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.ServerName;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.TableName;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.DoNotRetryRegionException;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Get;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.Put;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.Result;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.client.Table;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.client.TestReplicasClient.SlowMeCopro;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.master.MasterRpcServices;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.master.assignment.RegionStates;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.81"></a> -<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.82"></a> -<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.83"></a> -<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.84"></a> -<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.85"></a> -<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.86"></a> -<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.87"></a> -<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.88"></a> -<span class="sourceLineNo">089</span>import org.apache.zookeeper.KeeperException;<a name="line.89"></a> -<span class="sourceLineNo">090</span>import org.apache.zookeeper.KeeperException.NodeExistsException;<a name="line.90"></a> -<span class="sourceLineNo">091</span>import org.junit.After;<a name="line.91"></a> -<span class="sourceLineNo">092</span>import org.junit.AfterClass;<a name="line.92"></a> -<span class="sourceLineNo">093</span>import org.junit.Assert;<a name="line.93"></a> -<span class="sourceLineNo">094</span>import org.junit.Before;<a name="line.94"></a> -<span class="sourceLineNo">095</span>import org.junit.BeforeClass;<a name="line.95"></a> -<span class="sourceLineNo">096</span>import org.junit.ClassRule;<a name="line.96"></a> -<span class="sourceLineNo">097</span>import org.junit.Rule;<a name="line.97"></a> -<span class="sourceLineNo">098</span>import org.junit.Test;<a name="line.98"></a> -<span class="sourceLineNo">099</span>import org.junit.experimental.categories.Category;<a name="line.99"></a> -<span class="sourceLineNo">100</span>import org.junit.rules.TestName;<a name="line.100"></a> -<span class="sourceLineNo">101</span>import org.slf4j.Logger;<a name="line.101"></a> -<span class="sourceLineNo">102</span>import org.slf4j.LoggerFactory;<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.104"></a> -<span class="sourceLineNo">105</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.105"></a> -<span class="sourceLineNo">106</span><a name="line.106"></a> -<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.107"></a> -<span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.108"></a> -<span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.109"></a> -<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<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> * The below tests are testing split region against a running cluster<a name="line.113"></a> -<span class="sourceLineNo">114</span> */<a name="line.114"></a> -<span class="sourceLineNo">115</span>@Category({RegionServerTests.class, LargeTests.class})<a name="line.115"></a> -<span class="sourceLineNo">116</span>@SuppressWarnings("deprecation")<a name="line.116"></a> -<span class="sourceLineNo">117</span>public class TestSplitTransactionOnCluster {<a name="line.117"></a> -<span class="sourceLineNo">118</span><a name="line.118"></a> -<span class="sourceLineNo">119</span> @ClassRule<a name="line.119"></a> -<span class="sourceLineNo">120</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.120"></a> -<span class="sourceLineNo">121</span> HBaseClassTestRule.forClass(TestSplitTransactionOnCluster.class);<a name="line.121"></a> -<span class="sourceLineNo">122</span><a name="line.122"></a> -<span class="sourceLineNo">123</span> private static final Logger LOG = LoggerFactory.getLogger(TestSplitTransactionOnCluster.class);<a name="line.123"></a> -<span class="sourceLineNo">124</span> private Admin admin = null;<a name="line.124"></a> -<span class="sourceLineNo">125</span> private MiniHBaseCluster cluster = null;<a name="line.125"></a> -<span class="sourceLineNo">126</span> private static final int NB_SERVERS = 3;<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> static final HBaseTestingUtility TESTING_UTIL =<a name="line.128"></a> -<span class="sourceLineNo">129</span> new HBaseTestingUtility();<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> @Rule<a name="line.131"></a> -<span class="sourceLineNo">132</span> public TestName name = new TestName();<a name="line.132"></a> -<span class="sourceLineNo">133</span><a name="line.133"></a> -<span class="sourceLineNo">134</span> @BeforeClass public static void before() throws Exception {<a name="line.134"></a> -<span class="sourceLineNo">135</span> TESTING_UTIL.getConfiguration().setInt(HConstants.HBASE_BALANCER_PERIOD, 60000);<a name="line.135"></a> -<span class="sourceLineNo">136</span> TESTING_UTIL.startMiniCluster(1, NB_SERVERS, null, MyMaster.class, null);<a name="line.136"></a> -<span class="sourceLineNo">137</span> }<a name="line.137"></a> -<span class="sourceLineNo">138</span><a name="line.138"></a> -<span class="sourceLineNo">139</span> @AfterClass public static void after() throws Exception {<a name="line.139"></a> -<span class="sourceLineNo">140</span> TESTING_UTIL.shutdownMiniCluster();<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> @Before public void setup() throws IOException {<a name="line.143"></a> -<span class="sourceLineNo">144</span> TESTING_UTIL.ensureSomeNonStoppedRegionServersAvailable(NB_SERVERS);<a name="line.144"></a> -<span class="sourceLineNo">145</span> this.admin = TESTING_UTIL.getAdmin();<a name="line.145"></a> -<span class="sourceLineNo">146</span> this.cluster = TESTING_UTIL.getMiniHBaseCluster();<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> @After<a name="line.149"></a> -<span class="sourceLineNo">150</span> public void tearDown() throws Exception {<a name="line.150"></a> -<span class="sourceLineNo">151</span> this.admin.close();<a name="line.151"></a> -<span class="sourceLineNo">152</span> for (HTableDescriptor htd: this.admin.listTables()) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> LOG.info("Tear down, remove table=" + htd.getTableName());<a name="line.153"></a> -<span class="sourceLineNo">154</span> TESTING_UTIL.deleteTable(htd.getTableName());<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span> }<a name="line.156"></a> -<span class="sourceLineNo">157</span><a name="line.157"></a> -<span class="sourceLineNo">158</span> private RegionInfo getAndCheckSingleTableRegion(final List<HRegion> regions)<a name="line.158"></a> -<span class="sourceLineNo">159</span> throws IOException, InterruptedException {<a name="line.159"></a> -<span class="sourceLineNo">160</span> assertEquals(1, regions.size());<a name="line.160"></a> -<span class="sourceLineNo">161</span> RegionInfo hri = regions.get(0).getRegionInfo();<a name="line.161"></a> -<span class="sourceLineNo">162</span> try {<a name="line.162"></a> -<span class="sourceLineNo">163</span> cluster.getMaster().getAssignmentManager().waitForAssignment(hri, 600000);<a name="line.163"></a> -<span class="sourceLineNo">164</span> } catch (NoSuchProcedureException e) {<a name="line.164"></a> -<span class="sourceLineNo">165</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span> return hri;<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> private void requestSplitRegion(<a name="line.170"></a> -<span class="sourceLineNo">171</span> final HRegionServer rsServer,<a name="line.171"></a> -<span class="sourceLineNo">172</span> final Region region,<a name="line.172"></a> -<span class="sourceLineNo">173</span> final byte[] midKey) throws IOException {<a name="line.173"></a> -<span class="sourceLineNo">174</span> long procId = cluster.getMaster().splitRegion(region.getRegionInfo(), midKey, 0, 0);<a name="line.174"></a> -<span class="sourceLineNo">175</span> // wait for the split to complete or get interrupted. If the split completes successfully,<a name="line.175"></a> -<span class="sourceLineNo">176</span> // the procedure will return true; if the split fails, the procedure would throw exception.<a name="line.176"></a> -<span class="sourceLineNo">177</span> ProcedureTestingUtility.waitProcedure(cluster.getMaster().getMasterProcedureExecutor(), procId);<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> @Test<a name="line.180"></a> -<span class="sourceLineNo">181</span> public void testRITStateForRollback() throws Exception {<a name="line.181"></a> -<span class="sourceLineNo">182</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.182"></a> -<span class="sourceLineNo">183</span> final HMaster master = cluster.getMaster();<a name="line.183"></a> -<span class="sourceLineNo">184</span> try {<a name="line.184"></a> -<span class="sourceLineNo">185</span> // Create table then get the single region for our new table.