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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/07/27 14:51:34 UTC
[01/28] hbase-site git commit: Published site at
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+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
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+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
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+<span class="sourceLineNo">103</span> UTIL.waitFor(3000000, () -> UTIL.getMiniHBaseCluster().getMaster()<a name="line.103"></a>
+<span class="sourceLineNo">104</span> .getMasterProcedureExecutor().isFinished(procModify));<a name="line.104"></a>
+<span class="sourceLineNo">105</span> Assert.assertEquals("Modify Table procedure should success!",<a name="line.105"></a>
+<span class="sourceLineNo">106</span> ProcedureProtos.ProcedureState.SUCCESS, modifyTableProcedure.getState());<a name="line.106"></a>
+<span class="sourceLineNo">107</span> }<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span>}<a name="line.109"></a>
+
+
+
+
+
+
+
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+
+
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+
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+
+
+
+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
index ef9f492..51b3825 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
@@ -1129,7 +1129,35 @@
<span class="sourceLineNo">1121</span> }<a name="line.1121"></a>
<span class="sourceLineNo">1122</span> });<a name="line.1122"></a>
<span class="sourceLineNo">1123</span> }<a name="line.1123"></a>
-<span class="sourceLineNo">1124</span>}<a name="line.1124"></a>
+<span class="sourceLineNo">1124</span> @Test<a name="line.1124"></a>
+<span class="sourceLineNo">1125</span> public void testClearNotProcessedDeadServer() throws Exception {<a name="line.1125"></a>
+<span class="sourceLineNo">1126</span> LOG.info("testClearNotProcessedDeadServer");<a name="line.1126"></a>
+<span class="sourceLineNo">1127</span> NUM_DEAD_SERVERS = cluster.getClusterMetrics().getDeadServerNames().size();<a name="line.1127"></a>
+<span class="sourceLineNo">1128</span> RSGroupInfo appInfo = addGroup("deadServerGroup", 1);<a name="line.1128"></a>
+<span class="sourceLineNo">1129</span> ServerName targetServer =<a name="line.1129"></a>
+<span class="sourceLineNo">1130</span> ServerName.parseServerName(appInfo.getServers().iterator().next().toString());<a name="line.1130"></a>
+<span class="sourceLineNo">1131</span> AdminProtos.AdminService.BlockingInterface targetRS =<a name="line.1131"></a>
+<span class="sourceLineNo">1132</span> ((ClusterConnection) admin.getConnection()).getAdmin(targetServer);<a name="line.1132"></a>
+<span class="sourceLineNo">1133</span> try {<a name="line.1133"></a>
+<span class="sourceLineNo">1134</span> targetServer = ProtobufUtil.toServerName(targetRS.getServerInfo(null,<a name="line.1134"></a>
+<span class="sourceLineNo">1135</span> AdminProtos.GetServerInfoRequest.newBuilder().build()).getServerInfo().getServerName());<a name="line.1135"></a>
+<span class="sourceLineNo">1136</span> //stopping may cause an exception<a name="line.1136"></a>
+<span class="sourceLineNo">1137</span> //due to the connection loss<a name="line.1137"></a>
+<span class="sourceLineNo">1138</span> targetRS.stopServer(null,<a name="line.1138"></a>
+<span class="sourceLineNo">1139</span> AdminProtos.StopServerRequest.newBuilder().setReason("Die").build());<a name="line.1139"></a>
+<span class="sourceLineNo">1140</span> NUM_DEAD_SERVERS ++;<a name="line.1140"></a>
+<span class="sourceLineNo">1141</span> } catch(Exception e) {<a name="line.1141"></a>
+<span class="sourceLineNo">1142</span> }<a name="line.1142"></a>
+<span class="sourceLineNo">1143</span> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {<a name="line.1143"></a>
+<span class="sourceLineNo">1144</span> @Override<a name="line.1144"></a>
+<span class="sourceLineNo">1145</span> public boolean evaluate() throws Exception {<a name="line.1145"></a>
+<span class="sourceLineNo">1146</span> return cluster.getClusterMetrics().getDeadServerNames().size() == NUM_DEAD_SERVERS;<a name="line.1146"></a>
+<span class="sourceLineNo">1147</span> }<a name="line.1147"></a>
+<span class="sourceLineNo">1148</span> });<a name="line.1148"></a>
+<span class="sourceLineNo">1149</span> List<ServerName> notClearedServers = admin.clearDeadServers(Lists.newArrayList(targetServer));<a name="line.1149"></a>
+<span class="sourceLineNo">1150</span> assertEquals(1, notClearedServers.size());<a name="line.1150"></a>
+<span class="sourceLineNo">1151</span> }<a name="line.1151"></a>
+<span class="sourceLineNo">1152</span>}<a name="line.1152"></a>
[07/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.Testing.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.Testing.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.Testing.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.Testing.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.Testing.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
-<span class="sourceLineNo">075</span>public class ProcedureExecutor<TEnvironment> {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public static class Testing {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> protected boolean killIfSuspended = false;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected boolean killBeforeStoreUpdate = false;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> void procedureLoaded(long procId);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> void procedureFinished(long procId);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> private final Procedure<TEnvironment> procedure;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> private long clientAckTime;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.procedure = procedure;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> public Procedure<TEnvironment> getProcedure() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return procedure;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public boolean hasClientAckTime() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return clientAckTime;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
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-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
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-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
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-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
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-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
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-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
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-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
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-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
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+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
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+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
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+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
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+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
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+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
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+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
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+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">331</span><a name="line.331"></a>
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-<span class="sourceLineNo">333</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.338"></a>
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-<span class="sourceLineNo">344</span><a name="line.344"></a>
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-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
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-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
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-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
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-<span class="sourceLineNo">366</span> proc.restoreLock(getEnvironment());<a name="line.366"></a>
-<span class="sourceLineNo">367</span> restored.add(proc.getProcId());<a name="line.367"></a>
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-<span class="sourceLineNo">372</span> restoreLock(stack.pop(), restored);<a name="line.372"></a>
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-<span class="sourceLineNo">374</span> }<a name="line.374"></a>
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-<span class="sourceLineNo">378</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.378"></a>
-<span class="sourceLineNo">379</span> // calling the acquireLock method for the parent procedure.<a name="line.379"></a>
-<span class="sourceLineNo">380</span> // The algorithm is straight-forward:<a name="line.380"></a>
-<span class="sourceLineNo">381</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.381"></a>
-<span class="sourceLineNo">382</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.382"></a>
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-<span class="sourceLineNo">386</span> // b. The lock has already been restored(by checking the set introduced in #1)<a name="line.386"></a>
-<span class="sourceLineNo">387</span> // then we start to pop the stack and call acquireLock for each procedure.<a name="line.387"></a>
-<span class="sourceLineNo">388</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.388"></a>
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-<span class="sourceLineNo">400</span> restoreLocks(stack, restored);<a name="line.400"></a>
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-<span class="sourceLineNo">403</span> stack.push(proc);<a name="line.403"></a>
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-<span class="sourceLineNo">411</span> // 1. Build the rollback stack<a name="line.411"></a>
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+<span class="sourceLineNo">331</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.331"></a>
+<span class="sourceLineNo">332</span> this.environment = environment;<a name="line.332"></a>
+<span class="sourceLineNo">333</span> this.scheduler = scheduler;<a name="line.333"></a>
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+<span class="sourceLineNo">335</span> this.conf = conf;<a name="line.335"></a>
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+<span class="sourceLineNo">337</span> refreshConfiguration(conf);<a name="line.337"></a>
+<span class="sourceLineNo">338</span><a name="line.338"></a>
+<span class="sourceLineNo">339</span> }<a name="line.339"></a>
+<span class="sourceLineNo">340</span><a name="line.340"></a>
+<span class="sourceLineNo">341</span> private void load(final boolean abortOnCorruption) throws IOException {<a name="line.341"></a>
+<span class="sourceLineNo">342</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.342"></a>
+<span class="sourceLineNo">343</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.343"></a>
+<span class="sourceLineNo">344</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.344"></a>
+<span class="sourceLineNo">345</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.345"></a>
+<span class="sourceLineNo">346</span><a name="line.346"></a>
+<span class="sourceLineNo">347</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.347"></a>
+<span class="sourceLineNo">348</span> @Override<a name="line.348"></a>
+<span class="sourceLineNo">349</span> public void setMaxProcId(long maxProcId) {<a name="line.349"></a>
+<span class="sourceLineNo">350</span> assert lastProcId.get() < 0 : "expected only one call to setMaxProcId()";<a name="line.350"></a>
+<span class="sourceLineNo">351</span> lastProcId.set(maxProcId);<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span> @Override<a name="line.354"></a>
+<span class="sourceLineNo">355</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.355"></a>
+<span class="sourceLineNo">356</span> loadProcedures(procIter, abortOnCorruption);<a name="line.356"></a>
+<span class="sourceLineNo">357</span> }<a name="line.357"></a>
+<span class="sourceLineNo">358</span><a name="line.358"></a>
+<span class="sourceLineNo">359</span> @Override<a name="line.359"></a>
+<span class="sourceLineNo">360</span> public void handleCorrupted(ProcedureIterator procIter) throws IOException {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> int corruptedCount = 0;<a name="line.361"></a>
+<span class="sourceLineNo">362</span> while (procIter.hasNext()) {<a name="line.362"></a>
+<span class="sourceLineNo">363</span> Procedure<?> proc = procIter.next();<a name="line.363"></a>
+<span class="sourceLineNo">364</span> LOG.error("Corrupt " + proc);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> corruptedCount++;<a name="line.365"></a>
+<span class="sourceLineNo">366</span> }<a name="line.366"></a>
+<span class="sourceLineNo">367</span> if (abortOnCorruption && corruptedCount > 0) {<a name="line.367"></a>
+<span class="sourceLineNo">368</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span> }<a name="line.370"></a>
+<span class="sourceLineNo">371</span> });<a name="line.371"></a>
+<span class="sourceLineNo">372</span> }<a name="line.372"></a>
+<span class="sourceLineNo">373</span><a name="line.373"></a>
+<span class="sourceLineNo">374</span> private void restoreLock(Procedure<TEnvironment> proc, Set<Long> restored) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span> proc.restoreLock(getEnvironment());<a name="line.375"></a>
+<span class="sourceLineNo">376</span> restored.add(proc.getProcId());<a name="line.376"></a>
+<span class="sourceLineNo">377</span> }<a name="line.377"></a>
+<span class="sourceLineNo">378</span><a name="line.378"></a>
+<span class="sourceLineNo">379</span> private void restoreLocks(Deque<Procedure<TEnvironment>> stack, Set<Long> restored) {<a name="line.379"></a>
+<span class="sourceLineNo">380</span> while (!stack.isEmpty()) {<a name="line.380"></a>
+<span class="sourceLineNo">381</span> restoreLock(stack.pop(), restored);<a name="line.381"></a>
+<span class="sourceLineNo">382</span> }<a name="line.382"></a>
+<span class="sourceLineNo">383</span> }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> // Restore the locks for all the procedures.<a name="line.385"></a>
+<span class="sourceLineNo">386</span> // Notice that we need to restore the locks starting from the root proc, otherwise there will be<a name="line.386"></a>
+<span class="sourceLineNo">387</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.387"></a>
+<span class="sourceLineNo">388</span> // calling the acquireLock method for the parent procedure.<a name="line.388"></a>
+<span class="sourceLineNo">389</span> // The algorithm is straight-forward:<a name="line.389"></a>
+<span class="sourceLineNo">390</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.390"></a>
+<span class="sourceLineNo">391</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.391"></a>
+<span class="sourceLineNo">392</span> // 3. For all the procedure, we will first try to find its parent and push it into the stack,<a name="line.392"></a>
+<span class="sourceLineNo">393</span> // unless<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // a. We have no parent, i.e, we are the root procedure<a name="line.394"></a>
+<span class="sourceLineNo">395</span> // b. The lock has already been restored(by checking the set introduced in #1)<a name="line.395"></a>
+<span class="sourceLineNo">396</span> // then we start to pop the stack and call acquireLock for each procedure.<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.397"></a>
+<span class="sourceLineNo">398</span> private void restoreLocks() {<a name="line.398"></a>
+<span class="sourceLineNo">399</span> Set<Long> restored = new HashSet<>();<a name="line.399"></a>
+<span class="sourceLineNo">400</span> Deque<Procedure<TEnvironment>> stack = new ArrayDeque<>();<a name="line.400"></a>
+<span class="sourceLineNo">401</span> procedures.values().forEach(proc -> {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> for (;;) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span> if (restored.contains(proc.getProcId())) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span> restoreLocks(stack, restored);<a name="line.404"></a>
+<span class="sourceLineNo">405</span> return;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> }<a name="line.406"></a>
+<span class="sourceLineNo">407</span> if (!proc.hasParent()) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span> restoreLock(proc, restored);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> restoreLocks(stack, restored);<a name="line.409"></a>
+<span class="sourceLineNo">410</span> return;<a name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> stack.push(proc);<a name="line.412"></a>
+<span class="sourceLineNo">413</span> proc = procedures.get(proc.getParentProcId());<a name="line.413"></a>
+<span class="sourceLineNo">414</span> }<a name="line.414"></a>
+<span class="sourceLineNo">415</span> });<a name="line.415"></a>
+<span class="sourceLineNo">416</span> }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span> private void loadProcedures(ProcedureIterator procIter, boolean abortOnCorruption)<a name="line.418"></a>
+<span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span> // 1. Build the rollback stack<a name="line.420"></a>
+<span class="sourceLineNo">421</span> int runnablesCount = 0;<a name="line.421"></a>
+<span class="sourceLineNo">422</span> int failedCount = 0;<a name="line.422"></a>
+<span class="sourceLineNo">423</span> while (procIter.hasNext()) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> boolean finished = procIter.isNextFinished();<a name="line.424"></a>
+<span class="sourceLineNo">425</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.425"></a>
+<span class="sourceLineNo">426</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> long procId = proc.getProcId();<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
-<span class="sourceLineNo">429</span> // add the procedure to the map<a name="line.429"></a>
-<span class="sourceLineNo">430</span> proc.beforeReplay(getEnvironment());<a name="line.430"></a>
-<span class="sourceLineNo">431</span> procedures.put(proc.getProcId(), proc);<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.433"></a>
-<span class="sourceLineNo">434</span> runnablesCount++;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> failedCount++;<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span> // add the nonce to the map<a name="line.440"></a>
-<span class="sourceLineNo">441</span> if (nonceKey != null) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.442"></a>
-<span class="sourceLineNo">443</span> }<a name="line.443"></a>
-<span class="sourceLineNo">444</span> }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span> // 2. Initialize the stacks<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.448"></a>
-<span class="sourceLineNo">449</span> // introduce the restore lock stage.<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.450"></a>
-<span class="sourceLineNo">451</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.452"></a>
-<span class="sourceLineNo">453</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.453"></a>
-<span class="sourceLineNo">454</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.454"></a>
-<span class="sourceLineNo">455</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.456"></a>
-<span class="sourceLineNo">457</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> procIter.reset();<a name="line.460"></a>
-<span class="sourceLineNo">461</span> while (procIter.hasNext()) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> if (procIter.isNextFinished()) {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> procIter.skipNext();<a name="line.463"></a>
-<span class="sourceLineNo">464</span> continue;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.467"></a>
-<span class="sourceLineNo">468</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.468"></a>
-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> LOG.debug("Loading {}", proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> Long rootProcId = getRootProcedureId(proc);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (rootProcId == null) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.474"></a>
-<span class="sourceLineNo">475</span> scheduler.addBack(proc);<a name="line.475"></a>
-<span class="sourceLineNo">476</span> continue;<a name="line.476"></a>
-<span class="sourceLineNo">477</span> }<a name="line.477"></a>
+<span class="sourceLineNo">429</span> if (finished) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.430"></a>
+<span class="sourceLineNo">431</span> LOG.debug("Completed {}", proc);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> } else {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> if (!proc.hasParent()) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.434"></a>
+<span class="sourceLineNo">435</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> // add the procedure to the map<a name="line.438"></a>
+<span class="sourceLineNo">439</span> proc.beforeReplay(getEnvironment());<a name="line.439"></a>
+<span class="sourceLineNo">440</span> procedures.put(proc.getProcId(), proc);<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> runnablesCount++;<a name="line.443"></a>
+<span class="sourceLineNo">444</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.444"></a>
+<span class="sourceLineNo">445</span> failedCount++;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span><a name="line.448"></a>
+<span class="sourceLineNo">449</span> // add the nonce to the map<a name="line.449"></a>
+<span class="sourceLineNo">450</span> if (nonceKey != null) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // 2. Initialize the stacks<a name="line.455"></a>
+<span class="sourceLineNo">456</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.457"></a>
+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.459"></a>
+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinished()) {<a name="line.482"></a>
-<span class="sourceLineNo">483</span> parent.incC
<TRUNCATED>
[10/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.FailedProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.FailedProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.FailedProcedure.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.FailedProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.FailedProcedure.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
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-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
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-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
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-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
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-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
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-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
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-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
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-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
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-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
+<span class="sourceLineNo">226</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> store.delete(batchIds, 0, batchCount);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
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+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
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+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
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+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
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+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
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+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
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+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
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+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
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+<span class="sourceLineNo">404</span> restoreLocks(stack, restored);<a name="line.404"></a>
+<span class="sourceLineNo">405</span> return;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> }<a name="line.406"></a>
+<span class="sourceLineNo">407</span> if (!proc.hasParent()) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span> restoreLock(proc, restored);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> restoreLocks(stack, restored);<a name="line.409"></a>
+<span class="sourceLineNo">410</span> return;<a name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> stack.push(proc);<a name="line.412"></a>
+<span class="sourceLineNo">413</span> proc = procedures.get(proc.getParentProcId());<a name="line.413"></a>
+<span class="sourceLineNo">414</span> }<a name="line.414"></a>
+<span class="sourceLineNo">415</span> });<a name="line.415"></a>
+<span class="sourceLineNo">416</span> }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span> private void loadProcedures(ProcedureIterator procIter, boolean abortOnCorruption)<a name="line.418"></a>
+<span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span> // 1. Build the rollback stack<a name="line.420"></a>
+<span class="sourceLineNo">421</span> int runnablesCount = 0;<a name="line.421"></a>
+<span class="sourceLineNo">422</span> int failedCount = 0;<a name="line.422"></a>
+<span class="sourceLineNo">423</span> while (procIter.hasNext()) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> boolean finished = procIter.isNextFinished();<a name="line.424"></a>
+<span class="sourceLineNo">425</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.425"></a>
+<span class="sourceLineNo">426</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> long procId = proc.getProcId();<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
-<span class="sourceLineNo">429</span> // add the procedure to the map<a name="line.429"></a>
-<span class="sourceLineNo">430</span> proc.beforeReplay(getEnvironment());<a name="line.430"></a>
-<span class="sourceLineNo">431</span> procedures.put(proc.getProcId(), proc);<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.433"></a>
-<span class="sourceLineNo">434</span> runnablesCount++;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> failedCount++;<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span> // add the nonce to the map<a name="line.440"></a>