<a name="line.185"></a> -<span class="sourceLineNo">186</span> Table t = createTableAndWait(tableName, Bytes.toBytes("cf"));<a name="line.186"></a> -<span class="sourceLineNo">187</span> final List<HRegion> regions = cluster.getRegions(tableName);<a name="line.187"></a> -<span class="sourceLineNo">188</span> final RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.188"></a> -<span class="sourceLineNo">189</span> insertData(tableName, admin, t);<a name="line.189"></a> -<span class="sourceLineNo">190</span> t.close();<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.192"></a> -<span class="sourceLineNo">193</span> this.admin.setBalancerRunning(false, true);<a name="line.193"></a> -<span class="sourceLineNo">194</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.194"></a> -<span class="sourceLineNo">195</span> master.setCatalogJanitorEnabled(false);<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> // find a splittable region<a name="line.197"></a> -<span class="sourceLineNo">198</span> final HRegion region = findSplittableRegion(regions);<a name="line.198"></a> -<span class="sourceLineNo">199</span> assertTrue("not able to find a splittable region", region != null);<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> // install master co-processor to fail splits<a name="line.201"></a> -<span class="sourceLineNo">202</span> master.getMasterCoprocessorHost().load(<a name="line.202"></a> -<span class="sourceLineNo">203</span> FailingSplitMasterObserver.class,<a name="line.203"></a> -<span class="sourceLineNo">204</span> Coprocessor.PRIORITY_USER,<a name="line.204"></a> -<span class="sourceLineNo">205</span> master.getConfiguration());<a name="line.205"></a> -<span class="sourceLineNo">206</span><a name="line.206"></a> -<span class="sourceLineNo">207</span> // split async<a name="line.207"></a> -<span class="sourceLineNo">208</span> this.admin.splitRegion(region.getRegionInfo().getRegionName(), new byte[] {42});<a name="line.208"></a> -<span class="sourceLineNo">209</span><a name="line.209"></a> -<span class="sourceLineNo">210</span> // we have to wait until the SPLITTING state is seen by the master<a name="line.210"></a> -<span class="sourceLineNo">211</span> FailingSplitMasterObserver observer =<a name="line.211"></a> -<span class="sourceLineNo">212</span> master.getMasterCoprocessorHost().findCoprocessor(FailingSplitMasterObserver.class);<a name="line.212"></a> -<span class="sourceLineNo">213</span> assertNotNull(observer);<a name="line.213"></a> -<span class="sourceLineNo">214</span> observer.latch.await();<a name="line.214"></a> -<span class="sourceLineNo">215</span><a name="line.215"></a> -<span class="sourceLineNo">216</span> LOG.info("Waiting for region to come out of RIT");<a name="line.216"></a> -<span class="sourceLineNo">217</span> while (!cluster.getMaster().getAssignmentManager().getRegionStates().isRegionOnline(hri)) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> Threads.sleep(100);<a name="line.218"></a> -<span class="sourceLineNo">219</span> }<a name="line.219"></a> -<span class="sourceLineNo">220</span> assertTrue(cluster.getMaster().getAssignmentManager().getRegionStates().isRegionOnline(hri));<a name="line.220"></a> -<span class="sourceLineNo">221</span> } finally {<a name="line.221"></a> -<span class="sourceLineNo">222</span> admin.setBalancerRunning(true, false);<a name="line.222"></a> -<span class="sourceLineNo">223</span> master.setCatalogJanitorEnabled(true);<a name="line.223"></a> -<span class="sourceLineNo">224</span> abortAndWaitForMaster();<a name="line.224"></a> -<span class="sourceLineNo">225</span> TESTING_UTIL.deleteTable(tableName);<a name="line.225"></a> -<span class="sourceLineNo">226</span> }<a name="line.226"></a> -<span class="sourceLineNo">227</span> }<a name="line.227"></a> -<span class="sourceLineNo">228</span><a name="line.228"></a> -<span class="sourceLineNo">229</span> @Test<a name="line.229"></a> -<span class="sourceLineNo">230</span> public void testSplitFailedCompactionAndSplit() throws Exception {<a name="line.230"></a> -<span class="sourceLineNo">231</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.231"></a> -<span class="sourceLineNo">232</span> // Create table then get the single region for our new table.<a name="line.232"></a> -<span class="sourceLineNo">233</span> HTableDescriptor htd = new HTableDescriptor(tableName);<a name="line.233"></a> -<span class="sourceLineNo">234</span> byte[] cf = Bytes.toBytes("cf");<a name="line.234"></a> -<span class="sourceLineNo">235</span> htd.addFamily(new HColumnDescriptor(cf));<a name="line.235"></a> -<span class="sourceLineNo">236</span> admin.createTable(htd);<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> for (int i = 0; cluster.getRegions(tableName).isEmpty() && i < 100; i++) {<a name="line.238"></a> -<span class="sourceLineNo">239</span> Thread.sleep(100);<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span> assertEquals(1, cluster.getRegions(tableName).size());<a name="line.241"></a> -<span class="sourceLineNo">242</span><a name="line.242"></a> -<span class="sourceLineNo">243</span> HRegion region = cluster.getRegions(tableName).get(0);<a name="line.243"></a> -<span class="sourceLineNo">244</span> HStore store = region.getStore(cf);<a name="line.244"></a> -<span class="sourceLineNo">245</span> int regionServerIndex = cluster.getServerWith(region.getRegionInfo().getRegionName());<a name="line.245"></a> -<span class="sourceLineNo">246</span> HRegionServer regionServer = cluster.getRegionServer(regionServerIndex);<a name="line.246"></a> -<span class="sourceLineNo">247</span><a name="line.247"></a> -<span class="sourceLineNo">248</span> Table t = TESTING_UTIL.getConnection().getTable(tableName);<a name="line.248"></a> -<span class="sourceLineNo">249</span> // insert data<a name="line.249"></a> -<span class="sourceLineNo">250</span> insertData(tableName, admin, t);<a name="line.250"></a> -<span class="sourceLineNo">251</span> insertData(tableName, admin, t);<a name="line.251"></a> -<span class="sourceLineNo">252</span><a name="line.252"></a> -<span class="sourceLineNo">253</span> int fileNum = store.getStorefiles().size();<a name="line.253"></a> -<span class="sourceLineNo">254</span> // 0, Compaction Request<a name="line.254"></a> -<span class="sourceLineNo">255</span> store.triggerMajorCompaction();<a name="line.255"></a> -<span class="sourceLineNo">256</span> Optional<CompactionContext> cc = store.requestCompaction();<a name="line.256"></a> -<span class="sourceLineNo">257</span> assertTrue(cc.isPresent());<a name="line.257"></a> -<span class="sourceLineNo">258</span> // 1, A timeout split<a name="line.258"></a> -<span class="sourceLineNo">259</span> // 1.1 close region<a name="line.259"></a> -<span class="sourceLineNo">260</span> assertEquals(2, region.close(false).get(cf).size());<a name="line.260"></a> -<span class="sourceLineNo">261</span> // 1.2 rollback and Region initialize again<a name="line.261"></a> -<span class="sourceLineNo">262</span> region.initialize();<a name="line.262"></a> -<span class="sourceLineNo">263</span><a name="line.263"></a> -<span class="sourceLineNo">264</span> // 2, Run Compaction cc<a name="line.264"></a> -<span class="sourceLineNo">265</span> assertFalse(region.compact(cc.get(), store, NoLimitThroughputController.INSTANCE));<a name="line.265"></a> -<span class="sourceLineNo">266</span> assertTrue(fileNum > store.getStorefiles().size());<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> // 3, Split<a name="line.268"></a> -<span class="sourceLineNo">269</span> requestSplitRegion(regionServer, region, Bytes.toBytes("row3"));<a name="line.269"></a> -<span class="sourceLineNo">270</span> assertEquals(2, cluster.getRegions(tableName).size());<a name="line.270"></a> -<span class="sourceLineNo">271</span> }<a name="line.271"></a> -<span class="sourceLineNo">272</span><a name="line.272"></a> -<span class="sourceLineNo">273</span> public static class FailingSplitMasterObserver implements MasterCoprocessor, MasterObserver {<a name="line.273"></a> -<span class="sourceLineNo">274</span> volatile CountDownLatch latch;<a name="line.274"></a> -<span class="sourceLineNo">275</span><a name="line.275"></a> -<span class="sourceLineNo">276</span> @Override<a name="line.276"></a> -<span class="sourceLineNo">277</span> public void start(CoprocessorEnvironment e) throws IOException {<a name="line.277"></a> -<span class="sourceLineNo">278</span> latch = new CountDownLatch(1);<a name="line.278"></a> -<span class="sourceLineNo">279</span> }<a name="line.279"></a> -<span class="sourceLineNo">280</span><a name="line.280"></a> -<span class="sourceLineNo">281</span> @Override<a name="line.281"></a> -<span class="sourceLineNo">282</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.282"></a> -<span class="sourceLineNo">283</span> return Optional.of(this);<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span><a name="line.285"></a> -<span class="sourceLineNo">286</span> @Override<a name="line.286"></a> -<span class="sourceLineNo">287</span> public void preSplitRegionBeforeMETAAction(<a name="line.287"></a> -<span class="sourceLineNo">288</span> final ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.288"></a> -<span class="sourceLineNo">289</span> final byte[] splitKey,<a name="line.289"></a> -<span class="sourceLineNo">290</span> final List<Mutation> metaEntries) throws IOException {<a name="line.290"></a> -<span class="sourceLineNo">291</span> latch.countDown();<a name="line.291"></a> -<span class="sourceLineNo">292</span> throw new IOException("Causing rollback of region split");<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<a name="line.293"></a> -<span class="sourceLineNo">294</span> }<a name="line.294"></a> -<span class="sourceLineNo">295</span><a name="line.295"></a> -<span class="sourceLineNo">296</span> @Test<a name="line.296"></a> -<span class="sourceLineNo">297</span> public void testSplitRollbackOnRegionClosing() throws IOException, InterruptedException {<a name="line.297"></a> -<span class="sourceLineNo">298</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.298"></a> -<span class="sourceLineNo">299</span><a name="line.299"></a> -<span class="sourceLineNo">300</span> // Create table then get the single region for our new table.<a name="line.300"></a> -<span class="sourceLineNo">301</span> Table t = createTableAndWait(tableName, HConstants.CATALOG_FAMILY);<a name="line.301"></a> -<span class="sourceLineNo">302</span> List<HRegion> regions = cluster.getRegions(tableName);<a name="line.302"></a> -<span class="sourceLineNo">303</span> RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> int tableRegionIndex = ensureTableRegionNotOnSameServerAsMeta(admin, hri);<a name="line.305"></a> +<span class="sourceLineNo">034</span>import java.util.concurrent.TimeUnit;<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><a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.conf.Configuration;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FileSystem;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.Path;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<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.HColumnDescriptor;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HConstants;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.ServerName;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.TableName;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.CompactionState;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.DoNotRetryRegionException;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.Get;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.client.Put;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.client.Result;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.client.Table;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.client.TestReplicasClient.SlowMeCopro;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.master.MasterRpcServices;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.76"></a> +<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.78"></a> +<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.79"></a> +<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.master.assignment.RegionStates;<a name="line.80"></a> +<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;<a name="line.81"></a> +<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.82"></a> +<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.83"></a> +<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.84"></a> +<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.85"></a> +<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.86"></a> +<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a name="line.87"></a> +<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.88"></a> +<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.89"></a> +<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.90"></a> +<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.91"></a> +<span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.92"></a> +<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.93"></a> +<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.94"></a> +<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.util.RetryCounter;<a name="line.95"></a> +<span class="sourceLineNo">096</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.96"></a> +<span class="sourceLineNo">097</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.97"></a> +<span class="sourceLineNo">098</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.98"></a> +<span class="sourceLineNo">099</span>import org.apache.zookeeper.KeeperException;<a name="line.99"></a> +<span class="sourceLineNo">100</span>import org.apache.zookeeper.KeeperException.NodeExistsException;<a name="line.100"></a> +<span class="sourceLineNo">101</span>import org.junit.After;<a name="line.101"></a> +<span class="sourceLineNo">102</span>import org.junit.AfterClass;<a name="line.102"></a> +<span class="sourceLineNo">103</span>import org.junit.Assert;<a name="line.103"></a> +<span class="sourceLineNo">104</span>import org.junit.Before;<a name="line.104"></a> +<span class="sourceLineNo">105</span>import org.junit.BeforeClass;<a name="line.105"></a> +<span class="sourceLineNo">106</span>import org.junit.ClassRule;<a name="line.106"></a> +<span class="sourceLineNo">107</span>import org.junit.Rule;<a name="line.107"></a> +<span class="sourceLineNo">108</span>import org.junit.Test;<a name="line.108"></a> +<span class="sourceLineNo">109</span>import org.junit.experimental.categories.Category;<a name="line.109"></a> +<span class="sourceLineNo">110</span>import org.junit.rules.TestName;<a name="line.110"></a> +<span class="sourceLineNo">111</span>import org.slf4j.Logger;<a name="line.111"></a> +<span class="sourceLineNo">112</span>import org.slf4j.LoggerFactory;<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span>/**<a name="line.114"></a> +<span class="sourceLineNo">115</span> * The below tests are testing split region against a running cluster<a name="line.115"></a> +<span class="sourceLineNo">116</span> */<a name="line.116"></a> +<span class="sourceLineNo">117</span>@Category({RegionServerTests.class, LargeTests.class})<a name="line.117"></a> +<span class="sourceLineNo">118</span>@SuppressWarnings("deprecation")<a name="line.118"></a> +<span class="sourceLineNo">119</span>public class TestSplitTransactionOnCluster {<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> @ClassRule<a name="line.121"></a> +<span class="sourceLineNo">122</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.122"></a> +<span class="sourceLineNo">123</span> HBaseClassTestRule.forClass(TestSplitTransactionOnCluster.class);<a name="line.123"></a> +<span class="sourceLineNo">124</span><a name="line.124"></a> +<span class="sourceLineNo">125</span> private static final Logger LOG = LoggerFactory.getLogger(TestSplitTransactionOnCluster.class);<a name="line.125"></a> +<span class="sourceLineNo">126</span> private Admin admin = null;<a name="line.126"></a> +<span class="sourceLineNo">127</span> private MiniHBaseCluster cluster = null;<a name="line.127"></a> +<span class="sourceLineNo">128</span> private static final int NB_SERVERS = 3;<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> static final HBaseTestingUtility TESTING_UTIL =<a name="line.130"></a> +<span class="sourceLineNo">131</span> new HBaseTestingUtility();<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> @Rule<a name="line.133"></a> +<span class="sourceLineNo">134</span> public TestName name = new TestName();<a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"></a> +<span class="sourceLineNo">136</span> @BeforeClass public static void before() throws Exception {<a name="line.136"></a> +<span class="sourceLineNo">137</span> TESTING_UTIL.getConfiguration().setInt(HConstants.HBASE_BALANCER_PERIOD, 60000);<a name="line.137"></a> +<span class="sourceLineNo">138</span> TESTING_UTIL.startMiniCluster(1, NB_SERVERS, null, MyMaster.class, null);<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> @AfterClass public static void after() throws Exception {<a name="line.141"></a> +<span class="sourceLineNo">142</span> TESTING_UTIL.shutdownMiniCluster();<a name="line.142"></a> +<span class="sourceLineNo">143</span> }<a name="line.143"></a> +<span class="sourceLineNo">144</span><a name="line.144"></a> +<span class="sourceLineNo">145</span> @Before public void setup() throws IOException {<a name="line.145"></a> +<span