-<span class="sourceLineNo">441</span> if (nonceKey != null) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.442"></a>
-<span class="sourceLineNo">443</span> }<a name="line.443"></a>
-<span class="sourceLineNo">444</span> }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span> // 2. Initialize the stacks<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.448"></a>
-<span class="sourceLineNo">449</span> // introduce the restore lock stage.<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.450"></a>
-<span class="sourceLineNo">451</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.452"></a>
-<span class="sourceLineNo">453</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.453"></a>
-<span class="sourceLineNo">454</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.454"></a>
-<span class="sourceLineNo">455</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.456"></a>
-<span class="sourceLineNo">457</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> procIter.reset();<a name="line.460"></a>
-<span class="sourceLineNo">461</span> while (procIter.hasNext()) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> if (procIter.isNextFinished()) {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> procIter.skipNext();<a name="line.463"></a>
-<span class="sourceLineNo">464</span> continue;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.467"></a>
-<span class="sourceLineNo">468</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.468"></a>
-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> LOG.debug("Loading {}", proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> Long rootProcId = getRootProcedureId(proc);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (rootProcId == null) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.474"></a>
-<span class="sourceLineNo">475</span> scheduler.addBack(proc);<a name="line.475"></a>
-<span class="sourceLineNo">476</span> continue;<a name="line.476"></a>
-<span class="sourceLineNo">477</span> }<a name="line.477"></a>
+<span class="sourceLineNo">429</span> if (finished) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.430"></a>
+<span class="sourceLineNo">431</span> LOG.debug("Completed {}", proc);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> } else {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> if (!proc.hasParent()) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.434"></a>
+<span class="sourceLineNo">435</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> // add the procedure to the map<a name="line.438"></a>
+<span class="sourceLineNo">439</span> proc.beforeReplay(getEnvironment());<a name="line.439"></a>
+<span class="sourceLineNo">440</span> procedures.put(proc.getProcId(), proc);<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> runnablesCount++;<a name="line.443"></a>
+<span class="sourceLineNo">444</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.444"></a>
+<span class="sourceLineNo">445</span> failedCount++;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span><a name="line.448"></a>
+<span class="sourceLineNo">449</span> // add the nonce to the map<a name="line.449"></a>
+<span class="sourceLineNo">450</span> if (nonceKey != null) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // 2. Initialize the stacks<a name="line.455"></a>
+<span class="sourceLineNo">456</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.457"></a>
+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.459"></a>
+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinished()) {<a name="line.482"></a>
-<span class="sourc
<TRUNCATED>
[27/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/checkstyle-aggregate.html
----------------------------------------------------------------------
diff --git a/checkstyle-aggregate.html b/checkstyle-aggregate.html
index 35105b3..fe45785 100644
--- a/checkstyle-aggregate.html
+++ b/checkstyle-aggregate.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Checkstyle Results</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -281,10 +281,10 @@
<th><img src="images/icon_warning_sml.gif" alt="" /> Warnings</th>
<th><img src="images/icon_error_sml.gif" alt="" /> Errors</th></tr>
<tr class="b">
-<td>3695</td>
+<td>3696</td>
<td>0</td>
<td>0</td>
-<td>15633</td></tr></table></div>
+<td>15632</td></tr></table></div>
<div class="section">
<h2><a name="Files"></a>Files</h2>
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<td><a href="#org.apache.hadoop.hbase.zookeeper.ZooKeeperHelper.java">org/apache/hadoop/hbase/zookeeper/ZooKeeperHelper.java</a></td>
<td>0</td>
<td>0</td>
@@ -9806,67 +9801,67 @@
<div class="section">
<h2><a name="Rules"></a>Rules</h2>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Category</th>
<th>Rule</th>
<th>Violations</th>
<th>Severity</th></tr>
-<tr class="a">
+<tr class="b">
<td>annotation</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_annotation.html#MissingDeprecated">MissingDeprecated</a></td>
<td>141</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td>blocks</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_blocks.html#EmptyBlock">EmptyBlock</a></td>
<td>44</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_blocks.html#LeftCurly">LeftCurly</a></td>
<td>194</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_blocks.html#NeedBraces">NeedBraces</a></td>
<td>1851</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td>coding</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_coding.html#EmptyStatement">EmptyStatement</a></td>
<td>31</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_coding.html#EqualsHashCode">EqualsHashCode</a></td>
<td>4</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_coding.html#InnerAssignment">InnerAssignment</a></td>
<td>92</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_coding.html#NoFinalizer">NoFinalizer</a></td>
<td>1</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td>design</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_design.html#FinalClass">FinalClass</a></td>
-<td>54</td>
+<td>53</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_design.html#HideUtilityClassConstructor">HideUtilityClassConstructor</a></td>
<td>98</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_design.html#InterfaceIsType">InterfaceIsType</a></td>
<td>1</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_design.html#VisibilityModifier">VisibilityModifier</a>
<ul>
@@ -9875,12 +9870,12 @@
<li>allowPublicImmutableFields: <tt>"true"</tt></li></ul></td>
<td>124</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td>imports</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_imports.html#AvoidStarImport">AvoidStarImport</a></td>
<td>79</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_imports.html#ImportOrder">ImportOrder</a>
<ul>
@@ -9890,19 +9885,19 @@
<li>option: <tt>"top"</tt></li></ul></td>
<td>1156</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_imports.html#RedundantImport">RedundantImport</a></td>
<td>26</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_imports.html#UnusedImports">UnusedImports</a>
<ul>
<li>processJavadoc: <tt>"true"</tt></li></ul></td>
<td>113</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td>indentation</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_indentation.html#Indentation">Indentation</a>
<ul>
@@ -9913,29 +9908,29 @@
<li>lineWrappingIndentation: <tt>"2"</tt></li></ul></td>
<td>4989</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td>javadoc</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_javadoc.html#JavadocTagContinuationIndentation">JavadocTagContinuationIndentation</a>
<ul>
<li>offset: <tt>"2"</tt></li></ul></td>
<td>770</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_javadoc.html#NonEmptyAtclauseDescription">NonEmptyAtclauseDescription</a></td>
<td>3644</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td>misc</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_misc.html#ArrayTypeStyle">ArrayTypeStyle</a></td>
<td>148</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_misc.html#UpperEll">UpperEll</a></td>
<td>44</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td>sizes</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_sizes.html#LineLength">LineLength</a>
<ul>
@@ -9943,22 +9938,22 @@
<li>ignorePattern: <tt>"^package.*|^import.*|a href|href|http://|https://|ftp://|org.apache.thrift.|com.google.protobuf.|hbase.protobuf.generated"</tt></li></ul></td>
<td>1524</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_sizes.html#MethodLength">MethodLength</a></td>
<td>68</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td>whitespace</td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_whitespace.html#FileTabCharacter">FileTabCharacter</a></td>
<td>9</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="a">
+<tr class="b">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_whitespace.html#MethodParamPad">MethodParamPad</a></td>
<td>167</td>
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td></tr>
-<tr class="b">
+<tr class="a">
<td></td>
<td><a class="externalLink" href="http://checkstyle.sourceforge.net/config_whitespace.html#ParenPad">ParenPad</a></td>
<td>261</td>
@@ -9968,49 +9963,49 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.AcidGuaranteesTestTool.java">org/apache/hadoop/hbase/AcidGuaranteesTestTool.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>138</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>163</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>215</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>216</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>282</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
<td>Array brackets at illegal position.</td>
<td>283</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>misc</td>
<td>ArrayTypeStyle</td>
@@ -10019,157 +10014,157 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.AsyncMetaTableAccessor.java">org/apache/hadoop/hbase/AsyncMetaTableAccessor.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>design</td>
<td>HideUtilityClassConstructor</td>
<td>Utility classes should not have a public or default constructor.</td>
<td>62</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>109</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'lambda arguments' has incorrect indentation level 8, expected level should be 14.</td>
<td>121</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'if' has incorrect indentation level 10, expected level should be 16.</td>
<td>122</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'if' child has incorrect indentation level 12, expected level should be 18.</td>
<td>123</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'if' child has incorrect indentation level 12, expected level should be 18.</td>
<td>124</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'if rcurly' has incorrect indentation level 10, expected level should be 16.</td>
<td>125</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'block' child has incorrect indentation level 10, expected level should be 16.</td>
<td>126</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'block rcurly' has incorrect indentation level 8, expected level should be 14.</td>
<td>128</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>138</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>178</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>191</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>217</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
<td>Line is longer than 100 characters (found 117).</td>
<td>233</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>244</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>275</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>288</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>394</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>396</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>404</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>412</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>457</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>462</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>480</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -10178,19 +10173,19 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.AuthUtil.java">org/apache/hadoop/hbase/AuthUtil.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>design</td>
<td>FinalClass</td>
<td>Class AuthUtil should be declared as final.</td>
<td>69</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -10199,13 +10194,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.BBKVComparator.java">org/apache/hadoop/hbase/BBKVComparator.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
@@ -10214,25 +10209,25 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ByteBufferKeyOnlyKeyValue.java">org/apache/hadoop/hbase/ByteBufferKeyOnlyKeyValue.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>59</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>60</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -10241,13 +10236,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.Cell.java">org/apache/hadoop/hbase/Cell.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
@@ -10256,31 +10251,31 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CellBuilderFactory.java">org/apache/hadoop/hbase/CellBuilderFactory.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
<td>Line is longer than 100 characters (found 109).</td>
<td>25</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
<td>Line is longer than 100 characters (found 107).</td>
<td>27</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
<td>Line is longer than 100 characters (found 113).</td>
<td>28</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
@@ -10289,13 +10284,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CellComparator.java">org/apache/hadoop/hbase/CellComparator.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
@@ -10304,13 +10299,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CellComparatorImpl.java">org/apache/hadoop/hbase/CellComparatorImpl.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
@@ -10319,13 +10314,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CellScanner.java">org/apache/hadoop/hbase/CellScanner.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -10334,409 +10329,409 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CellUtil.java">org/apache/hadoop/hbase/CellUtil.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>143</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>156</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>157</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>376</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>377</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>378</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>389</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>390</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>391</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>annotation</td>
<td>MissingDeprecated</td>
<td>Must include both @java.lang.Deprecated annotation and @deprecated Javadoc tag with description.</td>
<td>402</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>420</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>522</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>534</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>535</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>552</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>553</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>554</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>597</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>615</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>618</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>626</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>630</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>635</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>637</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>640</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>660</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>670</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>676</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>685</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>703</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>718</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>719</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>816</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>830</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>844</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>859</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>986</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1013</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1026</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1027</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1028</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1107</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1108</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1119</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1120</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1131</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1145</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1146</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1159</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1185</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1199</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1217</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>1227</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1248</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>1250</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1260</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1261</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1262</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1263</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1264</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1355</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1356</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>1362</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1385</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>1386</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>1471</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -10745,31 +10740,31 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ChoreService.java">org/apache/hadoop/hbase/ChoreService.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>172</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>302</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>374</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -10778,31 +10773,31 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ClassFinder.java">org/apache/hadoop/hbase/ClassFinder.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>LeftCurly</td>
<td>'{' at column 54 should have line break after.</td>
<td>70</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>LeftCurly</td>
<td>'{' at column 46 should have line break after.</td>
<td>71</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>LeftCurly</td>
<td>'{' at column 40 should have line break after.</td>
<td>72</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>LeftCurly</td>
@@ -10811,31 +10806,31 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ClusterId.java">org/apache/hadoop/hbase/ClusterId.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
<td>Wrong order for 'org.apache.hadoop.hbase.exceptions.DeserializationException' import.</td>
<td>25</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
<td>Wrong order for 'org.apache.hadoop.hbase.util.Bytes' import.</td>
<td>28</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>60</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -10844,13 +10839,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ClusterManager.java">org/apache/hadoop/hbase/ClusterManager.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
@@ -10859,13 +10854,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ClusterStatus.java">org/apache/hadoop/hbase/ClusterStatus.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -10874,37 +10869,37 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CompoundConfiguration.java">org/apache/hadoop/hbase/CompoundConfiguration.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'member def modifier' has incorrect indentation level 3, expected level should be 4.</td>
<td>79</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>183</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>186</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 6, expected level should be 8.</td>
<td>198</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
@@ -10913,13 +10908,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.CoordinatedStateManager.java">org/apache/hadoop/hbase/CoordinatedStateManager.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
@@ -10928,19 +10923,19 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.Coprocessor.java">org/apache/hadoop/hbase/Coprocessor.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
<td>Wrong order for 'com.google.protobuf.Service' import.</td>
<td>25</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
@@ -10949,43 +10944,43 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.DistributedHBaseCluster.java">org/apache/hadoop/hbase/DistributedHBaseCluster.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>81</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>105</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>111</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>238</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>438</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -10994,25 +10989,25 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.DoNotRetryIOException.java">org/apache/hadoop/hbase/DoNotRetryIOException.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>40</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>47</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11021,13 +11016,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.DroppedSnapshotException.java">org/apache/hadoop/hbase/DroppedSnapshotException.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11036,13 +11031,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.ExtendedCell.java">org/apache/hadoop/hbase/ExtendedCell.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11051,19 +11046,19 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.GenericTestUtils.java">org/apache/hadoop/hbase/GenericTestUtils.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>LeftCurly</td>
<td>'{' at column 3 should be on the previous line.</td>
<td>99</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -11072,13 +11067,13 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseClassTestRuleChecker.java">org/apache/hadoop/hbase/HBaseClassTestRuleChecker.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>UnusedImports</td>
@@ -11087,43 +11082,43 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseCluster.java">org/apache/hadoop/hbase/HBaseCluster.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>102</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>108</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>114</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>349</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>353</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11132,19 +11127,19 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseClusterManager.java">org/apache/hadoop/hbase/HBaseClusterManager.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
<td>Line is longer than 100 characters (found 104).</td>
<td>68</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>sizes</td>
<td>LineLength</td>
@@ -11153,85 +11148,85 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseCommonTestingUtility.java">org/apache/hadoop/hbase/HBaseCommonTestingUtility.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'array initialization' child has incorrect indentation level 6, expected level should be 4.</td>
<td>61</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>101</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>102</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>112</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>115</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>136</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>160</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>175</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>188</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>200</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>201</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>214</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
@@ -11240,43 +11235,43 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseConfiguration.java">org/apache/hadoop/hbase/HBaseConfiguration.java</h3>
<table border="0" class="table table-striped">
-<tr class="a">
+<tr class="b">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>66</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>100</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'catch' child has incorrect indentation level 7, expected level should be 6.</td>
<td>164</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>181</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>210</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11285,157 +11280,157 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseTestCase.java">org/apache/hadoop/hbase/HBaseTestCase.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>imports</td>
<td>ImportOrder</td>
<td>Wrong order for 'junit.framework.AssertionFailedError' import.</td>
<td>44</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>91</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>141</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method def modifier' has incorrect indentation level 4, expected level should be 2.</td>
<td>144</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method def' child has incorrect indentation level 6, expected level should be 4.</td>
<td>145</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method def rcurly' has incorrect indentation level 4, expected level should be 2.</td>
<td>146</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>151</td></tr>
-<tr class="b">
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<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>152</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>153</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>155</td></tr>
-<tr class="a">
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<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
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<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>159</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
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<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>165</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
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<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>171</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>224</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>225</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>226</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>227</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>231</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>250</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>268</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>272</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>286</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'throws' has incorrect indentation level 2, expected level should be 4.</td>
<td>292</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>394</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
@@ -11444,1663 +11439,1663 @@
<div class="section">
<h3 id="org.apache.hadoop.hbase.HBaseTestingUtility.java">org/apache/hadoop/hbase/HBaseTestingUtility.java</h3>
<table border="0" class="table table-striped">
-<tr class="b">
+<tr class="a">
<th>Severity</th>
<th>Category</th>
<th>Rule</th>
<th>Message</th>
<th>Line</th></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>384</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>386</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'if' child has incorrect indentation level 7, expected level should be 8.</td>
<td>463</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method call' child has incorrect indentation level 9, expected level should be 10.</td>
<td>464</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method call' child has incorrect indentation level 9, expected level should be 10.</td>
<td>465</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method call' child has incorrect indentation level 9, expected level should be 10.</td>
<td>466</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>indentation</td>
<td>Indentation</td>
<td>'method call rparen' has incorrect indentation level 7, expected level should be 8.</td>
<td>467</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>JavadocTagContinuationIndentation</td>
<td>Line continuation have incorrect indentation level, expected level should be 2.</td>
<td>479</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>561</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</td>
<td>565</td></tr>
-<tr class="a">
+<tr class="b">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>javadoc</td>
<td>NonEmptyAtclauseDescription</td>
<td>At-clause should have a non-empty description.</td>
<td>573</td></tr>
-<tr class="b">
+<tr class="a">
<td><img src="images/icon_error_sml.gif" alt="" /> Error</td>
<td>blocks</td>
<td>NeedBraces</td>
<td>'if' construct must use '{}'s.</t
<TRUNCATED>
[14/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
<span class="sourceLineNo">645</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.645"></a>
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-<span class="sourceLineNo">653</span> } else {<a name="line.653"></a>
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-<span class="sourceLineNo">655</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.655"></a>
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-<span class="sourceLineNo">660</span> // finished maybe, but not a problem).<a name="line.660"></a>
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-<span class="sourceLineNo">671</span> // the region has been moved, so we can make sure that the region has been reopened.<a name="line.671"></a>
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-<span class="sourceLineNo">673</span> }<a name="line.673"></a>
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-<span class="sourceLineNo">675</span> // is changed to OPEN.<a name="line.675"></a>
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-<span class="sourceLineNo">677</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<a name="line.677"></a>
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-<span class="sourceLineNo">712</span> final RegionInfo hri = node.getRegionInfo();<a name="line.712"></a>
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-<span class="sourceLineNo">732</span> // Split helpers<a name="line.732"></a>
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-<span class="sourceLineNo">735</span> // ============================================================================================<a name="line.735"></a>
+<span class="sourceLineNo">646</span> // HBASE-20921<a name="line.646"></a>
+<span class="sourceLineNo">647</span> // if the oldLoc's state node does not exist, that means the region is<a name="line.647"></a>
+<span class="sourceLineNo">648</span> // merged or split, no need to check it<a name="line.648"></a>
+<span class="sourceLineNo">649</span> if (node == null) {<a name="line.649"></a>
+<span class="sourceLineNo">650</span> return null;<a name="line.650"></a>
+<span class="sourceLineNo">651</span> }<a name="line.651"></a>
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+<span class="sourceLineNo">653</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.653"></a>
+<span class="sourceLineNo">654</span> // in OPEN state before<a name="line.654"></a>
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+<span class="sourceLineNo">662</span> node.getOpenSeqNum());<a name="line.662"></a>
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+<span class="sourceLineNo">679</span> }<a name="line.679"></a>
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+<span class="sourceLineNo">1065</span> RegionFailedOpen newNode = new RegionFailedOpen(regionNode);<a name="line.1065"></a>
+<span class="sourceLineNo">1066</span> RegionFailedOpen oldNode = regionFailedOpen.putIfAbsent(key, newNode);<a name="line.1066"></a>
+<span class="sourceLineNo">1067</span> node = oldNode != null ? oldNode : newNode;<a name="line.1067"></a>
+<span class="sourceLineNo">1068</span
<TRUNCATED>
[15/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerStateNode.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerStateNode.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerStateNode.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerStateNode.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerStateNode.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
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-<span class="sourceLineNo">660</span> // finished maybe, but not a problem).<a name="line.660"></a>
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+<span class="sourceLineNo">666</span> // finished maybe, but not a problem).<a name="line.666"></a>
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+<span class="sourceLineNo">1025</span> // ==========================================================================<a name="line.1025"></a>
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+<span class="sourceLineNo">1067</span> node = oldNode != null ? o
<TRUNCATED>
[26/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/checkstyle.rss
----------------------------------------------------------------------
diff --git a/checkstyle.rss b/checkstyle.rss
index b85063e..579f337 100644
--- a/checkstyle.rss
+++ b/checkstyle.rss
@@ -25,8 +25,8 @@ under the License.
<language>en-us</language>
<copyright>©2007 - 2018 The Apache Software Foundation</copyright>
<item>
- <title>File: 3695,
- Errors: 15633,
+ <title>File: 3696,
+ Errors: 15632,
Warnings: 0,
Infos: 0
</title>
@@ -15894,6 +15894,20 @@ under the License.
</tr>
<tr>
<td>
+ <a href="http://hbase.apache.org/checkstyle.html#org.apache.hadoop.hbase.master.assignment.TestModifyTableWhileMerging.java">org/apache/hadoop/hbase/master/assignment/TestModifyTableWhileMerging.java</a>
+ </td>
+ <td>
+ 0
+ </td>
+ <td>
+ 0
+ </td>
+ <td>
+ 0
+ </td>
+ </tr>
+ <tr>
+ <td>
<a href="http://hbase.apache.org/checkstyle.html#org.apache.hadoop.hbase.util.MapReduceExtendedCell.java">org/apache/hadoop/hbase/util/MapReduceExtendedCell.java</a>
</td>
<td>
@@ -37939,7 +37953,7 @@ under the License.
0
</td>
<td>
- 1
+ 0
</td>
</tr>
<tr>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/coc.html
----------------------------------------------------------------------
diff --git a/coc.html b/coc.html
index 2ec9736..c44ea99 100644
--- a/coc.html
+++ b/coc.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Code of Conduct Policy
@@ -375,7 +375,7 @@ email to <a class="externalLink" href="mailto:private@hbase.apache.org">the priv
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/dependencies.html
----------------------------------------------------------------------
diff --git a/dependencies.html b/dependencies.html
index ec3bf5e..b8acd13 100644
--- a/dependencies.html
+++ b/dependencies.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Dependencies</title>
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-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
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-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
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-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
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-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
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-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
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-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
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-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
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-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
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-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
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-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
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-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
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-<span class="sourceLineNo">296</span><a name="line.296"></a>
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-<span class="sourceLineNo">301</span><a name="line.301"></a>
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-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
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-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
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-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
+<span class="sourceLineNo">226</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> store.delete(batchIds, 0, batchCount);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
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+<span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span> // 1. Build the rollback stack<a name="line.420"></a>
+<span class="sourceLineNo">421</span> int runnablesCount = 0;<a name="line.421"></a>
+<span class="sourceLineNo">422</span> int failedCount = 0;<a name="line.422"></a>
+<span class="sourceLineNo">423</span> while (procIter.hasNext()) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> boolean finished = procIter.isNextFinished();<a name="line.424"></a>
+<span class="sourceLineNo">425</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.425"></a>
+<span class="sourceLineNo">426</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> long procId = proc.getProcId();<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
-<span class="sourceLineNo">429</span> // add the procedure to the map<a name="line.429"></a>
-<span class="sourceLineNo">430</span> proc.beforeReplay(getEnvironment());<a name="line.430"></a>
-<span class="sourceLineNo">431</span> procedures.put(proc.getProcId(), proc);<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.433"></a>
-<span class="sourceLineNo">434</span> runnablesCount++;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> failedCount++;<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span> // add the nonce to the map<a name="line.440"></a>
-<span class="sourceLineNo">441</span> if (nonceKey != null) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.442"></a>
-<span class="sourceLineNo">443</span> }<a name="line.443"></a>
-<span class="sourceLineNo">444</span> }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span> // 2. Initialize the stacks<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.448"></a>
-<span class="sourceLineNo">449</span> // introduce the restore lock stage.<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.450"></a>
-<span class="sourceLineNo">451</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.452"></a>
-<span class="sourceLineNo">453</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.453"></a>
-<span class="sourceLineNo">454</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.454"></a>
-<span class="sourceLineNo">455</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.456"></a>
-<span class="sourceLineNo">457</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> procIter.reset();<a name="line.460"></a>
-<span class="sourceLineNo">461</span> while (procIter.hasNext()) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> if (procIter.isNextFinished()) {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> procIter.skipNext();<a name="line.463"></a>
-<span class="sourceLineNo">464</span> continue;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.467"></a>
-<span class="sourceLineNo">468</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.468"></a>
-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> LOG.debug("Loading {}", proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> Long rootProcId = getRootProcedureId(proc);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (rootProcId == null) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.474"></a>
-<span class="sourceLineNo">475</span> scheduler.addBack(proc);<a name="line.475"></a>
-<span class="sourceLineNo">476</span> continue;<a name="line.476"></a>
-<span class="sourceLineNo">477</span> }<a name="line.477"></a>
+<span class="sourceLineNo">429</span> if (finished) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.430"></a>
+<span class="sourceLineNo">431</span> LOG.debug("Completed {}", proc);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> } else {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> if (!proc.hasParent()) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.434"></a>
+<span class="sourceLineNo">435</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> // add the procedure to the map<a name="line.438"></a>
+<span class="sourceLineNo">439</span> proc.beforeReplay(getEnvironment());<a name="line.439"></a>
+<span class="sourceLineNo">440</span> procedures.put(proc.getProcId(), proc);<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> runnablesCount++;<a name="line.443"></a>
+<span class="sourceLineNo">444</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.444"></a>
+<span class="sourceLineNo">445</span> failedCount++;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span><a name="line.448"></a>
+<span class="sourceLineNo">449</span> // add the nonce to the map<a name="line.449"></a>
+<span class="sourceLineNo">450</span> if (nonceKey != null) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // 2. Initialize the stacks<a name="line.455"></a>
+<span class="sourceLineNo">456</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.457"></a>
+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.459"></a>
+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isF
<TRUNCATED>
[05/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerThread.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerThread.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerThread.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerThread.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerThread.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
-<span class="sourceLineNo">075</span>public class ProcedureExecutor<TEnvironment> {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public static class Testing {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> protected boolean killIfSuspended = false;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected boolean killBeforeStoreUpdate = false;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> void procedureLoaded(long procId);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> void procedureFinished(long procId);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> private final Procedure<TEnvironment> procedure;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> private long clientAckTime;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.procedure = procedure;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> public Procedure<TEnvironment> getProcedure() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return procedure;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public boolean hasClientAckTime() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return clientAckTime;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> store.delete(batchIds, 0, batchCount);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> }<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
-<span class="sourceLineNo">225</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (nonceKey != null) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (batchCount > 0) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> store.delete(batchIds, 0, batchCount);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
-<span class="sourceLineNo">244</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.244"></a>
-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span> private Configuration conf;<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
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+<span class="sourceLineNo">128</span><a name="line.128"></a>
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+<span class="sourceLineNo">131</span> }<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
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+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
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+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<a name="line.140"></a>
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+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
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+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
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+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
+<span class="sourceLineNo">226</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> store.delete(batchIds, 0, batchCount);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">330</span> }<a name="line.330"></a>
-<span class="sourceLineNo">331</span><a name="line.331"></a>
-<span class="sourceLineNo">332</span> private void load(final boolean abortOnCorruption) throws IOException {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.338"></a>
-<span class="sourceLineNo">339</span> @Override<a name="line.339"></a>
-<span class="sourceLineNo">340</span> public void setMaxProcId(long maxProcId) {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> assert lastProcId.get() < 0 : "expected only one call to setMaxProcId()";<a name="line.341"></a>
-<span class="sourceLineNo">342</span> lastProcId.set(maxProcId);<a name="line.342"></a>
-<span class="sourceLineNo">343</span> }<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span> @Override<a name="line.345"></a>
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-<span class="sourceLineNo">347</span> loadProcedures(procIter, abortOnCorruption);<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> @Override<a name="line.350"></a>
-<span class="sourceLineNo">351</span> public void handleCorrupted(ProcedureIterator procIter) throws IOException {<a name="line.351"></a>
-<span class="sourceLineNo">352</span> int corruptedCount = 0;<a name="line.352"></a>
-<span class="sourceLineNo">353</span> while (procIter.hasNext()) {<a name="line.353"></a>
-<span class="sourceLineNo">354</span> Procedure<?> proc = procIter.next();<a name="line.354"></a>
-<span class="sourceLineNo">355</span> LOG.error("Corrupt " + proc);<a name="line.355"></a>
-<span class="sourceLineNo">356</span> corruptedCount++;<a name="line.356"></a>
-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
-<span class="sourceLineNo">358</span> if (abortOnCorruption && corruptedCount > 0) {<a name="line.358"></a>
-<span class="sourceLineNo">359</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.359"></a>
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+<li><a href="#constructor.summary">Constr</a> | </li>
+<li><a href="#method.summary">Method</a></li>
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+<li>Detail: </li>
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+<li><a href="#constructor.detail">Constr</a> | </li>
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
+<p class="legalCopy"><small>Copyright © 2007–2018 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/testdevapidocs/org/apache/hadoop/hbase/master/assignment/TestRegionMoveAndAbandon.html
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-<span class="sourceLineNo">1121</span> public ServerStateNode addRegionToServer(final RegionStateNode regionNode) {<a name="line.1121"></a>
-<span class="sourceLineNo">1122</span> ServerStateNode serverNode = getOrCreateServer(regionNode.getRegionLocation());<a name="line.1122"></a>
-<span class="sourceLineNo">1123</span> serverNode.addRegion(regionNode);<a name="line.1123"></a>
-<span class="sourceLineNo">1124</span> return serverNode;<a name="line.1124"></a>
+<span class="sourceLineNo">1023</span> // ==========================================================================<a name="line.1023"></a>
+<span class="sourceLineNo">1024</span> // Region FAIL_OPEN helpers<a name="line.1024"></a>
+<span class="sourceLineNo">1025</span> // ==========================================================================<a name="line.1025"></a>
+<span class="sourceLineNo">1026</span> public static final class RegionFailedOpen {<a name="line.1026"></a>
+<span class="sourceLineNo">1027</span> private final RegionStateNode regionNode;<a name="line.1027"></a>
+<span class="sourceLineNo">1028</span><a name="line.1028"></a>
+<span class="sourceLineNo">1029</span> private volatile Exception exception = null;<a name="line.1029"></a>
+<span class="sourceLineNo">1030</span> private AtomicInteger retries = new AtomicInteger();<a name="line.1030"></a>
+<span class="sourceLineNo">1031</span><a name="line.1031"></a>
+<span class="sourceLineNo">1032</span> public RegionFailedOpen(final RegionStateNode regionNode) {<a name="line.1032"></a>
+<span class="sourceLineNo">1033</span> this.regionNode = regionNode;<a name="line.1033"></a>
+<span class="sourceLineNo">1034</span> }<a name="line.1034"></a>
+<span class="sourceLineNo">1035</span><a name="line.1035"></a>
+<span class="sourceLineNo">1036</span> public RegionStateNode getRegionStateNode() {<a name="line.1036"></a>
+<span class="sourceLineNo">1037</span> return regionNode;<a name="line.1037"></a>
+<span class="sourceLineNo">1038</span> }<a name="line.1038"></a>
+<span class="sourceLineNo">1039</span><a name="line.1039"></a>
+<span class="sourceLineNo">1040</span> public RegionInfo getRegionInfo() {<a name="line.1040"></a>
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+<span class="sourceLineNo">1042</span> }<a name="line.1042"></a>
+<span class="sourceLineNo">1043</span><a name="line.1043"></a>
+<span class="sourceLineNo">1044</span> public int incrementAndGetRetries() {<a name="line.1044"></a>
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+<span class="sourceLineNo">1046</span> }<a name="line.1046"></a>
+<span class="sourceLineNo">1047</span><a name="line.1047"></a>
+<span class="sourceLineNo">1048</span> public int getRetries() {<a name="line.1048"></a>
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+<span class="sourceLineNo">1060</span><a name="line.1060"></a>
+<span class="sourceLineNo">1061</span> public RegionFailedOpen addToFailedOpen(final RegionStateNode regionNode) {<a name="line.1061"></a>
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+<span class="sourceLineNo">1064</span> if (node == null) {<a name="line.1064"></a>
+<span class="sourceLineNo">1065</span> RegionFailedOpen newNode = new RegionFailedOpen(regionNode);<a name="line.1065"></a>
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<TRUNCATED>
[06/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerMonitor.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerMonitor.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerMonitor.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerMonitor.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.WorkerMonitor.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
-<span class="sourceLineNo">075</span>public class ProcedureExecutor<TEnvironment> {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public static class Testing {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> protected boolean killIfSuspended = false;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected boolean killBeforeStoreUpdate = false;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> void procedureLoaded(long procId);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> void procedureFinished(long procId);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> private final Procedure<TEnvironment> procedure;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> private long clientAckTime;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.procedure = procedure;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> public Procedure<TEnvironment> getProcedure() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return procedure;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public boolean hasClientAckTime() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return clientAckTime;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
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-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
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-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
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-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
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-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
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-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
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-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
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-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
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-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