class="sourceLineNo">146</span> TESTING_UTIL.ensureSomeNonStoppedRegionServersAvailable(NB_SERVERS);<a name="line.146"></a> +<span class="sourceLineNo">147</span> this.admin = TESTING_UTIL.getAdmin();<a name="line.147"></a> +<span class="sourceLineNo">148</span> this.cluster = TESTING_UTIL.getMiniHBaseCluster();<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> this.admin.close();<a name="line.153"></a> +<span class="sourceLineNo">154</span> for (HTableDescriptor htd: this.admin.listTables()) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.info("Tear down, remove table=" + htd.getTableName());<a name="line.155"></a> +<span class="sourceLineNo">156</span> TESTING_UTIL.deleteTable(htd.getTableName());<a name="line.156"></a> +<span class="sourceLineNo">157</span> }<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> private RegionInfo getAndCheckSingleTableRegion(final List<HRegion> regions)<a name="line.160"></a> +<span class="sourceLineNo">161</span> throws IOException, InterruptedException {<a name="line.161"></a> +<span class="sourceLineNo">162</span> assertEquals(1, regions.size());<a name="line.162"></a> +<span class="sourceLineNo">163</span> RegionInfo hri = regions.get(0).getRegionInfo();<a name="line.163"></a> +<span class="sourceLineNo">164</span> try {<a name="line.164"></a> +<span class="sourceLineNo">165</span> cluster.getMaster().getAssignmentManager().waitForAssignment(hri, 600000);<a name="line.165"></a> +<span class="sourceLineNo">166</span> } catch (NoSuchProcedureException e) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span> return hri;<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> private void requestSplitRegion(<a name="line.172"></a> +<span class="sourceLineNo">173</span> final HRegionServer rsServer,<a name="line.173"></a> +<span class="sourceLineNo">174</span> final Region region,<a name="line.174"></a> +<span class="sourceLineNo">175</span> final byte[] midKey) throws IOException {<a name="line.175"></a> +<span class="sourceLineNo">176</span> long procId = cluster.getMaster().splitRegion(region.getRegionInfo(), midKey, 0, 0);<a name="line.176"></a> +<span class="sourceLineNo">177</span> // wait for the split to complete or get interrupted. If the split completes successfully,<a name="line.177"></a> +<span class="sourceLineNo">178</span> // the procedure will return true; if the split fails, the procedure would throw exception.<a name="line.178"></a> +<span class="sourceLineNo">179</span> ProcedureTestingUtility.waitProcedure(cluster.getMaster().getMasterProcedureExecutor(), procId);<a name="line.179"></a> +<span class="sourceLineNo">180</span> }<a name="line.180"></a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span> @Test<a name="line.182"></a> +<span class="sourceLineNo">183</span> public void testRITStateForRollback() throws Exception {<a name="line.183"></a> +<span class="sourceLineNo">184</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.184"></a> +<span class="sourceLineNo">185</span> final HMaster master = cluster.getMaster();<a name="line.185"></a> +<span class="sourceLineNo">186</span> try {<a name="line.186"></a> +<span class="sourceLineNo">187</span> // Create table then get the single region for our new table.<a name="line.187"></a> +<span class="sourceLineNo">188</span> Table t = createTableAndWait(tableName, Bytes.toBytes("cf"));<a name="line.188"></a> +<span class="sourceLineNo">189</span> final List<HRegion> regions = cluster.getRegions(tableName);<a name="line.189"></a> +<span class="sourceLineNo">190</span> final RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.190"></a> +<span class="sourceLineNo">191</span> insertData(tableName, admin, t);<a name="line.191"></a> +<span class="sourceLineNo">192</span> t.close();<a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"></a> +<span class="sourceLineNo">194</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.194"></a> +<span class="sourceLineNo">195</span> this.admin.setBalancerRunning(false, true);<a name="line.195"></a> +<span class="sourceLineNo">196</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.196"></a> +<span class="sourceLineNo">197</span> master.setCatalogJanitorEnabled(false);<a name="line.197"></a> +<span class="sourceLineNo">198</span><a name="line.198"></a> +<span class="sourceLineNo">199</span> // find a splittable region<a name="line.199"></a> +<span class="sourceLineNo">200</span> final HRegion region = findSplittableRegion(regions);<a name="line.200"></a> +<span class="sourceLineNo">201</span> assertTrue("not able to find a splittable region", region != null);<a name="line.201"></a> +<span class="sourceLineNo">202</span><a name="line.202"></a> +<span class="sourceLineNo">203</span> // install master co-processor to fail splits<a name="line.203"></a> +<span class="sourceLineNo">204</span> master.getMasterCoprocessorHost().load(<a name="line.204"></a> +<span class="sourceLineNo">205</span> FailingSplitMasterObserver.class,<a name="line.205"></a> +<span class="sourceLineNo">206</span> Coprocessor.PRIORITY_USER,<a name="line.206"></a> +<span class="sourceLineNo">207</span> master.getConfiguration());<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> // split async<a name="line.209"></a> +<span class="sourceLineNo">210</span> this.admin.splitRegion(region.getRegionInfo().getRegionName(), new byte[] {42});<a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span> // we have to wait until the SPLITTING state is seen by the master<a name="line.212"></a> +<span class="sourceLineNo">213</span> FailingSplitMasterObserver observer =<a name="line.213"></a> +<span class="sourceLineNo">214</span> master.getMasterCoprocessorHost().findCoprocessor(FailingSplitMasterObserver.class);<a name="line.214"></a> +<span class="sourceLineNo">215</span> assertNotNull(observer);<a name="line.215"></a> +<span class="sourceLineNo">216</span> observer.latch.await();<a name="line.216"></a> +<span class="sourceLineNo">217</span><a name="line.217"></a> +<span class="sourceLineNo">218</span> LOG.info("Waiting for region to come out of RIT");<a name="line.218"></a> +<span class="sourceLineNo">219</span> while (!cluster.getMaster().getAssignmentManager().getRegionStates().isRegionOnline(hri)) {<a name="line.219"></a> +<span class="sourceLineNo">220</span> Threads.sleep(100);<a name="line.220"></a> +<span class="sourceLineNo">221</span> }<a name="line.221"></a> +<span class="sourceLineNo">222</span> assertTrue(cluster.getMaster().getAssignmentManager().getRegionStates().isRegionOnline(hri));<a name="line.222"></a> +<span class="sourceLineNo">223</span> } finally {<a name="line.223"></a> +<span class="sourceLineNo">224</span> admin.setBalancerRunning(true, false);<a name="line.224"></a> +<span class="sourceLineNo">225</span> master.setCatalogJanitorEnabled(true);<a name="line.225"></a> +<span class="sourceLineNo">226</span> abortAndWaitForMaster();<a name="line.226"></a> +<span class="sourceLineNo">227</span> TESTING_UTIL.deleteTable(tableName);<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span> }<a name="line.229"></a> +<span class="sourceLineNo">230</span><a name="line.230"></a> +<span class="sourceLineNo">231</span> @Test<a name="line.231"></a> +<span class="sourceLineNo">232</span> public void testSplitFailedCompactionAndSplit() throws Exception {<a name="line.232"></a> +<span class="sourceLineNo">233</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.233"></a> +<span class="sourceLineNo">234</span> // Create table then get the single region for our new table.<a name="line.234"></a> +<span class="sourceLineNo">235</span> HTableDescriptor htd = new HTableDescriptor(tableName);<a name="line.235"></a> +<span class="sourceLineNo">236</span> byte[] cf = Bytes.toBytes("cf");<a name="line.236"></a> +<span class="sourceLineNo">237</span> htd.addFamily(new HColumnDescriptor(cf));<a name="line.237"></a> +<span class="sourceLineNo">238</span> admin.createTable(htd);<a name="line.238"></a> +<span class="sourceLineNo">239</span><a name="line.239"></a> +<span class="sourceLineNo">240</span> for (int i = 0; cluster.getRegions(tableName).isEmpty() && i < 100; i++) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> Thread.sleep(100);<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span> assertEquals(1, cluster.getRegions(tableName).size());<a name="line.243"></a> +<span class="sourceLineNo">244</span><a name="line.244"></a> +<span class="sourceLineNo">245</span> HRegion region = cluster.getRegions(tableName).get(0);<a name="line.245"></a> +<span class="sourceLineNo">246</span> HStore store = region.getStore(cf);<a name="line.246"></a> +<span class="sourceLineNo">247</span> int regionServerIndex = cluster.getServerWith(region.getRegionInfo().getRegionName());<a name="line.247"></a> +<span class="sourceLineNo">248</span> HRegionServer regionServer = cluster.getRegionServer(regionServerIndex);<a name="line.248"></a> +<span