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-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
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-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
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-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
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-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
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+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
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+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
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+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
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+<span class="sourceLineNo">200</span><a name="line.200"></a>
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+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
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+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
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+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
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+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
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+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
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+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">331</span><a name="line.331"></a>
-<span class="sourceLineNo">332</span> private void load(final boolean abortOnCorruption) throws IOException {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.338"></a>
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-<span class="sourceLineNo">342</span> lastProcId.set(maxProcId);<a name="line.342"></a>
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-<span class="sourceLineNo">344</span><a name="line.344"></a>
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-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
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-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
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-<span class="sourceLineNo">367</span> restored.add(proc.getProcId());<a name="line.367"></a>
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-<span class="sourceLineNo">369</span><a name="line.369"></a>
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-<span class="sourceLineNo">372</span> restoreLock(stack.pop(), restored);<a name="line.372"></a>
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-<span class="sourceLineNo">374</span> }<a name="line.374"></a>
-<span class="sourceLineNo">375</span><a name="line.375"></a>
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-<span class="sourceLineNo">378</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.378"></a>
-<span class="sourceLineNo">379</span> // calling the acquireLock method for the parent procedure.<a name="line.379"></a>
-<span class="sourceLineNo">380</span> // The algorithm is straight-forward:<a name="line.380"></a>
-<span class="sourceLineNo">381</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.381"></a>
-<span class="sourceLineNo">382</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.382"></a>
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-<span class="sourceLineNo">388</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.388"></a>
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-<span class="sourceLineNo">400</span> restoreLocks(stack, restored);<a name="line.400"></a>
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-<span class="sourceLineNo">403</span> stack.push(proc);<a name="line.403"></a>
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-<span class="sourceLineNo">411</span> // 1. Build the rollback stack<a name="line.411"></a>
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+<span class="sourceLineNo">368</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.368"></a>
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+<span class="sourceLineNo">370</span> }<a name="line.370"></a>
+<span class="sourceLineNo">371</span> });<a name="line.371"></a>
+<span class="sourceLineNo">372</span> }<a name="line.372"></a>
+<span class="sourceLineNo">373</span><a name="line.373"></a>
+<span class="sourceLineNo">374</span> private void restoreLock(Procedure<TEnvironment> proc, Set<Long> restored) {<a name="line.374"></a>
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+<span class="sourceLineNo">378</span><a name="line.378"></a>
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+<span class="sourceLineNo">380</span> while (!stack.isEmpty()) {<a name="line.380"></a>
+<span class="sourceLineNo">381</span> restoreLock(stack.pop(), restored);<a name="line.381"></a>
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+<span class="sourceLineNo">383</span> }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> // Restore the locks for all the procedures.<a name="line.385"></a>
+<span class="sourceLineNo">386</span> // Notice that we need to restore the locks starting from the root proc, otherwise there will be<a name="line.386"></a>
+<span class="sourceLineNo">387</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.387"></a>
+<span class="sourceLineNo">388</span> // calling the acquireLock method for the parent procedure.<a name="line.388"></a>
+<span class="sourceLineNo">389</span> // The algorithm is straight-forward:<a name="line.389"></a>
+<span class="sourceLineNo">390</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.390"></a>
+<span class="sourceLineNo">391</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.391"></a>
+<span class="sourceLineNo">392</span> // 3. For all the procedure, we will first try to find its parent and push it into the stack,<a name="line.392"></a>
+<span class="sourceLineNo">393</span> // unless<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // a. We have no parent, i.e, we are the root procedure<a name="line.394"></a>
+<span class="sourceLineNo">395</span> // b. The lock has already been restored(by checking the set introduced in #1)<a name="line.395"></a>
+<span class="sourceLineNo">396</span> // then we start to pop the stack and call acquireLock for each procedure.<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.397"></a>
+<span class="sourceLineNo">398</span> private void restoreLocks() {<a name="line.398"></a>
+<span class="sourceLineNo">399</span> Set<Long> restored = new HashSet<>();<a name="line.399"></a>
+<span class="sourceLineNo">400</span> Deque<Procedure<TEnvironment>> stack = new ArrayDeque<>();<a name="line.400"></a>
+<span class="sourceLineNo">401</span> procedures.values().forEach(proc -> {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> for (;;) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span> if (restored.contains(proc.getProcId())) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span> restoreLocks(stack, restored);<a name="line.404"></a>
+<span class="sourceLineNo">405</span> return;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> }<a name="line.406"></a>
+<span class="sourceLineNo">407</span> if (!proc.hasParent()) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span> restoreLock(proc, restored);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> restoreLocks(stack, restored);<a name="line.409"></a>
+<span class="sourceLineNo">410</span> return;<a name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> stack.push(proc);<a name="line.412"></a>
+<span class="sourceLineNo">413</span> proc = procedures.get(proc.getParentProcId());<a name="line.413"></a>
+<span class="sourceLineNo">414</span> }<a name="line.414"></a>
+<span class="sourceLineNo">415</span> });<a name="line.415"></a>
+<span class="sourceLineNo">416</span> }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span> private void loadProcedures(ProcedureIterator procIter, boolean abortOnCorruption)<a name="line.418"></a>
+<span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span> // 1. Build the rollback stack<a name="line.420"></a>
+<span class="sourceLineNo">421</span> int runnablesCount = 0;<a name="line.421"></a>
+<span class="sourceLineNo">422</span> int failedCount = 0;<a name="line.422"></a>
+<span class="sourceLineNo">423</span> while (procIter.hasNext()) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> boolean finished = procIter.isNextFinished();<a name="line.424"></a>
+<span class="sourceLineNo">425</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.425"></a>
+<span class="sourceLineNo">426</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> long procId = proc.getProcId();<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
-<span class="sourceLineNo">429</span> // add the procedure to the map<a name="line.429"></a>
-<span class="sourceLineNo">430</span> proc.beforeReplay(getEnvironment());<a name="line.430"></a>
-<span class="sourceLineNo">431</span> procedures.put(proc.getProcId(), proc);<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
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-<span class="sourceLineNo">434</span> runnablesCount++;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> failedCount++;<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
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-<span class="sourceLineNo">441</span> if (nonceKey != null) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.442"></a>
-<span class="sourceLineNo">443</span> }<a name="line.443"></a>
-<span class="sourceLineNo">444</span> }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span> // 2. Initialize the stacks<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.448"></a>
-<span class="sourceLineNo">449</span> // introduce the restore lock stage.<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.450"></a>
-<span class="sourceLineNo">451</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.452"></a>
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-<span class="sourceLineNo">454</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.454"></a>
-<span class="sourceLineNo">455</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.456"></a>
-<span class="sourceLineNo">457</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> procIter.reset();<a name="line.460"></a>
-<span class="sourceLineNo">461</span> while (procIter.hasNext()) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> if (procIter.isNextFinished()) {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> procIter.skipNext();<a name="line.463"></a>
-<span class="sourceLineNo">464</span> continue;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.467"></a>
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-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> LOG.debug("Loading {}", proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> Long rootProcId = getRootProcedureId(proc);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (rootProcId == null) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.474"></a>
-<span class="sourceLineNo">475</span> scheduler.addBack(proc);<a name="line.475"></a>
-<span class="sourceLineNo">476</span> continue;<a name="line.476"></a>
-<span class="sourceLineNo">477</span> }<a name="line.477"></a>
+<span class="sourceLineNo">429</span> if (finished) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.430"></a>
+<span class="sourceLineNo">431</span> LOG.debug("Completed {}", proc);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> } else {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> if (!proc.hasParent()) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.434"></a>
+<span class="sourceLineNo">435</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> // add the procedure to the map<a name="line.438"></a>
+<span class="sourceLineNo">439</span> proc.beforeReplay(getEnvironment());<a name="line.439"></a>
+<span class="sourceLineNo">440</span> procedures.put(proc.getProcId(), proc);<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> runnablesCount++;<a name="line.443"></a>
+<span class="sourceLineNo">444</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.444"></a>
+<span class="sourceLineNo">445</span> failedCount++;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span><a name="line.448"></a>
+<span class="sourceLineNo">449</span> // add the nonce to the map<a name="line.449"></a>
+<span class="sourceLineNo">450</span> if (nonceKey != null) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // 2. Initialize the stacks<a name="line.455"></a>
+<span class="sourceLineNo">456</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.457"></a>
+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.459"></a>
+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinished()) {<a name="line.482"></a>
-<span class="sourceLineNo">4
<TRUNCATED>
[13/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html
index a706f1c..e5072cf 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html
@@ -132,7 +132,7 @@
<span class="sourceLineNo">124</span> @Override<a name="line.124"></a>
<span class="sourceLineNo">125</span> protected void rollbackState(MasterProcedureEnv env, ReopenTableRegionsState state)<a name="line.125"></a>
<span class="sourceLineNo">126</span> throws IOException, InterruptedException {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throw new UnsupportedOperationException();<a name="line.127"></a>
+<span class="sourceLineNo">127</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span> @Override<a name="line.130"></a>
[20/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionFailedOpen.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionFailedOpen.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionFailedOpen.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionFailedOpen.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionFailedOpen.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
<span class="sourceLineNo">645</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.645"></a>
-<span class="sourceLineNo">646</span> synchronized (node) {<a name="line.646"></a>
-<span class="sourceLineNo">647</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.647"></a>
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+<span class="sourceLineNo">1024</span> // Region FAIL_OPEN helpers<a name="line.1024"></a>
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+<span class="sourceLineNo">1031</span><a name="line.1031"></a>
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+<span class="sourceLineNo">1036</span> public RegionStateNode getRegionStateNode() {<a name="line.1036"></a>
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+<span class="sourceLineNo">1039</span><a name="line.1039"></a>
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+<span class="sourceLineNo">1052</span> public void setException(final Exception exception) {<a name="line.1052"></a>
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+<span class="sourceLineNo">1056</span> public Exception getException() {<a name="line.1056"></a>
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+<span class="sourceLineNo">1064</span> if (node == null) {<a name="line.1064"></a>
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+<span class="sourceLineNo">1066</span> RegionFailedOpen oldNode = regionFailedOpen.putIfAbsent(key, newNode);<a name="line.1066"></a>
+<span class="sourceLineNo">1067</span> node = oldNode != nul
<TRUNCATED>
[18/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
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-<span class="sourceLineNo">667</span> // reopened(not finished maybe, but not a problem)<a name="line.667"></a>
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<TRUNCATED>
[12/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureCleaner.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureCleaner.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureCleaner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureCleaner.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
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-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
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-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
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-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
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-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.138"></a>
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-<span class="sourceLineNo">140</span> }<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> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
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-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> store.delete(batchIds, 0, batchCount);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> }<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
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-<span class="sourceLineNo">226</span> if (nonceKey != null) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (batchCount > 0) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> store.delete(batchIds, 0, batchCount);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
-<span class="sourceLineNo">244</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.244"></a>
-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span> private Configuration conf;<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
+<span class="sourceLineNo">226</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> store.delete(batchIds, 0, batchCount);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">330</span> }<a name="line.330"></a>
-<span class="sourceLineNo">331</span><a name="line.331"></a>
-<span class="sourceLineNo">332</span> private void load(final boolean abortOnCorruption) throws IOException {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.338"></a>
-<span class="sourceLineNo">339</span> @Override<a name="line.339"></a>
-<span class="sourceLineNo">340</span> public void setMaxProcId(long maxProcId) {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> assert lastProcId.get() < 0 : "expected only one call to setMaxProcId()";<a name="line.341"></a>
-<span class="sourceLineNo">342</span> lastProcId.set(maxProcId);<a name="line.342"></a>
-<span class="sourceLineNo">343</span> }<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span> @Override<a name="line.345"></a>
-<span class="sourceLineNo">346</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.346"></a>
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-<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> @Override<a name="line.350"></a>
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-<span class="sourceLineNo">352</span> int corruptedCount = 0;<a name="line.352"></a>
-<span class="sourceLineNo">353</span> while (procIter.hasNext()) {<a name="line.353"></a>
-<span class="sourceLineNo">354</span> Procedure<?> proc = procIter.next();<a name="line.354"></a>
-<span class="sourceLineNo">355</span> LOG.error("Corrupt " + proc);<a name="line.355"></a>
-<span class="sourceLineNo">356</span> corruptedCount++;<a name="line.356"></a>
-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
-<span class="sourceLineNo">358</span> if (abortOnCorruption && corruptedCount > 0) {<a name="line.358"></a>
-<span class="sourceLineNo">359</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.359"></a>
-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
-<span class="sourceLineNo">362</span> });<a name="line.362"></a>
-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
-<span class="sourceLineNo">365</span> private void restoreLock(Procedure<TEnvironment> proc, Set<Long> restored) {<a name="line.365"></a>
-<span class="sourceLineNo">366</span> proc.restoreLock(getEnvironment());<a name="line.366"></a>
-<span class="sourceLineNo">367</span> restored.add(proc.getProcId());<a name="line.367"></a>
-<span class="sourceLineNo">368</span> }<a name="line.368"></a>
-<span class="sourceLineNo">369</span><a name="line.369"></a>
-<span class="sourceLineNo">370</span> private void restoreLocks(Deque<Procedure<TEnvironment>> stack, Set<Long> restored) {<a name="line.370"></a>
-<span class="sourceLineNo">371</span> while (!stack.isEmpty()) {<a name="line.371"></a>
-<span class="sourceLineNo">372</span> restoreLock(stack.pop(), restored);<a name="line.372"></a>
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-<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> // Restore the locks for all the procedures.<a name="line.376"></a>
-<span class="sourceLineNo">377</span> // Notice that we need to restore the locks starting from the root proc, otherwise there will be<a name="line.377"></a>
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+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinish
<TRUNCATED>
[08/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.ProcedureExecutorListener.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.ProcedureExecutorListener.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.ProcedureExecutorListener.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.ProcedureExecutorListener.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.ProcedureExecutorListener.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
-<span class="sourceLineNo">075</span>public class ProcedureExecutor<TEnvironment> {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public static class Testing {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> protected boolean killIfSuspended = false;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected boolean killBeforeStoreUpdate = false;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> void procedureLoaded(long procId);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> void procedureFinished(long procId);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> private final Procedure<TEnvironment> procedure;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> private long clientAckTime;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.procedure = procedure;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> public Procedure<TEnvironment> getProcedure() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return procedure;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public boolean hasClientAckTime() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return clientAckTime;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> store.delete(batchIds, 0, batchCount);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> }<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
-<span class="sourceLineNo">225</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (nonceKey != null) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (batchCount > 0) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> store.delete(batchIds, 0, batchCount);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
-<span class="sourceLineNo">244</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.244"></a>
-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span> private Configuration conf;<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
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+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
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+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
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+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
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+<span class="sourceLineNo">247</span><a name="line.247"></a>
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+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
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+<span class="sourceLineNo">255</span><a name="line.255"></a>
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+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
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+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
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+<span class="sourceLineNo">268</span><a name="line.268"></a>
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+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
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+<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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>
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+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
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+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
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+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
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+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
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+<span class="sourceLineNo">314</span><a name="line.314"></a>
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+<span class="sourceLineNo">316</span><a name="line.316"></a>
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+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
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+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
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+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
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-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
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-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
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-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
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-<span class="sourceLineNo">367</span> restored.add(proc.getProcId());<a name="line.367"></a>
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-<span class="sourceLineNo">372</span> restoreLock(stack.pop(), restored);<a name="line.372"></a>
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-<span class="sourceLineNo">378</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.378"></a>
-<span class="sourceLineNo">379</span> // calling the acquireLock method for the parent procedure.<a name="line.379"></a>
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-<span class="sourceLineNo">388</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.388"></a>
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-<span class="sourceLineNo">403</span> stack.push(proc);<a name="line.403"></a>
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+<span class="sourceLineNo">365</span> corruptedCount++;<a name="line.365"></a>
+<span class="sourceLineNo">366</span> }<a name="line.366"></a>
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+<span class="sourceLineNo">370</span> }<a name="line.370"></a>
+<span class="sourceLineNo">371</span> });<a name="line.371"></a>
+<span class="sourceLineNo">372</span> }<a name="line.372"></a>
+<span class="sourceLineNo">373</span><a name="line.373"></a>
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+<span class="sourceLineNo">378</span><a name="line.378"></a>
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+<span class="sourceLineNo">383</span> }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> // Restore the locks for all the procedures.<a name="line.385"></a>
+<span class="sourceLineNo">386</span> // Notice that we need to restore the locks starting from the root proc, otherwise there will be<a name="line.386"></a>
+<span class="sourceLineNo">387</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.387"></a>
+<span class="sourceLineNo">388</span> // calling the acquireLock method for the parent procedure.<a name="line.388"></a>
+<span class="sourceLineNo">389</span> // The algorithm is straight-forward:<a name="line.389"></a>
+<span class="sourceLineNo">390</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.390"></a>
+<span class="sourceLineNo">391</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.391"></a>
+<span class="sourceLineNo">392</span> // 3. For all the procedure, we will first try to find its parent and push it into the stack,<a name="line.392"></a>
+<span class="sourceLineNo">393</span> // unless<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // a. We have no parent, i.e, we are the root procedure<a name="line.394"></a>
+<span class="sourceLineNo">395</span> // b. The lock has already been restored(by checking the set introduced in #1)<a name="line.395"></a>
+<span class="sourceLineNo">396</span> // then we start to pop the stack and call acquireLock for each procedure.<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.397"></a>
+<span class="sourceLineNo">398</span> private void restoreLocks() {<a name="line.398"></a>
+<span class="sourceLineNo">399</span> Set<Long> restored = new HashSet<>();<a name="line.399"></a>
+<span class="sourceLineNo">400</span> Deque<Procedure<TEnvironment>> stack = new ArrayDeque<>();<a name="line.400"></a>
+<span class="sourceLineNo">401</span> procedures.values().forEach(proc -> {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> for (;;) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span> if (restored.contains(proc.getProcId())) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span> restoreLocks(stack, restored);<a name="line.404"></a>
+<span class="sourceLineNo">405</span> return;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> }<a name="line.406"></a>
+<span class="sourceLineNo">407</span> if (!proc.hasParent()) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span> restoreLock(proc, restored);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> restoreLocks(stack, restored);<a name="line.409"></a>
+<span class="sourceLineNo">410</span> return;<a name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> stack.push(proc);<a name="line.412"></a>
+<span class="sourceLineNo">413</span> proc = procedures.get(proc.getParentProcId());<a name="line.413"></a>
+<span class="sourceLineNo">414</span> }<a name="line.414"></a>
+<span class="sourceLineNo">415</span> });<a name="line.415"></a>
+<span class="sourceLineNo">416</span> }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span> private void loadProcedures(ProcedureIterator procIter, boolean abortOnCorruption)<a name="line.418"></a>
+<span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span> // 1. Build the rollback stack<a name="line.420"></a>
+<span class="sourceLineNo">421</span> int runnablesCount = 0;<a name="line.421"></a>
+<span class="sourceLineNo">422</span> int failedCount = 0;<a name="line.422"></a>
+<span class="sourceLineNo">423</span> while (procIter.hasNext()) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> boolean finished = procIter.isNextFinished();<a name="line.424"></a>
+<span class="sourceLineNo">425</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.425"></a>
+<span class="sourceLineNo">426</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.426"></a>
+<span class="sourceLineNo">427</span> long procId = proc.getProcId();<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
-<span class="sourceLineNo">429</span> // add the procedure to the map<a name="line.429"></a>
-<span class="sourceLineNo">430</span> proc.beforeReplay(getEnvironment());<a name="line.430"></a>
-<span class="sourceLineNo">431</span> procedures.put(proc.getProcId(), proc);<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.433"></a>
-<span class="sourceLineNo">434</span> runnablesCount++;<a name="line.434"></a>
-<span class="sourceLineNo">435</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> failedCount++;<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span> // add the nonce to the map<a name="line.440"></a>
-<span class="sourceLineNo">441</span> if (nonceKey != null) {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.442"></a>
-<span class="sourceLineNo">443</span> }<a name="line.443"></a>
-<span class="sourceLineNo">444</span> }<a name="line.444"></a>
-<span class="sourceLineNo">445</span><a name="line.445"></a>
-<span class="sourceLineNo">446</span> // 2. Initialize the stacks<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.448"></a>
-<span class="sourceLineNo">449</span> // introduce the restore lock stage.<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.450"></a>
-<span class="sourceLineNo">451</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.451"></a>
-<span class="sourceLineNo">452</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.452"></a>
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-<span class="sourceLineNo">455</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.455"></a>
-<span class="sourceLineNo">456</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.456"></a>
-<span class="sourceLineNo">457</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.458"></a>
-<span class="sourceLineNo">459</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> procIter.reset();<a name="line.460"></a>
-<span class="sourceLineNo">461</span> while (procIter.hasNext()) {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> if (procIter.isNextFinished()) {<a name="line.462"></a>
-<span class="sourceLineNo">463</span> procIter.skipNext();<a name="line.463"></a>
-<span class="sourceLineNo">464</span> continue;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.467"></a>
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-<span class="sourceLineNo">469</span><a name="line.469"></a>
-<span class="sourceLineNo">470</span> LOG.debug("Loading {}", proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> Long rootProcId = getRootProcedureId(proc);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (rootProcId == null) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.474"></a>
-<span class="sourceLineNo">475</span> scheduler.addBack(proc);<a name="line.475"></a>
-<span class="sourceLineNo">476</span> continue;<a name="line.476"></a>
-<span class="sourceLineNo">477</span> }<a name="line.477"></a>
+<span class="sourceLineNo">429</span> if (finished) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.430"></a>
+<span class="sourceLineNo">431</span> LOG.debug("Completed {}", proc);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> } else {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> if (!proc.hasParent()) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.434"></a>
+<span class="sourceLineNo">435</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> // add the procedure to the map<a name="line.438"></a>
+<span class="sourceLineNo">439</span> proc.beforeReplay(getEnvironment());<a name="line.439"></a>
+<span class="sourceLineNo">440</span> procedures.put(proc.getProcId(), proc);<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> runnablesCount++;<a name="line.443"></a>
+<span class="sourceLineNo">444</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.444"></a>
+<span class="sourceLineNo">445</span> failedCount++;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span><a name="line.448"></a>
+<span class="sourceLineNo">449</span> // add the nonce to the map<a name="line.449"></a>
+<span class="sourceLineNo">450</span> if (nonceKey != null) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> }<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // 2. Initialize the stacks<a name="line.455"></a>
+<span class="sourceLineNo">456</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.457"></a>
+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.459"></a>
+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinish
<TRUNCATED>
[16/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
<span class="sourceLineNo">645</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.645"></a>
-<span class="sourceLineNo">646</span> synchronized (node) {<a name="line.646"></a>
-<span class="sourceLineNo">647</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.647"></a>
-<span class="sourceLineNo">648</span> // in OPEN state before<a name="line.648"></a>
-<span class="sourceLineNo">649</span> if (node.isInState(State.OPEN)) {<a name="line.649"></a>
-<span class="sourceLineNo">650</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.650"></a>
-<span class="sourceLineNo">651</span> // normal case, the region has been reopened<a name="line.651"></a>
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-<span class="sourceLineNo">653</span> } else {<a name="line.653"></a>
-<span class="sourceLineNo">654</span> // the open seq num does not change, need to reopen again<a name="line.654"></a>
-<span class="sourceLineNo">655</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.655"></a>
-<span class="sourceLineNo">656</span> node.getOpenSeqNum());<a name="line.656"></a>
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-<span class="sourceLineNo">658</span> } else {<a name="line.658"></a>
-<span class="sourceLineNo">659</span> // the state has been changed so we can make sure that the region has been reopened(not<a name="line.659"></a>
-<span class="sourceLineNo">660</span> // finished maybe, but not a problem).<a name="line.660"></a>
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-<span class="sourceLineNo">662</span> }<a name="line.662"></a>
-<span class="sourceLineNo">663</span> } else {<a name="line.663"></a>
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-<span class="sourceLineNo">665</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.665"></a>
-<span class="sourceLineNo">666</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.666"></a>
-<span class="sourceLineNo">667</span> // reopened(not finished maybe, but not a problem)<a name="line.667"></a>
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-<span class="sourceLineNo">671</span> // the region has been moved, so we can make sure that the region has been reopened.<a name="line.671"></a>
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-<span class="sourceLineNo">673</span> }<a name="line.673"></a>
-<span class="sourceLineNo">674</span> // normal case, we are still in OPENING state, or the reopen has been opened and the state<a name="line.674"></a>
-<span class="sourceLineNo">675</span> // is changed to OPEN.<a name="line.675"></a>
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-<span class="sourceLineNo">677</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<a name="line.677"></a>
-<span class="sourceLineNo">678</span> }<a name="line.678"></a>
-<span class="sourceLineNo">679</span> }<a name="line.679"></a>
-<span class="sourceLineNo">680</span> }<a name="line.680"></a>
-<span class="sourceLineNo">681</span> }<a name="line.681"></a>
-<span class="sourceLineNo">682</span><a name="line.682"></a>
-<span class="sourceLineNo">683</span> /**<a name="line.683"></a>
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-<span class="sourceLineNo">686</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.686"></a>
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-<span class="sourceLineNo">697</span> .collect(Collectors.toList());<a name="line.697"></a>
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-<span class="sourceLineNo">1122</span> ServerStateNode serverNode = getOrCreateServer(regionNode.getRegionLocation());<a name="line.1122"></a>
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<TRUNCATED>
[04/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
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-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
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-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
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-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
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-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
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-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
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-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
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-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
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-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
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-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> store.delete(batchIds, 0, batchCount);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> }<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
-<span class="sourceLineNo">225</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (nonceKey != null) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (batchCount > 0) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> store.delete(batchIds, 0, batchCount);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
-<span class="sourceLineNo">244</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.244"></a>
-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span> private Configuration conf;<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
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+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
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+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
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+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
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+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.212"></a>
+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> store.delete(batchIds, 0, batchCount);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> batchCount = 0;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
+<span class="sourceLineNo">226</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (nonceKey != null) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (batchCount > 0) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> store.delete(batchIds, 0, batchCount);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> new ConcurrentHashMap<>();<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
+<span class="sourceLineNo">267</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> private Configuration conf;<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">330</span> }<a name="line.330"></a>
-<span class="sourceLineNo">331</span><a name="line.331"></a>
-<span class="sourceLineNo">332</span> private void load(final boolean abortOnCorruption) throws IOException {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> Preconditions.checkArgument(completed.isEmpty(), "completed not empty");<a name="line.333"></a>
-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> store.load(new ProcedureStore.ProcedureLoader() {<a name="line.338"></a>
-<span class="sourceLineNo">339</span> @Override<a name="line.339"></a>
-<span class="sourceLineNo">340</span> public void setMaxProcId(long maxProcId) {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> assert lastProcId.get() < 0 : "expected only one call to setMaxProcId()";<a name="line.341"></a>
-<span class="sourceLineNo">342</span> lastProcId.set(maxProcId);<a name="line.342"></a>
-<span class="sourceLineNo">343</span> }<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span> @Override<a name="line.345"></a>
-<span class="sourceLineNo">346</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.346"></a>
-<span class="sourceLineNo">347</span> loadProcedures(procIter, abortOnCorruption);<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> @Override<a name="line.350"></a>
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-<span class="sourceLineNo">352</span> int corruptedCount = 0;<a name="line.352"></a>
-<span class="sourceLineNo">353</span> while (procIter.hasNext()) {<a name="line.353"></a>
-<span class="sourceLineNo">354</span> Procedure<?> proc = procIter.next();<a name="line.354"></a>
-<span class="sourceLineNo">355</span> LOG.error("Corrupt " + proc);<a name="line.355"></a>
-<span class="sourceLineNo">356</span> corruptedCount++;<a name="line.356"></a>
-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
-<span class="sourceLineNo">358</span> if (abortOnCorruption && corruptedCount > 0) {<a name="line.358"></a>
-<span class="sourceLineNo">359</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.359"></a>
-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
-<span class="sourceLineNo">362</span> });<a name="line.362"></a>
-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
-<span class="sourceLineNo">365</span> private void restoreLock(Procedure<TEnvironment> proc, Set<Long> restored) {<a name="line.365"></a>
-<span class="sourceLineNo">366</span> proc.restoreLock(getEnvironment());<a name="line.366"></a>
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+<span class="sourceLineNo">460</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.460"></a>
+<span class="sourceLineNo">461</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.461"></a>
+<span class="sourceLineNo">462</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.465"></a>
+<span class="sourceLineNo">466</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> procIter.reset();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> while (procIter.hasNext()) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span> if (procIter.isNextFinished()) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> procIter.skipNext();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.477"></a>
<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> if (proc.hasParent()) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.480"></a>
-<span class="sourceLineNo">481</span> // corrupted procedures are handled later at step 3<a name="line.481"></a>
-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinished()) {<a name="line.482"></a>
-<span class="sourceLineNo">483</span> parent.incChildrenLatch();<a name="line.483"></a>
-
<TRUNCATED>
[09/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.KeepAliveWorkerThread.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.KeepAliveWorkerThread.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.KeepAliveWorkerThread.html
index 1aed387..22f68b3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.KeepAliveWorkerThread.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.KeepAliveWorkerThread.html
@@ -55,1901 +55,1905 @@
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.security.User;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Thread Pool that executes the submitted procedures.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The executor has a ProcedureStore associated.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * procedures are resumed and the once failed will be rolledback.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> *<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * check for the finished state via isFinished(procId)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * and get the result via getResult(procId)<a name="line.72"></a>
-<span class="sourceLineNo">073</span> */<a name="line.73"></a>
-<span class="sourceLineNo">074</span>@InterfaceAudience.Private<a name="line.74"></a>
-<span class="sourceLineNo">075</span>public class ProcedureExecutor<TEnvironment> {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span> Testing testing = null;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public static class Testing {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> protected boolean killIfSuspended = false;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> protected boolean killBeforeStoreUpdate = false;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.91"></a>
-<span class="sourceLineNo">092</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.killBeforeStoreUpdate = !kill;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return kill;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public interface ProcedureExecutorListener {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> void procedureLoaded(long procId);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> void procedureAdded(long procId);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> void procedureFinished(long procId);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> private final Procedure<TEnvironment> procedure;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> private long clientAckTime;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.procedure = procedure;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> clientAckTime = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> public Procedure<TEnvironment> getProcedure() {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> return procedure;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public boolean hasClientAckTime() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> return clientAckTime != -1;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> public long getClientAckTime() {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return clientAckTime;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> public void setClientAckTime(long clientAckTime) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.clientAckTime = clientAckTime;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.137"></a>
-<span class="sourceLineNo">138</span> (now - procedure.getLastUpdate()) >= evictTtl;<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><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.144"></a>
-<span class="sourceLineNo">145</span> *<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * <p>Since the client code looks more or less like:<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * <pre><a name="line.147"></a>
-<span class="sourceLineNo">148</span> * procId = master.doOperation()<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * </pre><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * which will return the result/state to the client, and it will mark the completed<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.155"></a>
-<span class="sourceLineNo">156</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.156"></a>
-<span class="sourceLineNo">157</span> * the proc result the client will be able to get the result the next try.<a name="line.157"></a>
-<span class="sourceLineNo">158</span> */<a name="line.158"></a>
-<span class="sourceLineNo">159</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.159"></a>
-<span class="sourceLineNo">160</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.166"></a>
-<span class="sourceLineNo">167</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.167"></a>
-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.169"></a>
-<span class="sourceLineNo">170</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.172"></a>
-<span class="sourceLineNo">173</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.175"></a>
-<span class="sourceLineNo">176</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final ProcedureStore store;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> private Configuration conf;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> // set the timeout interval that triggers the periodic-procedure<a name="line.183"></a>
-<span class="sourceLineNo">184</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.completed = completedMap;<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> this.store = store;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected void periodicExecute(final TEnvironment env) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (completed.isEmpty()) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (LOG.isTraceEnabled()) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> LOG.trace("No completed procedures to cleanup.");<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> final long[] batchIds = new long[batchSize];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> int batchCount = 0;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.208"></a>
-<span class="sourceLineNo">209</span> completed.entrySet().iterator();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> while (it.hasNext() && store.isRunning()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.211"></a>
-<span class="sourceLineNo">212</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> // TODO: Select TTL based on Procedure type<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Failed procedures aren't persisted in WAL.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> if (!(proc instanceof FailedProcedure)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> batchIds[batchCount++] = entry.getKey();<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (batchCount == batchIds.length) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> store.delete(batchIds, 0, batchCount);<a name="line.221"></a>
-<span class="sourceLineNo">222</span> batchCount = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> }<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
-<span class="sourceLineNo">225</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (nonceKey != null) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> it.remove();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> LOG.trace("Evict completed {}", proc);<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (batchCount > 0) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> store.delete(batchIds, 0, batchCount);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.240"></a>
-<span class="sourceLineNo">241</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> */<a name="line.243"></a>
-<span class="sourceLineNo">244</span> private final ConcurrentHashMap<Long, CompletedProcedureRetainer<TEnvironment>> completed =<a name="line.244"></a>
-<span class="sourceLineNo">245</span> new ConcurrentHashMap<>();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
-<span class="sourceLineNo">248</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.249"></a>
-<span class="sourceLineNo">250</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> */<a name="line.251"></a>
-<span class="sourceLineNo">252</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.252"></a>