class="sourceLineNo">249</span><a name="line.249"></a> +<span class="sourceLineNo">250</span> Table t = TESTING_UTIL.getConnection().getTable(tableName);<a name="line.250"></a> +<span class="sourceLineNo">251</span> // insert data<a name="line.251"></a> +<span class="sourceLineNo">252</span> insertData(tableName, admin, t);<a name="line.252"></a> +<span class="sourceLineNo">253</span> insertData(tableName, admin, t);<a name="line.253"></a> +<span class="sourceLineNo">254</span><a name="line.254"></a> +<span class="sourceLineNo">255</span> int fileNum = store.getStorefiles().size();<a name="line.255"></a> +<span class="sourceLineNo">256</span> // 0, Compaction Request<a name="line.256"></a> +<span class="sourceLineNo">257</span> store.triggerMajorCompaction();<a name="line.257"></a> +<span class="sourceLineNo">258</span> Optional<CompactionContext> cc = store.requestCompaction();<a name="line.258"></a> +<span class="sourceLineNo">259</span> assertTrue(cc.isPresent());<a name="line.259"></a> +<span class="sourceLineNo">260</span> // 1, A timeout split<a name="line.260"></a> +<span class="sourceLineNo">261</span> // 1.1 close region<a name="line.261"></a> +<span class="sourceLineNo">262</span> assertEquals(2, region.close(false).get(cf).size());<a name="line.262"></a> +<span class="sourceLineNo">263</span> // 1.2 rollback and Region initialize again<a name="line.263"></a> +<span class="sourceLineNo">264</span> region.initialize();<a name="line.264"></a> +<span class="sourceLineNo">265</span><a name="line.265"></a> +<span class="sourceLineNo">266</span> // 2, Run Compaction cc<a name="line.266"></a> +<span class="sourceLineNo">267</span> assertFalse(region.compact(cc.get(), store, NoLimitThroughputController.INSTANCE));<a name="line.267"></a> +<span class="sourceLineNo">268</span> assertTrue(fileNum > store.getStorefiles().size());<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span> // 3, Split<a name="line.270"></a> +<span class="sourceLineNo">271</span> requestSplitRegion(regionServer, region, Bytes.toBytes("row3"));<a name="line.271"></a> +<span class="sourceLineNo">272</span> assertEquals(2, cluster.getRegions(tableName).size());<a name="line.272"></a> +<span class="sourceLineNo">273</span> }<a name="line.273"></a> +<span class="sourceLineNo">274</span><a name="line.274"></a> +<span class="sourceLineNo">275</span> public static class FailingSplitMasterObserver implements MasterCoprocessor, MasterObserver {<a name="line.275"></a> +<span class="sourceLineNo">276</span> volatile CountDownLatch latch;<a name="line.276"></a> +<span class="sourceLineNo">277</span><a name="line.277"></a> +<span class="sourceLineNo">278</span> @Override<a name="line.278"></a> +<span class="sourceLineNo">279</span> public void start(CoprocessorEnvironment e) throws IOException {<a name="line.279"></a> +<span class="sourceLineNo">280</span> latch = new CountDownLatch(1);<a name="line.280"></a> +<span class="sourceLineNo">281</span> }<a name="line.281"></a> +<span class="sourceLineNo">282</span><a name="line.282"></a> +<span class="sourceLineNo">283</span> @Override<a name="line.283"></a> +<span class="sourceLineNo">284</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.284"></a> +<span class="sourceLineNo">285</span> return Optional.of(this);<a name="line.285"></a> +<span class="sourceLineNo">286</span> }<a name="line.286"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> @Override<a name="line.288"></a> +<span class="sourceLineNo">289</span> public void preSplitRegionBeforeMETAAction(<a name="line.289"></a> +<span class="sourceLineNo">290</span> final ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.290"></a> +<span class="sourceLineNo">291</span> final byte[] splitKey,<a name="line.291"></a> +<span class="sourceLineNo">292</span> final List<Mutation> metaEntries) throws IOException {<a name="line.292"></a> +<span class="sourceLineNo">293</span> latch.countDown();<a name="line.293"></a> +<span class="sourceLineNo">294</span> throw new IOException("Causing rollback of region split");<a name="line.294"></a> +<span class="sourceLineNo">295</span> }<a name="line.295"></a> +<span class="sourceLineNo">296</span> }<a name="line.296"></a> +<span class="sourceLineNo">297</span><a name="line.297"></a> +<span class="sourceLineNo">298</span> @Test<a name="line.298"></a> +<span class="sourceLineNo">299</span> public void testSplitRollbackOnRegionClosing() throws IOException, InterruptedException {<a name="line.299"></a> +<span class="sourceLineNo">300</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.300"></a> +<span class="sourceLineNo">301</span><a name="line.301"></a> +<span class="sourceLineNo">302</span> // Create table then get the single region for our new table.<a name="line.302"></a> +<span class="sourceLineNo">303</span> Table t = createTableAndWait(tableName, HConstants.CATALOG_FAMILY);<a name="line.303"></a> +<span class="sourceLineNo">304</span> List<HRegion> regions = cluster.getRegions(tableName);<a name="line.304"></a> +<span class="sourceLineNo">305</span> RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.305"></a> <span class="sourceLineNo">306</span><a name="line.306"></a> -<span class="sourceLineNo">307</span> RegionStates regionStates = cluster.getMaster().getAssignmentManager().getRegionStates();<a name="line.307"></a> +<span class="sourceLineNo">307</span> int tableRegionIndex = ensureTableRegionNotOnSameServerAsMeta(admin, hri);<a name="line.307"></a> <span class="sourceLineNo">308</span><a name="line.308"></a> -<span class="sourceLineNo">309</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.309"></a> -<span class="sourceLineNo">310</span> this.admin.setBalancerRunning(false, true);<a name="line.310"></a> -<span class="sourceLineNo">311</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.311"></a> -<span class="sourceLineNo">312</span> cluster.getMaster().setCatalogJanitorEnabled(false);<a name="line.312"></a> -<span class="sourceLineNo">313</span> try {<a name="line.313"></a> -<span class="sourceLineNo">314</span> // Add a bit of load up into the table so splittable.<a name="line.314"></a> -<span class="sourceLineNo">315</span> TESTING_UTIL.loadTable(t, HConstants.CATALOG_FAMILY, false);<a name="line.315"></a> -<span class="sourceLineNo">316</span> // Get region pre-split.<a name="line.316"></a> -<span class="sourceLineNo">317</span> HRegionServer server = cluster.getRegionServer(tableRegionIndex);<a name="line.317"></a> -<span class="sourceLineNo">318</span> printOutRegions(server, "Initial regions: ");<a name="line.318"></a> -<span class="sourceLineNo">319</span> int regionCount = cluster.getRegions(hri.getTable()).size();<a name="line.319"></a> -<span class="sourceLineNo">320</span> regionStates.updateRegionState(hri, RegionState.State.CLOSING);<a name="line.320"></a> -<span class="sourceLineNo">321</span><a name="line.321"></a> -<span class="sourceLineNo">322</span> // Now try splitting.... should fail. And each should successfully<a name="line.322"></a> -<span class="sourceLineNo">323</span> // rollback.<a name="line.323"></a> -<span class="sourceLineNo">324</span> // We don't roll back here anymore. Instead we fail-fast on construction of the<a name="line.324"></a> -<span class="sourceLineNo">325</span> // split transaction. Catch the exception instead.<a name="line.325"></a> -<span class="sourceLineNo">326</span> try {<a name="line.326"></a> -<span class="sourceLineNo">327</span> this.admin.splitRegion(hri.getRegionName());<a name="line.327"></a> -<span class="sourceLineNo">328</span> fail();<a name="line.328"></a> -<span class="sourceLineNo">329</span> } catch (DoNotRetryRegionException e) {<a name="line.329"></a> -<span class="sourceLineNo">330</span> // Expected<a name="line.330"></a> -<span class="sourceLineNo">331</span> }<a name="line.331"></a> -<span class="sourceLineNo">332</span> // Wait around a while and assert count of regions remains constant.<a name="line.332"></a> -<span class="sourceLineNo">333</span> for (int i = 0; i < 10; i++) {<a name="line.333"></a> -<span class="sourceLineNo">334</span> Thread.sleep(100);<a name="line.334"></a> -<span class="sourceLineNo">335</span> assertEquals(regionCount, cluster.getRegions(hri.getTable()).size());<a name="line.335"></a> -<span class="sourceLineNo">336</span> }<a name="line.336"></a> -<span class="sourceLineNo">337</span> regionStates.updateRegionState(hri, State.OPEN);<a name="line.337"></a> -<span class="sourceLineNo">338</span> // Now try splitting and it should work.<a name="line.338"></a> -<span class="sourceLineNo">339</span> split(hri, server, regionCount);<a name="line.339"></a> -<span class="sourceLineNo">340</span> // Get daughters<a name="line.340"></a> -<span class="sourceLineNo">341</span> checkAndGetDaughters(tableName);<a name="line.341"></a> -<span class="sourceLineNo">342</span> // OK, so split happened after we cleared the blocking node.