-<span class="sourceLineNo">253</span> new ConcurrentHashMap<>();<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> /**<a name="line.255"></a>
-<span class="sourceLineNo">256</span> * Helper map to lookup the live procedures by ID.<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> */<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.259"></a>
-<span class="sourceLineNo">260</span> new ConcurrentHashMap<>();<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> /**<a name="line.262"></a>
-<span class="sourceLineNo">263</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * contains every root procedure.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> */<a name="line.265"></a>
-<span class="sourceLineNo">266</span> private final ConcurrentHashMap<NonceKey, Long> nonceKeysToProcIdsMap = new ConcurrentHashMap<>();<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.268"></a>
-<span class="sourceLineNo">269</span> new CopyOnWriteArrayList<>();<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
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-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> /**<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * resource handling rather than observing in a #join is unexpected).<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.276"></a>
-<span class="sourceLineNo">277</span> * (Should be ok).<a name="line.277"></a>
-<span class="sourceLineNo">278</span> */<a name="line.278"></a>
-<span class="sourceLineNo">279</span> private ThreadGroup threadGroup;<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.282"></a>
-<span class="sourceLineNo">283</span> * resource handling rather than observing in a #join is unexpected).<a name="line.283"></a>
-<span class="sourceLineNo">284</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.284"></a>
-<span class="sourceLineNo">285</span> * (Should be ok).<a name="line.285"></a>
-<span class="sourceLineNo">286</span> */<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * resource handling rather than observing in a #join is unexpected).<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * (Should be ok).<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> private int corePoolSize;<a name="line.297"></a>
-<span class="sourceLineNo">298</span> private int maxPoolSize;<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> private volatile long keepAliveTime;<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Scheduler/Queue that contains runnable procedures.<a name="line.303"></a>
-<span class="sourceLineNo">304</span> */<a name="line.304"></a>
-<span class="sourceLineNo">305</span> private final ProcedureScheduler scheduler;<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private final TEnvironment environment;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> private final ProcedureStore store;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> private final boolean checkOwnerSet;<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.316"></a>
-<span class="sourceLineNo">317</span> final ProcedureStore store) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.318"></a>
-<span class="sourceLineNo">319</span> }<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.321"></a>
-<span class="sourceLineNo">322</span> final ProcedureStore store, final ProcedureScheduler scheduler) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> this.environment = environment;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> this.scheduler = scheduler;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> this.store = store;<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.conf = conf;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.checkOwnerSet = conf.getBoolean(CHECK_OWNER_SET_CONF_KEY, DEFAULT_CHECK_OWNER_SET);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> refreshConfiguration(conf);<a name="line.328"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Thread Pool that executes the submitted procedures.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The executor has a ProcedureStore associated.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * Each operation is logged and on restart the pending procedures are resumed.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Unless the Procedure code throws an error (e.g. invalid user input)<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the procedure will complete (at some point in time), On restart the pending<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures are resumed and the once failed will be rolledback.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> *<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The user can add procedures to the executor via submitProcedure(proc)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * check for the finished state via isFinished(procId)<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * and get the result via getResult(procId)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>@InterfaceAudience.Private<a name="line.75"></a>
+<span class="sourceLineNo">076</span>public class ProcedureExecutor<TEnvironment> {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureExecutor.class);<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> public static final String CHECK_OWNER_SET_CONF_KEY = "hbase.procedure.check.owner.set";<a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final boolean DEFAULT_CHECK_OWNER_SET = false;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String WORKER_KEEP_ALIVE_TIME_CONF_KEY =<a name="line.82"></a>
+<span class="sourceLineNo">083</span> "hbase.procedure.worker.keep.alive.time.msec";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private static final long DEFAULT_WORKER_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(1);<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> Testing testing = null;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static class Testing {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> protected boolean killIfSuspended = false;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> protected boolean killBeforeStoreUpdate = false;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> protected boolean toggleKillBeforeStoreUpdate = false;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> protected boolean shouldKillBeforeStoreUpdate() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final boolean kill = this.killBeforeStoreUpdate;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.toggleKillBeforeStoreUpdate) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.killBeforeStoreUpdate = !kill;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> return kill;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected boolean shouldKillBeforeStoreUpdate(final boolean isSuspended) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return (isSuspended && !killIfSuspended) ? false : shouldKillBeforeStoreUpdate();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> public interface ProcedureExecutorListener {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> void procedureLoaded(long procId);<a name="line.107"></a>
+<span class="sourceLineNo">108</span> void procedureAdded(long procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span> void procedureFinished(long procId);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> private static final class CompletedProcedureRetainer<TEnvironment> {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> private final Procedure<TEnvironment> procedure;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> private long clientAckTime;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.procedure = procedure;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> clientAckTime = -1;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> public Procedure<TEnvironment> getProcedure() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return procedure;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> public boolean hasClientAckTime() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return clientAckTime != -1;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> public long getClientAckTime() {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return clientAckTime;<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> public void setClientAckTime(long clientAckTime) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.clientAckTime = clientAckTime;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.138"></a>
+<span class="sourceLineNo">139</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.139"></a>
+<span class="sourceLineNo">140</span> }<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> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.145"></a>
+<span class="sourceLineNo">146</span> *<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * <p>Since the client code looks more or less like:<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * <pre><a name="line.148"></a>
+<span class="sourceLineNo">149</span> * procId = master.doOperation()<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * </pre><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * The master should not throw away the proc result as soon as the procedure is done<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * but should wait a result request from the client (see executor.removeResult(procId))<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The client will call something like master.isProcDone() or master.getProcResult()<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * which will return the result/state to the client, and it will mark the completed<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * proc as ready to delete. note that the client may not receive the response from<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * the master (e.g. master failover) so, if we delay a bit the real deletion of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * the proc result the client will be able to get the result the next try.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> private static class CompletedProcedureCleaner<TEnvironment><a name="line.160"></a>
+<span class="sourceLineNo">161</span> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> private static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.164"></a>
+<span class="sourceLineNo">165</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private static final String EVICT_TTL_CONF_KEY = "hbase.procedure.cleaner.evict.ttl";<a name="line.167"></a>
+<span class="sourceLineNo">168</span> private static final int DEFAULT_EVICT_TTL = 15 * 60000; // 15min<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> private static final String EVICT_ACKED_TTL_CONF_KEY ="hbase.procedure.cleaner.acked.evict.ttl";<a name="line.170"></a>
+<span class="sourceLineNo">171</span> private static final int DEFAULT_ACKED_EVICT_TTL = 5 * 60000; // 5min<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.177"></a>
+<span class="sourceLineNo">178</span> private final ProcedureStore store;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> private Configuration conf;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> public CompletedProcedureCleaner(Configuration conf, final ProcedureStore store,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> final Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.182"></a>
+<span class="sourceLineNo">183</span> final Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> // set the timeout interval that triggers the periodic-procedure<a name="line.184"></a>
+<span class="sourceLineNo">185</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.185"></a>
+<span class="sourceLineNo">186</span> this.completed = completedMap;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.store = store;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.conf = conf;<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
+<span class="sourceLineNo">193</span> protected void periodicExecute(final TEnvironment env) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if (completed.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> if (LOG.isTraceEnabled()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> LOG.trace("No completed procedures to cleanup.");<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return;<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> final long evictTtl = conf.getInt(EVICT_TTL_CONF_KEY, DEFAULT_EVICT_TTL);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> final long evictAckTtl = conf.getInt(EVICT_ACKED_TTL_CONF_KEY, DEFAULT_ACKED_EVICT_TTL);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> final long[] batchIds = new long[batchSize];<a name="line.205"></a>
+<span class="sourceLineNo">206</span> int batchCount = 0;<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.208"></a>
+<span class="sourceLineNo">209</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.209"></a>
+<span class="sourceLineNo">210</span> completed.entrySet().iterator();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> while (it.hasNext() && store.isRunning()) {<a name="line.211"></a>
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+<span class="sourceLineNo">213</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> // TODO: Select TTL based on Procedure type<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Failed procedures aren't persisted in WAL.<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (!(proc instanceof FailedProcedure)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> batchIds[batchCount++] = entry.getKey();<a name="line.220"></a>
+<span class="sourceLineNo">221</span> if (batchCount == batchIds.length) {<a name="line.221"></a>
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+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> }<a name="line.225"></a>
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+<span class="sourceLineNo">228</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> it.remove();<a name="line.230"></a>
+<span class="sourceLineNo">231</span> LOG.trace("Evict completed {}", proc);<a name="line.231"></a>
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+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
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+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
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+<span class="sourceLineNo">239</span><a name="line.239"></a>
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+<span class="sourceLineNo">241</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the Procedure.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Once a Root-Procedure completes (success or failure), the result will be added to this map.<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * The user of ProcedureExecutor should call getResult(procId) to get the result.<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
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+<span class="sourceLineNo">247</span><a name="line.247"></a>
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+<span class="sourceLineNo">249</span> * Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * The RootProcedureState contains the execution stack of the Root-Procedure,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * It is added to the map by submitProcedure() and removed on procedure completion.<a name="line.251"></a>
+<span class="sourceLineNo">252</span> */<a name="line.252"></a>
+<span class="sourceLineNo">253</span> private final ConcurrentHashMap<Long, RootProcedureState<TEnvironment>> rollbackStack =<a name="line.253"></a>
+<span class="sourceLineNo">254</span> new ConcurrentHashMap<>();<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * Helper map to lookup the live procedures by ID.<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * This map contains every procedure. root-procedures and subprocedures.<a name="line.258"></a>
+<span class="sourceLineNo">259</span> */<a name="line.259"></a>
+<span class="sourceLineNo">260</span> private final ConcurrentHashMap<Long, Procedure<TEnvironment>> procedures =<a name="line.260"></a>
+<span class="sourceLineNo">261</span> new ConcurrentHashMap<>();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * Helper map to lookup whether the procedure already issued from the same client. This map<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * contains every root procedure.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> */<a name="line.266"></a>
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+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> private final CopyOnWriteArrayList<ProcedureExecutorListener> listeners =<a name="line.269"></a>
+<span class="sourceLineNo">270</span> new CopyOnWriteArrayList<>();<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
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+<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> * Created in the {@link #start(int, boolean)} method. Destroyed in {@link #join()} (FIX! Doing<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * resource handling rather than observing in a #join is unexpected).<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * (Should be ok).<a name="line.278"></a>
+<span class="sourceLineNo">279</span> */<a name="line.279"></a>
+<span class="sourceLineNo">280</span> private ThreadGroup threadGroup;<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> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * resource handling rather than observing in a #join is unexpected).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * (Should be ok).<a name="line.286"></a>
+<span class="sourceLineNo">287</span> */<a name="line.287"></a>
+<span class="sourceLineNo">288</span> private CopyOnWriteArrayList<WorkerThread> workerThreads;<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * Created in the {@link #start(int, boolean)} method. Terminated in {@link #join()} (FIX! Doing<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * resource handling rather than observing in a #join is unexpected).<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Overridden when we do the ProcedureTestingUtility.testRecoveryAndDoubleExecution trickery<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * (Should be ok).<a name="line.294"></a>
+<span class="sourceLineNo">295</span> */<a name="line.295"></a>
+<span class="sourceLineNo">296</span> private TimeoutExecutorThread<TEnvironment> timeoutExecutor;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span> private int corePoolSize;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> private int maxPoolSize;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> private volatile long keepAliveTime;<a name="line.301"></a>
+<span class="sourceLineNo">302</span><a name="line.302"></a>
+<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * Scheduler/Queue that contains runnable procedures.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private final ProcedureScheduler scheduler;<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span> private final AtomicLong lastProcId = new AtomicLong(-1);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private final AtomicLong workerId = new AtomicLong(0);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private final AtomicInteger activeExecutorCount = new AtomicInteger(0);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> private final TEnvironment environment;<a name="line.312"></a>
+<span class="sourceLineNo">313</span> private final ProcedureStore store;<a name="line.313"></a>
+<span class="sourceLineNo">314</span><a name="line.314"></a>
+<span class="sourceLineNo">315</span> private final boolean checkOwnerSet;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span> // To prevent concurrent execution of the same procedure.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // For some rare cases, especially if the procedure uses ProcedureEvent, it is possible that the<a name="line.318"></a>
+<span class="sourceLineNo">319</span> // procedure is woken up before we finish the suspend which causes the same procedures to be<a name="line.319"></a>
+<span class="sourceLineNo">320</span> // executed in parallel. This does lead to some problems, see HBASE-20939&HBASE-20949, and is also<a name="line.320"></a>
+<span class="sourceLineNo">321</span> // a bit confusing to the developers. So here we introduce this lock to prevent the concurrent<a name="line.321"></a>
+<span class="sourceLineNo">322</span> // execution of the same procedure.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> private final IdLock procExecutionLock = new IdLock();<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> public ProcedureExecutor(final Configuration conf, final TEnvironment environment,<a name="line.325"></a>
+<span class="sourceLineNo">326</span> final ProcedureStore store) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> this(conf, environment, store, new SimpleProcedureScheduler());<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
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-<span class="sourceLineNo">331</span><a name="line.331"></a>
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-<span class="sourceLineNo">334</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.335"></a>
-<span class="sourceLineNo">336</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
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-<span class="sourceLineNo">344</span><a name="line.344"></a>
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-<span class="sourceLineNo">359</span> throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.359"></a>
-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> }<a name="line.361"></a>
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-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
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-<span class="sourceLineNo">367</span> restored.add(proc.getProcId());<a name="line.367"></a>
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-<span class="sourceLineNo">369</span><a name="line.369"></a>
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-<span class="sourceLineNo">371</span> while (!stack.isEmpty()) {<a name="line.371"></a>
-<span class="sourceLineNo">372</span> restoreLock(stack.pop(), restored);<a name="line.372"></a>
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-<span class="sourceLineNo">374</span> }<a name="line.374"></a>
-<span class="sourceLineNo">375</span><a name="line.375"></a>
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-<span class="sourceLineNo">377</span> // Notice that we need to restore the locks starting from the root proc, otherwise there will be<a name="line.377"></a>
-<span class="sourceLineNo">378</span> // problem that a sub procedure may hold the exclusive lock first and then we are stuck when<a name="line.378"></a>
-<span class="sourceLineNo">379</span> // calling the acquireLock method for the parent procedure.<a name="line.379"></a>
-<span class="sourceLineNo">380</span> // The algorithm is straight-forward:<a name="line.380"></a>
-<span class="sourceLineNo">381</span> // 1. Use a set to record the procedures which locks have already been restored.<a name="line.381"></a>
-<span class="sourceLineNo">382</span> // 2. Use a stack to store the hierarchy of the procedures<a name="line.382"></a>
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-<span class="sourceLineNo">385</span> // a. We have no parent, i.e, we are the root procedure<a name="line.385"></a>
-<span class="sourceLineNo">386</span> // b. The lock has already been restored(by checking the set introduced in #1)<a name="line.386"></a>
-<span class="sourceLineNo">387</span> // then we start to pop the stack and call acquireLock for each procedure.<a name="line.387"></a>
-<span class="sourceLineNo">388</span> // Notice that this should be done for all procedures, not only the ones in runnableList.<a name="line.388"></a>
-<span class="sourceLineNo">389</span> private void restoreLocks() {<a name="line.389"></a>
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-<span class="sourceLineNo">396</span> return;<a name="line.396"></a>
-<span class="sourceLineNo">397</span> }<a name="line.397"></a>
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-<span class="sourceLineNo">403</span> stack.push(proc);<a name="line.403"></a>
-<span class="sourceLineNo">404</span> proc = procedures.get(proc.getParentProcId());<a name="line.404"></a>
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-<span class="sourceLineNo">411</span> // 1. Build the rollback stack<a name="line.411"></a>
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+<span class="sourceLineNo">337</span> refreshConfiguration(conf);<a name="line.337"></a>
+<span class="sourceLineNo">338</span><a name="line.338"></a>
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+<span class="sourceLineNo">340</span><a name="line.340"></a>
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+<span class="sourceLineNo">343</span> Preconditions.checkArgument(rollbackStack.isEmpty(), "rollback state not empty");<a name="line.343"></a>
+<span class="sourceLineNo">344</span> Preconditions.checkArgument(procedures.isEmpty(), "procedure map not empty");<a name="line.344"></a>
+<span class="sourceLineNo">345</span> Preconditions.checkArgument(scheduler.size() == 0, "run queue not empty");<a name="line.345"></a>
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+<span class="sourceLineNo">437</span><a name="line.437"></a>
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+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
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+<span class="sourceLineNo">458</span> // introduce the restore lock stage.<a name="line.458"></a>
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+<span class="sourceLineNo">468</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.468"></a>
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+<span class="sourceLineNo">473</span> continue;<a name="line.473"></a>
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+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.476"></a>
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<span class="sourceLineNo">478</span><a name="line.478"></a>
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-<span class="sourceLineNo">482</span> if (parent != null && !proc.isFinished()) {<a name="line
<TRUNCATED>
[23/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html b/devapidocs/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html
index e0d5c9f..44d141d 100644
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<hr>
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<pre>@InterfaceAudience.Private
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+public class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.html#line.76">ProcedureExecutor</a><TEnvironment>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Thread Pool that executes the submitted procedures.