<a name="line.342"></a> -<span class="sourceLineNo">343</span> } finally {<a name="line.343"></a> -<span class="sourceLineNo">344</span> admin.setBalancerRunning(true, false);<a name="line.344"></a> -<span class="sourceLineNo">345</span> cluster.getMaster().setCatalogJanitorEnabled(true);<a name="line.345"></a> -<span class="sourceLineNo">346</span> t.close();<a name="line.346"></a> -<span class="sourceLineNo">347</span> }<a name="line.347"></a> -<span class="sourceLineNo">348</span> }<a name="line.348"></a> -<span class="sourceLineNo">349</span><a name="line.349"></a> -<span class="sourceLineNo">350</span> /**<a name="line.350"></a> -<span class="sourceLineNo">351</span> * Test that if daughter split on us, we won't do the shutdown handler fixup<a name="line.351"></a> -<span class="sourceLineNo">352</span> * just because we can't find the immediate daughter of an offlined parent.<a name="line.352"></a> -<span class="sourceLineNo">353</span> * @throws IOException<a name="line.353"></a> -<span class="sourceLineNo">354</span> * @throws InterruptedException<a name="line.354"></a> -<span class="sourceLineNo">355</span> */<a name="line.355"></a> -<span class="sourceLineNo">356</span> @Test<a name="line.356"></a> -<span class="sourceLineNo">357</span> public void testShutdownFixupWhenDaughterHasSplit()throws IOException, InterruptedException {<a name="line.357"></a> -<span class="sourceLineNo">358</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.358"></a> -<span class="sourceLineNo">359</span><a name="line.359"></a> -<span class="sourceLineNo">360</span> // Create table then get the single region for our new table.<a name="line.360"></a> -<span class="sourceLineNo">361</span> Table t = createTableAndWait(tableName, HConstants.CATALOG_FAMILY);<a name="line.361"></a> -<span class="sourceLineNo">362</span> List<HRegion> regions = cluster.getRegions(tableName);<a name="line.362"></a> -<span class="sourceLineNo">363</span> RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.363"></a> -<span class="sourceLineNo">364</span><a name="line.364"></a> -<span class="sourceLineNo">365</span> int tableRegionIndex = ensureTableRegionNotOnSameServerAsMeta(admin, hri);<a name="line.365"></a> +<span class="sourceLineNo">309</span> RegionStates regionStates = cluster.getMaster().getAssignmentManager().getRegionStates();<a name="line.309"></a> +<span class="sourceLineNo">310</span><a name="line.310"></a> +<span class="sourceLineNo">311</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.311"></a> +<span class="sourceLineNo">312</span> this.admin.setBalancerRunning(false, true);<a name="line.312"></a> +<span class="sourceLineNo">313</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.313"></a> +<span class="sourceLineNo">314</span> cluster.getMaster().setCatalogJanitorEnabled(false);<a name="line.314"></a> +<span class="sourceLineNo">315</span> try {<a name="line.315"></a> +<span class="sourceLineNo">316</span> // Add a bit of load up into the table so splittable.<a name="line.316"></a> +<span class="sourceLineNo">317</span> TESTING_UTIL.loadTable(t, HConstants.CATALOG_FAMILY, false);<a name="line.317"></a> +<span class="sourceLineNo">318</span> // Get region pre-split.<a name="line.318"></a> +<span class="sourceLineNo">319</span> HRegionServer server = cluster.getRegionServer(tableRegionIndex);<a name="line.319"></a> +<span class="sourceLineNo">320</span> printOutRegions(server, "Initial regions: ");<a name="line.320"></a> +<span class="sourceLineNo">321</span> int regionCount = cluster.getRegions(hri.getTable()).size();<a name="line.321"></a> +<span class="sourceLineNo">322</span> regionStates.updateRegionState(hri, RegionState.State.CLOSING);<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> // Now try splitting.... should fail. And each should successfully<a name="line.324"></a> +<span class="sourceLineNo">325</span> // rollback.<a name="line.325"></a> +<span class="sourceLineNo">326</span> // We don't roll back here anymore. Instead we fail-fast on construction of the<a name="line.326"></a> +<span class="sourceLineNo">327</span> // split transaction. Catch the exception instead.<a name="line.327"></a> +<span class="sourceLineNo">328</span> try {<a name="line.328"></a> +<span class="sourceLineNo">329</span> this.admin.splitRegion(hri.getRegionName());<a name="line.329"></a> +<span class="sourceLineNo">330</span> fail();<a name="line.330"></a> +<span class="sourceLineNo">331</span> } catch (DoNotRetryRegionException e) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> // Expected<a name="line.332"></a> +<span class="sourceLineNo">333</span> }<a name="line.333"></a> +<span class="sourceLineNo">334</span> // Wait around a while and assert count of regions remains constant.<a name="line.334"></a> +<span class="sourceLineNo">335</span> for (int i = 0; i < 10; i++) {<a name="line.335"></a> +<span class="sourceLineNo">336</span> Thread.sleep(100);<a name="line.336"></a> +<span class="sourceLineNo">337</span> assertEquals(regionCount, cluster.getRegions(hri.getTable()).size());<a name="line.337"></a> +<span class="sourceLineNo">338</span> }<a name="line.338"></a> +<span class="sourceLineNo">339</span> regionStates.updateRegionState(hri, State.OPEN);<a name="line.339"></a> +<span class="sourceLineNo">340</span> // Now try splitting and it should work.<a name="line.340"></a> +<span class="sourceLineNo">341</span> split(hri, server, regionCount);<a name="line.341"></a> +<span class="sourceLineNo">342</span> // Get daughters<a name="line.342"></a> +<span class="sourceLineNo">343</span> checkAndGetDaughters(tableName);<a name="line.343"></a> +<span class="sourceLineNo">344</span> // OK, so split happened after we cleared the blocking node.<a name="line.344"></a> +<span class="sourceLineNo">345</span> } finally {<a name="line.345"></a> +<span class="sourceLineNo">346</span> admin.setBalancerRunning(true, false);<a name="line.346"></a> +<span class="sourceLineNo">347</span> cluster.getMaster().setCatalogJanitorEnabled(true);<a name="line.347"></a> +<span class="sourceLineNo">348</span> t.close();<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> }<a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"></a> +<span class="sourceLineNo">352</span> /**<a name="line.352"></a> +<span class="sourceLineNo">353</span> * Test that if daughter split on us, we won't do the shutdown handler fixup<a name="line.353"></a> +<span class="sourceLineNo">354</span> * just because we can't find the immediate daughter of an offlined parent.<a name="line.354"></a> +<span class="sourceLineNo">355</span> * @throws IOException<a name="line.355"></a> +<span class="sourceLineNo">356</span> * @throws InterruptedException<a name="line.356"></a> +<span class="sourceLineNo">357</span> */<a name="line.357"></a> +<span class="sourceLineNo">358</span> @Test<a name="line.358"></a> +<span class="sourceLineNo">359</span> public void testShutdownFixupWhenDaughterHasSplit()throws IOException, InterruptedException {<a name="line.359"></a> +<span class="sourceLineNo">360</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.360"></a> +<span class="sourceLineNo">361</span><a name="line.361"></a> +<span class="sourceLineNo">362</span> // Create table then get the single region for our new table.<a name="line.362"></a> +<span class="sourceLineNo">363</span> Table t = createTableAndWait(tableName, HConstants.CATALOG_FAMILY);<a name="line.363"></a> +<span class="sourceLineNo">364</span> List<HRegion> regions = cluster.getRegions(tableName);<a name="line.364"></a> +<span class="sourceLineNo">365</span> RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.365"></a> <span class="sourceLineNo">366</span><a name="line.366"></a> -<span class="sourceLineNo">367</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.367"></a> -<span class="sourceLineNo">368</span> this.admin.setBalancerRunning(false, true);<a name="line.368"></a> -<span class="sourceLineNo">369</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.369"></a> -<span class="sourceLineNo">370</span> cluster.getMaster().setCatalogJanitorEnabled(false);<a name="line.370"></a> -<span class="sourceLineNo">371</span> try {<a name="line.371"></a> -<span class="sourceLineNo">372</span> // Add a bit of load up into the table so splittable.<a name="line.372"></a> -<span class="sourceLineNo">373</span> TESTING_UTIL.loadTable(t, HConstants.CATALOG_FAMILY);<a name="line.373"></a> -<span class="sourceLineNo">374</span> // Get region pre-split.<a name="line.374"></a> -<span class="sourceLineNo">375</span> HRegionServer server = cluster.getRegionServer(tableRegionIndex);<a name="line.375"></a> -<span class="sourceLineNo">376</span> printOutRegions(server, "Initial regions: ");<a name="line.376"></a> -<span class="sourceLineNo">377</span> int regionCount = cluster.getRegions(hri.getTable()).size();<a name="line.377"></a> -<span class="sourceLineNo">378</span> // Now split.<a name="line.378"></a> -<span class="sourceLineNo">379</span> split(hri, server, regionCount);<a name="line.379"></a> -<span class="sourceLineNo">380</span> // Get daughters<a name="line.380"></a> -<span class="sourceLineNo">381</span> List<HRegion> daughters = checkAndGetDaughters(tableName);<a name="line.381"></a> -<span class="sourceLineNo">382</span> // Now split one of the daughters.<a name="line.382"></a> -<span class="sourceLineNo">383</span> regionCount = cluster.getRegions(hri.getTable()).size();<a name="line.383"></a> -<span class="sourceLineNo">384</span> RegionInfo daughter = daughters.get(0).getRegionInfo();<a name="line.384"></a> -<span class="sourceLineNo">385</span> LOG.info("Daughter we are going to split: " + daughter);<a name="line.385"></a> -<span class="sourceLineNo">386</span> // Compact first to ensure we have cleaned up references -- else the split<a name="line.386"></a> -<span class="sourceLineNo">387</span> // will fail.<a name="line.387"></a> -<span class="sourceLineNo">388</span> this.admin.compactRegion(daughter.getRegionName());<a name="line.388"></a> -<span class="sourceLineNo">389</span> daughters = cluster.getRegions(tableName);<a name="line.389"></a> -<span class="sourceLineNo">390</span> HRegion daughterRegion = null;<a name="line.390"></a> -<span class="sourceLineNo">391</span> for (HRegion r: daughters) {<a name="line.391"></a> -<span class="sourceLineNo">392</span> if (RegionInfo.COMPARATOR.compare(r.getRegionInfo(), daughter) == 0) {<a name="line.392"></a> -<span class="sourceLineNo">393</span> daughterRegion = r;<a name="line.393"></a> -<span class="sourceLineNo">394</span> LOG.info("Found matching HRI: " + daughterRegion);<a name="line.394"></a> -<span class="sourceLineNo">395</span> break;<a name="line.395"></a> -<span class="sourceLineNo">396</span> }<a name="line.396"></a> -<span class="sourceLineNo">397</span> }<a name="line.397"></a> -<span class="sourceLineNo">398</span> assertTrue(daughterRegion != null);<a name="line.398"></a> -<span class="sourceLineNo">399</span> for (int i=0; i<100; i++) {<a name="line.399"></a> -<span class="sourceLineNo">400</span> if (!daughterRegion.hasReferences()) break;<a name="line.400"></a> -<span class="sourceLineNo">401</span> Threads.sleep(100);<a name="line.401"></a> -<span class="sourceLineNo">402</span> }<a name="line.402"></a> -<span class="sourceLineNo">403</span> assertFalse("Waiting for reference to be compacted", daughterRegion.hasReferences());<a name="line.403"></a> -<span class="sourceLineNo">404</span> LOG.info("Daughter hri before split (has been compacted): " + daughter);<a name="line.404"></a> -<span class="sourceLineNo">405</span> split(daughter, server, regionCount);<a name="line.405"></a> -<span class="sourceLineNo">406</span> // Get list of daughters<a name="line.406"></a> -<span class="sourceLineNo">407</span> daughters = cluster.getRegions(tableName);<a name="line.407"></a> -<span class="sourceLineNo">408</span> for (HRegion d: daughters) {<a name="line.408"></a> -<span class="sourceLineNo">409</span> LOG.info("Regions before crash: " + d);<a name="line.409"></a> -<span class="sourceLineNo">410</span> }<a name="line.410"></a> -<span class="sourceLineNo">411</span> // Now crash the server<a name="line.411"></a> -<span class="sourceLineNo">412</span> cluster.abortRegionServer(tableRegionIndex);<a name="line.412"></a> -<span class="sourceLineNo">413</span> waitUntilRegionServerDead();<a name="line.413"></a> -<span class="sourceLineNo">414</span> awaitDaughters(tableName, daughters.size());<a name="line.414"></a> -<span class="sourceLineNo">415</span> // Assert daughters are online and ONLY the original daughters -- that<a name="line.415"></a> -<span class="sourceLineNo">416</span> // fixup didn't insert one during server shutdown recover.<a name="line.416"></a> -<span class="sourceLineNo">417</span> regions = cluster.getRegions(tableName);<a name="line.417"></a> -<span class="sourceLineNo">418</span> for (HRegion d: daughters) {<a name="line.418"></a> -<span class="sourceLineNo">419</span> LOG.info("Regions after crash: " + d);<a name="line.419"></a> -<span class="sourceLineNo">420</span> }<a name="line.420"></a> -<span class="sourceLineNo">421</span> if (daughters.size() != regions.size()) {<a name="line.421"></a> -<span class="sourceLineNo">422</span> LOG.info("Daughters=" + daughters.size() + ", regions=" + regions.size());<a name="line.422"></a> -<span class="sourceLineNo">423</span> }<a name="line.423"></a> -<span class="sourceLineNo">424</span> assertEquals(daughters.size(), regions.size());<a name="line.424"></a> -<span class="sourceLineNo">425</span> for (HRegion r: regions) {<a name="line.425"></a> -<span class="sourceLineNo">426</span> LOG.info("Regions post crash " + r + ", contains=" + daughters.contains(r));<a name="line.426"></a> -<span class="sourceLineNo">427</span> assertTrue("Missing region post crash " + r, daughters.contains(r));<a name="line.427"></a> -<span class="sourceLineNo">428</span> }<a name="line.428"></a> -<span class="sourceLineNo">429</span> } finally {<a name="line.429"></a> -<span class="sourceLineNo">430</span> LOG.info("EXITING");<a name="line.430"></a> -<span class="sourceLineNo">431</span> admin.setBalancerRunning(true, false);<a name="line.431"></a> -<span class="sourceLineNo">432</span> cluster.getMaster().setCatalogJanitorEnabled(true);<a name="line.432"></a> -<span class="sourceLineNo">433</span> t.close();<a name="line.433"></a> -<span class="sourceLineNo">434</span> }<a name="line.434"></a> -<span class="sourceLineNo">435</span> }<a name="line.435"></a> -<span class="sourceLineNo">436</span><a name="line.436"></a> -<span class="sourceLineNo">437</span> @Test<a name="line.437"></a> -<span class="sourceLineNo">438</span> public void testSplitShouldNotThrowNPEEvenARegionHasEmptySplitFiles() throws Exception {<a name="line.438"></a> -<span class="sourceLineNo">439</span> TableName userTableName = TableName.valueOf(name.getMethodName());<a name="line.439"></a> -<span class="sourceLineNo">440</span> HTableDescriptor htd = new HTableDescriptor(userTableName);<a name="line.440"></a> -<span class="sourceLineNo">441</span> HColumnDescriptor hcd = new HColumnDescriptor("col");<a name="line.441"></a> -<span class="sourceLineNo">442</span> htd.addFamily(hcd);<a name="line.442"></a> -<span class="sourceLineNo">443</span> admin.createTable(htd);<a name="line.443"></a> -<span class="sourceLineNo">444</span> Table table = TESTING_UTIL.getConnection().getTable(userTableName);<a name="line.444"></a> -<span class="sourceLineNo">445</span> try {<a name="line.445"></a> -<span class="sourceLineNo">446</span> for (int i = 0; i <= 5; i++) {<a name="line.446"></a> -<span class="sourceLineNo">447</span> String row = "row" + i;<a name="line.447"></a> -<span class="sourceLineNo">448</span> Put p = new Put(row.getBytes());<a name="line.448"></a> -<span class="sourceLineNo">449</span> String val = "Val" + i;<a name="line.449"></a> -<span class="sourceLineNo">450</span> p.addColumn("col".getBytes(), "ql".getBytes(), val.getBytes());<a name="line.450"></a> -<span class="sourceLineNo">451</span> table.put(p);<a name="line.451"></a> -<span class="sourceLineNo">452</span> admin.flush(userTableName);<a name="line.452"></a> -<span class="sourceLineNo">453</span> Delete d = new Delete(row.getBytes());<a name="line.453"></a> -<span class="sourceLineNo">454</span> // Do a normal delete<a name="line.454"></a> -<span class="sourceLineNo">455</span> table.delete(d);<a name="line.455"></a> -<span class="sourceLineNo">456</span> admin.flush(userTableName);<a name="line.456"></a> -<span class="sourceLineNo">457</span> }<a name="line.457"></a> -<span class="sourceLineNo">458</span> admin.majorCompact(userTableName);<a name="line.458"></a> -<span class="sourceLineNo">459</span> List<RegionInfo> regionsOfTable =<a name="line.459"></a> -<span class="sourceLineNo">460</span> cluster.getMaster().getAssignmentManager().getRegionStates()<a name="line.460"></a> -<span class="sourceLineNo">461</span> .getRegionsOfTable(userTableName);<a name="line.461"></a> -<span class="sourceLineNo">462</span> assertEquals(1, regionsOfTable.size());<a name="line.462"></a> -<span class="sourceLineNo">463</span> RegionInfo hRegionInfo = regionsOfTable.get(0);<a name="line.463"></a> -<span class="sourceLineNo">464</span> Put p = new Put("row6".getBytes());<a name="line.464"></a> -<span class="sourceLineNo">465</span> p.addColumn("col".getBytes(), "ql".getBytes(), "val".getBytes());<a name="line.465"></a> -<span class="sourceLineNo">466</span> table.put(p);<a name="line.466"></a> -<span class="sourceLineNo">467</span> p = new Put("row7".getBytes());<a name="line.467"></a> -<span class="sourceLineNo">468</span> p.addColumn("col".getBytes(), "ql".getBytes(), "val".getBytes());<a name="line.468"></a> -<span