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@@ -261,50 +261,54 @@ extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html
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<div class="block">Map the the procId returned by submitProcedure(), the Root-ProcID, to the RootProcedureState.</div>
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<div class="block">Scheduler/Queue that contains runnable procedures.</div>
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----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerReportEvent.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerReportEvent.html
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<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
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<TRUNCATED>
[28/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
Published site at 7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Project: http://git-wip-us.apache.org/repos/asf/hbase-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase-site/commit/9cc58aff
Tree: http://git-wip-us.apache.org/repos/asf/hbase-site/tree/9cc58aff
Diff: http://git-wip-us.apache.org/repos/asf/hbase-site/diff/9cc58aff
Branch: refs/heads/asf-site
Commit: 9cc58affb3190c09b2476a0ce6d5272eb1c003ea
Parents: 23357d7
Author: jenkins <bu...@apache.org>
Authored: Fri Jul 27 14:51:08 2018 +0000
Committer: jenkins <bu...@apache.org>
Committed: Fri Jul 27 14:51:08 2018 +0000
----------------------------------------------------------------------
acid-semantics.html | 4 +-
apache_hbase_reference_guide.pdf | 4 +-
book.html | 2 +-
bulk-loads.html | 4 +-
checkstyle-aggregate.html | 35870 ++++++++---------
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dependencies.html | 4 +-
dependency-convergence.html | 4 +-
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.../hadoop/hbase/util/class-use/IdLock.html | 22 +
.../apache/hadoop/hbase/util/package-tree.html | 8 +-
.../apache/hadoop/hbase/util/package-use.html | 6 +
devapidocs/serialized-form.html | 4 +
.../org/apache/hadoop/hbase/Version.html | 6 +-
.../RegionStates.AssignmentProcedureEvent.html | 994 +-
.../RegionStates.RegionFailedOpen.html | 994 +-
.../RegionStates.RegionStateNode.html | 994 +-
...RegionStates.RegionStateStampComparator.html | 994 +-
.../RegionStates.ServerReportEvent.html | 994 +-
.../assignment/RegionStates.ServerState.html | 994 +-
.../RegionStates.ServerStateNode.html | 994 +-
.../hbase/master/assignment/RegionStates.html | 994 +-
.../procedure/ReopenTableRegionsProcedure.html | 2 +-
...edureExecutor.CompletedProcedureCleaner.html | 3700 +-
...dureExecutor.CompletedProcedureRetainer.html | 3700 +-
.../ProcedureExecutor.FailedProcedure.html | 3700 +-
...ProcedureExecutor.KeepAliveWorkerThread.html | 3700 +-
...edureExecutor.ProcedureExecutorListener.html | 3700 +-
.../procedure2/ProcedureExecutor.Testing.html | 3700 +-
.../ProcedureExecutor.WorkerMonitor.html | 3700 +-
.../ProcedureExecutor.WorkerThread.html | 3700 +-
.../hbase/procedure2/ProcedureExecutor.html | 3700 +-
.../procedure2/ProcedureSuspendedException.html | 18 +-
...upAdminEndpoint.RSGroupAdminServiceImpl.html | 44 +-
.../hbase/rsgroup/RSGroupAdminEndpoint.html | 44 +-
.../apache/hadoop/hbase/util/IdLock.Entry.html | 275 +-
.../org/apache/hadoop/hbase/util/IdLock.html | 275 +-
downloads.html | 4 +-
export_control.html | 4 +-
index.html | 4 +-
integration.html | 4 +-
issue-tracking.html | 4 +-
license.html | 4 +-
mail-lists.html | 4 +-
metrics.html | 4 +-
old_news.html | 4 +-
plugin-management.html | 4 +-
plugins.html | 4 +-
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project-info.html | 4 +-
project-reports.html | 4 +-
project-summary.html | 4 +-
pseudo-distributed.html | 4 +-
replication.html | 4 +-
resources.html | 4 +-
source-repository.html | 4 +-
sponsors.html | 4 +-
supportingprojects.html | 4 +-
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testdevapidocs/allclasses-frame.html | 1 +
testdevapidocs/allclasses-noframe.html | 1 +
testdevapidocs/index-all.html | 28 +
.../hadoop/hbase/backup/package-tree.html | 2 +-
.../hbase/class-use/HBaseClassTestRule.html | 20 +-
.../hbase/class-use/HBaseTestingUtility.html | 18 +-
.../TestMergeTableRegionsProcedure.html | 4 +-
.../assignment/TestModifyTableWhileMerging.html | 440 +
.../assignment/TestRegionMoveAndAbandon.html | 4 +-
.../class-use/TestModifyTableWhileMerging.html | 125 +
.../hbase/master/assignment/package-frame.html | 1 +
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.../hadoop/hbase/rsgroup/TestRSGroups.html | 2 +-
.../hadoop/hbase/rsgroup/TestRSGroupsBase.html | 54 +-
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.../apache/hadoop/hbase/wal/package-tree.html | 2 +-
testdevapidocs/overview-tree.html | 1 +
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.../assignment/TestModifyTableWhileMerging.html | 181 +
.../hadoop/hbase/rsgroup/TestRSGroupsBase.html | 30 +-
122 files changed, 40329 insertions(+), 39301 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/acid-semantics.html
----------------------------------------------------------------------
diff --git a/acid-semantics.html b/acid-semantics.html
index 98ed39e..1072217 100644
--- a/acid-semantics.html
+++ b/acid-semantics.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Apache HBase (TM) ACID Properties
@@ -601,7 +601,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/apache_hbase_reference_guide.pdf
----------------------------------------------------------------------
diff --git a/apache_hbase_reference_guide.pdf b/apache_hbase_reference_guide.pdf
index a095172..7bb68be 100644
--- a/apache_hbase_reference_guide.pdf
+++ b/apache_hbase_reference_guide.pdf
@@ -5,8 +5,8 @@
/Author (Apache HBase Team)
/Creator (Asciidoctor PDF 1.5.0.alpha.15, based on Prawn 2.2.2)
/Producer (Apache HBase Team)
-/ModDate (D:20180726142959+00'00')
-/CreationDate (D:20180726144554+00'00')
+/ModDate (D:20180727142953+00'00')
+/CreationDate (D:20180727144714+00'00')
>>
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2 0 obj
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/book.html
----------------------------------------------------------------------
diff --git a/book.html b/book.html
index d111c13..f2d2e4d 100644
--- a/book.html
+++ b/book.html
@@ -40950,7 +40950,7 @@ org/apache/hadoop/hbase/security/access/AccessControlClient.revoke:(Lorg/apache/
<div id="footer">
<div id="footer-text">
Version 3.0.0-SNAPSHOT<br>
-Last updated 2018-07-26 14:29:59 UTC
+Last updated 2018-07-27 14:29:53 UTC
</div>
</div>
</body>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/bulk-loads.html
----------------------------------------------------------------------
diff --git a/bulk-loads.html b/bulk-loads.html
index 71a10c6..f644ebd 100644
--- a/bulk-loads.html
+++ b/bulk-loads.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Bulk Loads in Apache HBase (TM)
@@ -306,7 +306,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
[21/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.AssignmentProcedureEvent.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.AssignmentProcedureEvent.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.AssignmentProcedureEvent.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.AssignmentProcedureEvent.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.AssignmentProcedureEvent.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
<span class="sourceLineNo">645</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.645"></a>
-<span class="sourceLineNo">646</span> synchronized (node) {<a name="line.646"></a>
-<span class="sourceLineNo">647</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.647"></a>
-<span class="sourceLineNo">648</span> // in OPEN state before<a name="line.648"></a>
-<span class="sourceLineNo">649</span> if (node.isInState(State.OPEN)) {<a name="line.649"></a>
-<span class="sourceLineNo">650</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.650"></a>
-<span class="sourceLineNo">651</span> // normal case, the region has been reopened<a name="line.651"></a>
-<span class="sourceLineNo">652</span> return null;<a name="line.652"></a>
-<span class="sourceLineNo">653</span> } else {<a name="line.653"></a>
-<span class="sourceLineNo">654</span> // the open seq num does not change, need to reopen again<a name="line.654"></a>
-<span class="sourceLineNo">655</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.655"></a>
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-<span class="sourceLineNo">658</span> } else {<a name="line.658"></a>
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-<span class="sourceLineNo">660</span> // finished maybe, but not a problem).<a name="line.660"></a>
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-<span class="sourceLineNo">665</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.665"></a>
-<span class="sourceLineNo">666</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.666"></a>
-<span class="sourceLineNo">667</span> // reopened(not finished maybe, but not a problem)<a name="line.667"></a>
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-<span class="sourceLineNo">672</span> return null;<a name="line.672"></a>
-<span class="sourceLineNo">673</span> }<a name="line.673"></a>
-<span class="sourceLineNo">674</span> // normal case, we are still in OPENING state, or the reopen has been opened and the state<a name="line.674"></a>
-<span class="sourceLineNo">675</span> // is changed to OPEN.<a name="line.675"></a>
-<span class="sourceLineNo">676</span> long openSeqNum = node.isInState(State.OPEN) ? node.getOpenSeqNum() : -1;<a name="line.676"></a>
-<span class="sourceLineNo">677</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<a name="line.677"></a>
-<span class="sourceLineNo">678</span> }<a name="line.678"></a>
-<span class="sourceLineNo">679</span> }<a name="line.679"></a>
-<span class="sourceLineNo">680</span> }<a name="line.680"></a>
-<span class="sourceLineNo">681</span> }<a name="line.681"></a>
-<span class="sourceLineNo">682</span><a name="line.682"></a>
-<span class="sourceLineNo">683</span> /**<a name="line.683"></a>
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-<span class="sourceLineNo">686</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.686"></a>
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-<span class="sourceLineNo">697</span> .collect(Collectors.toList());<a name="line.697"></a>
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-<span class="sourceLineNo">701</span> * Utility. Whether to include region in list of regions. Default is to<a name="line.701"></a>
-<span class="sourceLineNo">702</span> * weed out split and offline regions.<a name="line.702"></a>
-<span class="sourceLineNo">703</span> * @return True if we should include the <code>node</code> (do not include<a name="line.703"></a>
-<span class="sourceLineNo">704</span> * if split or offline unless <code>offline</code> is set to true.<a name="line.704"></a>
-<span class="sourceLineNo">705</span> */<a name="line.705"></a>
-<span class="sourceLineNo">706</span> boolean include(final RegionStateNode node, final boolean offline) {<a name="line.706"></a>
-<span class="sourceLineNo">707</span> if (LOG.isTraceEnabled()) {<a name="line.707"></a>
-<span class="sourceLineNo">708</span> LOG.trace("WORKING ON " + node + " " + node.getRegionInfo());<a name="line.708"></a>
-<span class="sourceLineNo">709</span> }<a name="line.709"></a>
-<span class="sourceLineNo">710</span> if (node.isInState(State.SPLIT)) return false;<a name="line.710"></a>
-<span class="sourceLineNo">711</span> if (node.isInState(State.OFFLINE) && !offline) return false;<a name="line.711"></a>
-<span class="sourceLineNo">712</span> final RegionInfo hri = node.getRegionInfo();<a name="line.712"></a>
-<span class="sourceLineNo">713</span> return (!hri.isOffline() && !hri.isSplit()) ||<a name="line.713"></a>
-<span class="sourceLineNo">714</span> ((hri.isOffline() || hri.isSplit()) && offline);<a name="line.714"></a>
-<span class="sourceLineNo">715</span> }<a name="line.715"></a>
-<span class="sourceLineNo">716</span><a name="line.716"></a>
-<span class="sourceLineNo">717</span> /**<a name="line.717"></a>
-<span class="sourceLineNo">718</span> * Returns the set of regions hosted by the specified server<a name="line.718"></a>
-<span class="sourceLineNo">719</span> * @param serverName the server we are interested in<a name="line.719"></a>
-<span class="sourceLineNo">720</span> * @return set of RegionInfo hosted by the specified server<a name="line.720"></a>
-<span class="sourceLineNo">721</span> */<a name="line.721"></a>
-<span class="sourceLineNo">722</span> public List<RegionInfo> getServerRegionInfoSet(final ServerName serverName) {<a name="line.722"></a>
-<span class="sourceLineNo">723</span> final ServerStateNode serverInfo = getServerNode(serverName);<a name="line.723"></a>
-<span class="sourceLineNo">724</span> if (serverInfo == null) return Collections.emptyList();<a name="line.724"></a>
-<span class="sourceLineNo">725</span><a name="line.725"></a>
-<span class="sourceLineNo">726</span> synchronized (serverInfo) {<a name="line.726"></a>
-<span class="sourceLineNo">727</span> return serverInfo.getRegionInfoList();<a name="line.727"></a>
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-<span class="sourceLineNo">730</span><a name="line.730"></a>
-<span class="sourceLineNo">731</span> // ============================================================================================<a name="line.731"></a>
-<span class="sourceLineNo">732</span> // Split helpers<a name="line.732"></a>
-<span class="sourceLineNo">733</span> // These methods will only be called in ServerCrashProcedure, and at the end of SCP we will remove<a name="line.733"></a>
-<span class="sourceLineNo">734</span> // the ServerStateNode by calling removeServer.<a name="line.734"></a>
-<span class="sourceLineNo">735</span> // ============================================================================================<a name="line.735"></a>
+<span class="sourceLineNo">646</span> // HBASE-20921<a name="line.646"></a>
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+<span class="sourceLineNo">649</span> if (node == null) {<a name="line.649"></a>
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+<span class="sourceLineNo">652</span> synchronized (node) {<a name="line.652"></a>
+<span class="sourceLineNo">653</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.653"></a>
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+<span class="sourceLineNo">655</span> if (node.isInState(State.OPEN)) {<a name="line.655"></a>
+<span class="sourceLineNo">656</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.656"></a>
+<span class="sourceLineNo">657</span> // normal case, the region has been reopened<a name="line.657"></a>
+<span class="sourceLineNo">658</span> return null;<a name="line.658"></a>
+<span class="sourceLineNo">659</span> } else {<a name="line.659"></a>
+<span class="sourceLineNo">660</span> // the open seq num does not change, need to reopen again<a name="line.660"></a>
+<span class="sourceLineNo">661</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.661"></a>
+<span class="sourceLineNo">662</span> node.getOpenSeqNum());<a name="line.662"></a>
+<span class="sourceLineNo">663</span> }<a name="line.663"></a>
+<span class="sourceLineNo">664</span> } else {<a name="line.664"></a>
+<span class="sourceLineNo">665</span> // the state has been changed so we can make sure that the region has been reopened(not<a name="line.665"></a>
+<span class="sourceLineNo">666</span> // finished maybe, but not a problem).<a name="line.666"></a>
+<span class="sourceLineNo">667</span> return null;<a name="line.667"></a>
+<span class="sourceLineNo">668</span> }<a name="line.668"></a>
+<span class="sourceLineNo">669</span> } else {<a name="line.669"></a>
+<span class="sourceLineNo">670</span> // in OPENING state before<a name="line.670"></a>
+<span class="sourceLineNo">671</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.671"></a>
+<span class="sourceLineNo">672</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.672"></a>
+<span class="sourceLineNo">673</span> // reopened(not finished maybe, but not a problem)<a name="line.673"></a>
+<span class="sourceLineNo">674</span> return null;<a name="line.674"></a>
+<span class="sourceLineNo">675</span> } else {<a name="line.675"></a>
+<span class="sourceLineNo">676</span> if (!node.getRegionLocation().equals(oldLoc.getServerName())) {<a name="line.676"></a>
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<TRUNCATED>
[03/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
Posted by gi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html
----------------------------------------------------------------------
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.html b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.html
index 45e689b..3bf5bde 100644
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
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+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
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+<span class="sourceLineNo">024</span><a name="line.24"></a>
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+<span class="sourceLineNo">026</span><a name="line.26"></a>
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+<span class="sourceLineNo">038</span> * idLock.releaseLockEntry(lockEntry);<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * }</pre><a name="line.39"></a>
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+<span class="sourceLineNo">041</span>@InterfaceAudience.Private<a name="line.41"></a>
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+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> public void releaseLockEntry(Entry entry) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> synchronized (entry) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> entry.locked = false;<a name="line.109"></a>
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+<span class="sourceLineNo">111</span> entry.notify();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> } else {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> map.remove(entry.id);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> }<a name="line.114"></a>
+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span> }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> /** For testing */<a name="line.118"></a>
+<span class="sourceLineNo">119</span> void assertMapEmpty() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> assert map.isEmpty();<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
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+<span class="sourceLineNo">123</span> @VisibleForTesting<a name="line.123"></a>