class="sourceLineNo">469</span> table.put(p);<a name="line.469"></a> -<span class="sourceLineNo">470</span> p = new Put("row8".getBytes());<a name="line.470"></a> -<span class="sourceLineNo">471</span> p.addColumn("col".getBytes(), "ql".getBytes(), "val".getBytes());<a name="line.471"></a> -<span class="sourceLineNo">472</span> table.put(p);<a name="line.472"></a> -<span class="sourceLineNo">473</span> admin.flush(userTableName);<a name="line.473"></a> -<span class="sourceLineNo">474</span> admin.splitRegion(hRegionInfo.getRegionName(), "row7".getBytes());<a name="line.474"></a> -<span class="sourceLineNo">475</span> regionsOfTable = cluster.getMaster()<a name="line.475"></a> -<span class="sourceLineNo">476</span> .getAssignmentManager().getRegionStates()<a name="line.476"></a> -<span class="sourceLineNo">477</span> .getRegionsOfTable(userTableName);<a name="line.477"></a> -<span class="sourceLineNo">478</span><a name="line.478"></a> -<span class="sourceLineNo">479</span> while (regionsOfTable.size() != 2) {<a name="line.479"></a> -<span class="sourceLineNo">480</span> Thread.sleep(1000);<a name="line.480"></a> -<span class="sourceLineNo">481</span> regionsOfTable = cluster.getMaster()<a name="line.481"></a> -<span class="sourceLineNo">482</span> .getAssignmentManager().getRegionStates()<a name="line.482"></a> -<span class="sourceLineNo">483</span> .getRegionsOfTable(userTableName);<a name="line.483"></a> -<span class="sourceLineNo">484</span> LOG.debug("waiting 2 regions to be available, got " + regionsOfTable.size() +<a name="line.484"></a> -<span class="sourceLineNo">485</span> ": " + regionsOfTable);<a name="line.485"></a> -<span class="sourceLineNo">486</span><a name="line.486"></a> -<span class="sourceLineNo">487</span> }<a name="line.487"></a> -<span class="sourceLineNo">488</span> Assert.assertEquals(2, regionsOfTable.size());<a name="line.488"></a> -<span class="sourceLineNo">489</span><a name="line.489"></a> -<span class="sourceLineNo">490</span> Scan s = new Scan();<a name="line.490"></a> -<span class="sourceLineNo">491</span> ResultScanner scanner = table.getScanner(s);<a name="line.491"></a> -<span class="sourceLineNo">492</span> int mainTableCount = 0;<a name="line.492"></a> -<span class="sourceLineNo">493</span> for (Result rr = scanner.next(); rr != null; rr = scanner.next()) {<a name="line.493"></a> -<span class="sourceLineNo">494</span> mainTableCount++;<a name="line.494"></a> -<span class="sourceLineNo">495</span> }<a name="line.495"></a> -<span class="sourceLineNo">496</span> Assert.assertEquals(3, mainTableCount);<a name="line.496"></a> -<span class="sourceLineNo">497</span> } finally {<a name="line.497"></a> -<span class="sourceLineNo">498</span> table.close();<a name="line.498"></a> -<span class="sourceLineNo">499</span> }<a name="line.499"></a> -<span class="sourceLineNo">500</span> }<a name="line.500"></a> -<span class="sourceLineNo">501</span><a name="line.501"></a> -<span class="sourceLineNo">502</span> /**<a name="line.502"></a> -<span class="sourceLineNo">503</span> * Verifies HBASE-5806. Here the case is that splitting is completed but before the<a name="line.503"></a> -<span class="sourceLineNo">504</span> * CJ could remove the parent region the master is killed and restarted.<a name="line.504"></a> -<span class="sourceLineNo">505</span> * @throws IOException<a name="line.505"></a> -<span class="sourceLineNo">506</span> * @throws InterruptedException<a name="line.506"></a> -<span class="sourceLineNo">507</span> * @throws NodeExistsException<a name="line.507"></a> -<span class="sourceLineNo">508</span> * @throws KeeperException<a name="line.508"></a> -<span class="sourceLineNo">509</span> */<a name="line.509"></a> -<span class="sourceLineNo">510</span> @Test<a name="line.510"></a> -<span class="sourceLineNo">511</span> public void testMasterRestartAtRegionSplitPendingCatalogJanitor()<a name="line.511"></a> -<span class="sourceLineNo">512</span> throws IOException, InterruptedException, NodeExistsException,<a name="line.512"></a> -<span class="sourceLineNo">513</span> KeeperException, ServiceException {<a name="line.513"></a> -<span class="sourceLineNo">514</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.514"></a> -<span class="sourceLineNo">515</span><a name="line.515"></a> -<span class="sourceLineNo">516</span> // Create table then get the single region for our new table.<a name="line.516"></a> -<span class="sourceLineNo">517</span> Table t = createTableAndWait(tableName, HConstants.CATALOG_FAMILY);<a name="line.517"></a> -<span class="sourceLineNo">518</span> List<HRegion> regions = cluster.getRegions(tableName);<a name="line.518"></a> -<span class="sourceLineNo">519</span> RegionInfo hri = getAndCheckSingleTableRegion(regions);<a name="line.519"></a> -<span class="sourceLineNo">520</span><a name="line.520"></a> -<span class="sourceLineNo">521</span> int tableRegionIndex = ensureTableRegionNotOnSameServerAsMeta(admin, hri);<a name="line.521"></a> -<span class="sourceLineNo">522</span><a name="line.522"></a> -<span class="sourceLineNo">523</span> // Turn off balancer so it doesn't cut in and mess up our placements.<a name="line.523"></a> -<span class="sourceLineNo">524</span> this.admin.setBalancerRunning(false, true);<a name="line.524"></a> -<span class="sourceLineNo">525</span> // Turn off the meta scanner so it don't remove parent on us.<a name="line.525"></a> -<span class="sourceLineNo">526</span> cluster.getMaster().setCatalogJanitorEnabled(false);<a name="line.526"></a> -<span class="sourceLineNo">527</span> try {<a name="line.527"></a> -<span class="sourceLineNo">528</span> // Add a bit of load up into the table so splittable.<a name="line.528"></a> -<span class="sourceLineNo">529</span> TESTING_UTIL.loadTable(t, HConstants.CATALOG_FAMILY, false);<a name="line.529"></a> -<span class="sourceLineNo">530</span> // Get region pre-split.<a name="line.530"></a> -<span class="sourceLineNo">531</span> HRegionServer server = cluster.getRegionServer(tableRegionIndex);<a name="line.531"></a> -<span class="sourceLineNo">532</span> printOutRegions(server, "Initial regions: ");<a name="line.532"></a> -<span class="sourceLineNo">533</span> // Call split.<a name="line.533"></a> -<span class="sourceLineNo">534</span> this.admin.splitRegion(hri.getRegionName());<a name="line.534"></a> -<span class="sourceLineNo">535</span> List<HRegion> daughters = checkAndGetDaughters(tableName);<a name="line.535"></a> -<span class="sourceLineNo">536</span> // Before cleanup, get a new master.<a name="line.536"></a> -<span class="sourceLineNo">537</span> HMaster master = abortAndWaitForMaster();<a name="line.537"></a> -<span class="sourceLineNo">538</span> // Now call compact on the daughters and clean up any references.<a name="line.538"></a> -<span class="sourceLineNo">539</span> for (HRegion daughter: daughters) {<a name="line.539"></a> -<span class="sourceLineNo">540</span> daughter.compact(true);<a name="line.540"></a> -<span class="sourceLineNo">541</span> assertFalse(daughter.hasReferences());<a name="line.541"></a> -<span class="sourceLineNo">542</span> }<a name="line.542"></a> -<span class="sourceLineNo">543</span> // BUT calling compact on the daughters is not enough. The CatalogJanitor looks<a name="line.543"></a> -<span class="sourceLineNo">544</span> // in the filesystem, and the filesystem content is not same as what the Region<a name="line.544"></a> -<span class="sourceLineNo">545</span> // is reading from. Compacted-away files are picked up later by the compacted<a name="line.545"></a> -<span class="sourceLineNo">546</span> // file discharger process. It runs infrequently. Make it run so CatalogJanitor<a name="line.546"></a> -<span class="sourceLineNo">547</span> // doens't find any references.<a name="line.547"></a> -<span class="sourceLineNo">548</span> for (RegionServerThread rst: cluster.getRegionServerThreads()) {<a name="line.548"></a> -<span class="sourceLineNo">549</span> boolean oldSetting = rst.getRegionServer().compactedFileDischarger.setUseExecutor(false);<a name="line.549"></a> -<span class="sourceLineNo">550</span> rst.getRegionServer().compactedFileDischarger.run();<a name="line.550"></a> -<span class="sourceLineNo">551</span> rst.getRegionServer().compactedFileDischarger.setUseExecutor(oldSetting);<a name="line.551"></a> -<span class="sourceLineNo">552</span> }<a name="line.552"></a> -<span class="sourceLineNo">553</span> cluster.getMaster().setCatalogJanitorEnabled(true);<a name="line.553"></a> -<span class="sourceLineNo">554</span> LOG.info("Starting run of CatalogJanitor");<a name="line.554"></a> -<span class="sourceLineNo">555</span> cluster.getMaster().getCatalogJanitor().run();<a name="line.555"></a> -<span class="sourceLineNo">556</span> ProcedureTestingUtility.waitAllProcedures(cluster.getMaster().getMasterProcedureExecutor());<a name="line.556"></a> -<span class="sou
<TRUNCATED>