+<span class="sourceLineNo">124</span> public void waitForWaiters(long id, int numWaiters) throws InterruptedException {<a name="line.124"></a>
+<span class="sourceLineNo">125</span> for (Entry entry;;) {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> entry = map.get(id);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> if (entry != null) {<a name="line.127"></a>
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+<span class="sourceLineNo">129</span> if (entry.numWaiters >= numWaiters) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return;<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> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> Thread.sleep(100);<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span>}<a name="line.137"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
----------------------------------------------------------------------
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index e3c9d73..18375e0 100644
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+++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
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-<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a>
-<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a>
-<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a>
-<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a>
-<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a>
-<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a>
-<span class="sourceLineNo">010</span> *<a name="line.10"></a>
-<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a>
-<span class="sourceLineNo">012</span> *<a name="line.12"></a>
-<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a>
-<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a>
-<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a>
-<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a>
-<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
-<span class="sourceLineNo">018</span> */<a name="line.18"></a>
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+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.InterruptedIOException;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.concurrent.ConcurrentMap;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>/**<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * Allows multiple concurrent clients to lock on a numeric id with a minimal<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * memory overhead. The intended usage is as follows:<a name="line.31"></a>
+<span class="sourceLineNo">032</span> *<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * <pre><a name="line.33"></a>
+<span class="sourceLineNo">034</span> * IdLock.Entry lockEntry = idLock.getLockEntry(id);<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * try {<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * // User code.<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * } finally {<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * idLock.releaseLockEntry(lockEntry);<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * }</pre><a name="line.39"></a>
+<span class="sourceLineNo">040</span> */<a name="line.40"></a>
+<span class="sourceLineNo">041</span>@InterfaceAudience.Private<a name="line.41"></a>
+<span class="sourceLineNo">042</span>public class IdLock {<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span> /** An entry returned to the client as a lock object */<a name="line.44"></a>
+<span class="sourceLineNo">045</span> public static final class Entry {<a name="line.45"></a>
+<span class="sourceLineNo">046</span> private final long id;<a name="line.46"></a>
+<span class="sourceLineNo">047</span> private int numWaiters;<a name="line.47"></a>
+<span class="sourceLineNo">048</span> private boolean locked = true;<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> private Entry(long id) {<a name="line.50"></a>
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+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span> @Override<a name="line.54"></a>
+<span class="sourceLineNo">055</span> public String toString() {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> return "id=" + id + ", numWaiter=" + numWaiters + ", isLocked="<a name="line.56"></a>
+<span class="sourceLineNo">057</span> + locked;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> }<a name="line.58"></a>
+<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> private ConcurrentMap<Long, Entry> map = new ConcurrentHashMap<>();<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> /**<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * Blocks until the lock corresponding to the given id is acquired.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> *<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * @param id an arbitrary number to lock on<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * @return an "entry" to pass to {@link #releaseLockEntry(Entry)} to release<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * the lock<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * @throws IOException if interrupted<a name="line.69"></a>
+<span class="sourceLineNo">070</span> */<a name="line.70"></a>
+<span class="sourceLineNo">071</span> public Entry getLockEntry(long id) throws IOException {<a name="line.71"></a>
+<span class="sourceLineNo">072</span> Entry entry = new Entry(id);<a name="line.72"></a>
+<span class="sourceLineNo">073</span> Entry existing;<a name="line.73"></a>
+<span class="sourceLineNo">074</span> while ((existing = map.putIfAbsent(entry.id, entry)) != null) {<a name="line.74"></a>
+<span class="sourceLineNo">075</span> synchronized (existing) {<a name="line.75"></a>
+<span class="sourceLineNo">076</span> if (existing.locked) {<a name="line.76"></a>
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+<span class="sourceLineNo">078</span> while (existing.locked) {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> try {<a name="line.79"></a>
+<span class="sourceLineNo">080</span> existing.wait();<a name="line.80"></a>
+<span class="sourceLineNo">081</span> } catch (InterruptedException e) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> --existing.numWaiters; // Remove ourselves from waiters.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> throw new InterruptedIOException(<a name="line.83"></a>
+<span class="sourceLineNo">084</span> "Interrupted waiting to acquire sparse lock");<a name="line.84"></a>
+<span class="sourceLineNo">085</span> }<a name="line.85"></a>
+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> --existing.numWaiters; // Remove ourselves from waiters.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> existing.locked = true;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> return existing;<a name="line.90"></a>
+<span class="sourceLineNo">091</span> }<a name="line.91"></a>
+<span class="sourceLineNo">092</span> // If the entry is not locked, it might already be deleted from the<a name="line.92"></a>
+<span class="sourceLineNo">093</span> // map, so we cannot return it. We need to get our entry into the map<a name="line.93"></a>
+<span class="sourceLineNo">094</span> // or get someone else's locked entry.<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span> }<a name="line.96"></a>
+<span class="sourceLineNo">097</span> return entry;<a name="line.97"></a>
+<span class="sourceLineNo">098</span> }<a name="line.98"></a>
+<span class="sourceLineNo">099</span><a name="line.99"></a>
+<span class="sourceLineNo">100</span> /**<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * Must be called in a finally block to decrease the internal counter and<a name="line.101"></a>
+<span class="sourceLineNo">102</span> * remove the monitor object for the given id if the caller is the last<a name="line.102"></a>
+<span class="sourceLineNo">103</span> * client.<a name="line.103"></a>
+<span class="sourceLineNo">104</span> *<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * @param entry the return value of {@link #getLockEntry(long)}<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> public void releaseLockEntry(Entry entry) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> synchronized (entry) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> entry.locked = false;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> if (entry.numWaiters > 0) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> entry.notify();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> } else {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> map.remove(entry.id);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> }<a name="line.114"></a>
+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span> }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> /** For testing */<a name="line.118"></a>
+<span class="sourceLineNo">119</span> void assertMapEmpty() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> assert map.isEmpty();<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> @VisibleForTesting<a name="line.123"></a>
+<span class="sourceLineNo">124</span> public void waitForWaiters(long id, int numWaiters) throws InterruptedException {<a name="line.124"></a>
+<span class="sourceLineNo">125</span> for (Entry entry;;) {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> entry = map.get(id);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> if (entry != null) {<a name="line.127"></a>
+<span class="sourceLineNo">128</span> synchronized (entry) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span> if (entry.numWaiters >= numWaiters) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return;<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> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> Thread.sleep(100);<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span>}<a name="line.137"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/downloads.html
----------------------------------------------------------------------
diff --git a/downloads.html b/downloads.html
index 17aee59..5d23c3f 100644
--- a/downloads.html
+++ b/downloads.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Apache HBase Downloads</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -423,7 +423,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/export_control.html
----------------------------------------------------------------------
diff --git a/export_control.html b/export_control.html
index 9b072f4..2e7fed0 100644
--- a/export_control.html
+++ b/export_control.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Export Control
@@ -331,7 +331,7 @@ for more details.</p>
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/index.html
----------------------------------------------------------------------
diff --git a/index.html b/index.html
index 942378d..0274fc4 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Apache HBase™ Home</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -411,7 +411,7 @@ Apache HBase is an open-source, distributed, versioned, non-relational database
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/integration.html
----------------------------------------------------------------------
diff --git a/integration.html b/integration.html
index accd643..8f2d8af 100644
--- a/integration.html
+++ b/integration.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – CI Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -291,7 +291,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/issue-tracking.html
----------------------------------------------------------------------
diff --git a/issue-tracking.html b/issue-tracking.html
index 9ec0a71..b70f200 100644
--- a/issue-tracking.html
+++ b/issue-tracking.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Issue Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -288,7 +288,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/license.html
----------------------------------------------------------------------
diff --git a/license.html b/license.html
index cf5a2bf..4c53c7c 100644
--- a/license.html
+++ b/license.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Licenses</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -491,7 +491,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/mail-lists.html
----------------------------------------------------------------------
diff --git a/mail-lists.html b/mail-lists.html
index b5c11a0..b290e7b 100644
--- a/mail-lists.html
+++ b/mail-lists.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Mailing Lists</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -341,7 +341,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/metrics.html
----------------------------------------------------------------------
diff --git a/metrics.html b/metrics.html
index 5bb9cc5..0d6fe09 100644
--- a/metrics.html
+++ b/metrics.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Apache HBase (TM) Metrics
@@ -459,7 +459,7 @@ export HBASE_REGIONSERVER_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxrem
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/old_news.html
----------------------------------------------------------------------
diff --git a/old_news.html b/old_news.html
index e00984d..b1945d7 100644
--- a/old_news.html
+++ b/old_news.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Old Apache HBase (TM) News
@@ -440,7 +440,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/plugin-management.html
----------------------------------------------------------------------
diff --git a/plugin-management.html b/plugin-management.html
index 4004d15..3162676 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Plugin Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -440,7 +440,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/plugins.html
----------------------------------------------------------------------
diff --git a/plugins.html b/plugins.html
index 3892ffc..3a2264d 100644
--- a/plugins.html
+++ b/plugins.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Plugins</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -375,7 +375,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/poweredbyhbase.html
----------------------------------------------------------------------
diff --git a/poweredbyhbase.html b/poweredbyhbase.html
index a5f0c49..d643c1e 100644
--- a/poweredbyhbase.html
+++ b/poweredbyhbase.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Powered By Apache HBase</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -769,7 +769,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/project-info.html
----------------------------------------------------------------------
diff --git a/project-info.html b/project-info.html
index c2a7db5..38610e6 100644
--- a/project-info.html
+++ b/project-info.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Information</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -335,7 +335,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/project-reports.html
----------------------------------------------------------------------
diff --git a/project-reports.html b/project-reports.html
index 5e4fc8c..a0d21e0 100644
--- a/project-reports.html
+++ b/project-reports.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Generated Reports</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -305,7 +305,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/project-summary.html
----------------------------------------------------------------------
diff --git a/project-summary.html b/project-summary.html
index 7149d65..1323dd7 100644
--- a/project-summary.html
+++ b/project-summary.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Summary</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -331,7 +331,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/pseudo-distributed.html
----------------------------------------------------------------------
diff --git a/pseudo-distributed.html b/pseudo-distributed.html
index 0ec71c7..da9666b 100644
--- a/pseudo-distributed.html
+++ b/pseudo-distributed.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Running Apache HBase (TM) in pseudo-distributed mode
@@ -308,7 +308,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/replication.html
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diff --git a/replication.html b/replication.html
index 6c38eb3..99534af 100644
--- a/replication.html
+++ b/replication.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Apache HBase (TM) Replication
@@ -303,7 +303,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/resources.html
----------------------------------------------------------------------
diff --git a/resources.html b/resources.html
index b77c0ff..4916a26 100644
--- a/resources.html
+++ b/resources.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Other Apache HBase (TM) Resources</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -331,7 +331,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/source-repository.html
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diff --git a/source-repository.html b/source-repository.html
index 85529a4..cf93289 100644
--- a/source-repository.html
+++ b/source-repository.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Source Code Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -299,7 +299,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/sponsors.html
----------------------------------------------------------------------
diff --git a/sponsors.html b/sponsors.html
index fbe8905..ac58d4b 100644
--- a/sponsors.html
+++ b/sponsors.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Apache HBase Sponsors</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -333,7 +333,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/supportingprojects.html
----------------------------------------------------------------------
diff --git a/supportingprojects.html b/supportingprojects.html
index 63a9f66..1f84384 100644
--- a/supportingprojects.html
+++ b/supportingprojects.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Supporting Projects</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -520,7 +520,7 @@ under the License. -->
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/team-list.html
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diff --git a/team-list.html b/team-list.html
index 2bbf451..7b9cd24 100644
--- a/team-list.html
+++ b/team-list.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20180726" />
+ <meta name="Date-Revision-yyyymmdd" content="20180727" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Team</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -742,7 +742,7 @@
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2018-07-26</li>
+ <li id="publishDate" class="pull-right">Last Published: 2018-07-27</li>
</p>
</div>