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From bus...@apache.org
Subject [08/52] [partial] hbase-site git commit: Published site at a55af38689fbe273e716ebbf6191e9515986dbf3.
Date Thu, 14 Jul 2016 19:46:31 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/975096b1/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 93a3aac..42817ad 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
@@ -26,44 +26,44 @@
 <span class="sourceLineNo">018</span><a name="line.18"></a>
 <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.procedure2;<a name="line.19"></a>
 <span class="sourceLineNo">020</span><a name="line.20"></a>
-<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.io.InputStream;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.io.OutputStream;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.Arrays;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Iterator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.HashSet;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.concurrent.TimeUnit;<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.commons.logging.Log;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.commons.logging.LogFactory;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.conf.Configuration;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HConstants;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.ProcedureInfo;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.exceptions.IllegalArgumentIOException;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore.ProcedureIterator;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.procedure2.util.TimeoutBlockingQueue;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.procedure2.util.TimeoutBlockingQueue.TimeoutRetriever;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.security.User;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>import com.google.common.base.Preconditions;<a name="line.58"></a>
+<span class="sourceLineNo">021</span>import com.google.common.base.Preconditions;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.InputStream;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.OutputStream;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Collections;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.HashSet;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Iterator;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Map;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.concurrent.TimeUnit;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.commons.logging.Log;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.commons.logging.LogFactory;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.conf.Configuration;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HConstants;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ProcedureInfo;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.exceptions.IllegalArgumentIOException;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore.ProcedureIterator;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.procedure2.util.TimeoutBlockingQueue;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.procedure2.util.TimeoutBlockingQueue.TimeoutRetriever;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.security.User;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Pair;<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> * Thread Pool that executes the submitted procedures.<a name="line.61"></a>
@@ -322,7 +322,7 @@
 <span class="sourceLineNo">314</span>          corruptedCount++;<a name="line.314"></a>
 <span class="sourceLineNo">315</span>        }<a name="line.315"></a>
 <span class="sourceLineNo">316</span>        if (abortOnCorruption &amp;&amp; corruptedCount &gt; 0) {<a name="line.316"></a>
-<span class="sourceLineNo">317</span>          throw new IOException("found " + corruptedCount + " procedures on replay");<a name="line.317"></a>
+<span class="sourceLineNo">317</span>          throw new IOException("found " + corruptedCount + " corrupted procedure(s) on replay");<a name="line.317"></a>
 <span class="sourceLineNo">318</span>        }<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>
@@ -396,10 +396,10 @@
 <span class="sourceLineNo">388</span>        continue;<a name="line.388"></a>
 <span class="sourceLineNo">389</span>      }<a name="line.389"></a>
 <span class="sourceLineNo">390</span><a name="line.390"></a>
-<span class="sourceLineNo">391</span>      if (proc.hasParent() &amp;&amp; !proc.isFinished()) {<a name="line.391"></a>
+<span class="sourceLineNo">391</span>      if (proc.hasParent()) {<a name="line.391"></a>
 <span class="sourceLineNo">392</span>        Procedure parent = procedures.get(proc.getParentProcId());<a name="line.392"></a>
 <span class="sourceLineNo">393</span>        // corrupted procedures are handled later at step 3<a name="line.393"></a>
-<span class="sourceLineNo">394</span>        if (parent != null) {<a name="line.394"></a>
+<span class="sourceLineNo">394</span>        if (parent != null &amp;&amp; !proc.isFinished()) {<a name="line.394"></a>
 <span class="sourceLineNo">395</span>          parent.incChildrenLatch();<a name="line.395"></a>
 <span class="sourceLineNo">396</span>        }<a name="line.396"></a>
 <span class="sourceLineNo">397</span>      }<a name="line.397"></a>
@@ -411,911 +411,940 @@
 <span class="sourceLineNo">403</span>        case RUNNABLE:<a name="line.403"></a>
 <span class="sourceLineNo">404</span>          runnableList.add(proc);<a name="line.404"></a>
 <span class="sourceLineNo">405</span>          break;<a name="line.405"></a>
-<span class="sourceLineNo">406</span>        case WAITING_TIMEOUT:<a name="line.406"></a>
-<span class="sourceLineNo">407</span>          if (waitingSet == null) {<a name="line.407"></a>
-<span class="sourceLineNo">408</span>            waitingSet = new HashSet&lt;Procedure&gt;();<a name="line.408"></a>
+<span class="sourceLineNo">406</span>        case WAITING:<a name="line.406"></a>
+<span class="sourceLineNo">407</span>          if (!proc.hasChildren()) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span>            runnableList.add(proc);<a name="line.408"></a>
 <span class="sourceLineNo">409</span>          }<a name="line.409"></a>
-<span class="sourceLineNo">410</span>          waitingSet.add(proc);<a name="line.410"></a>
-<span class="sourceLineNo">411</span>          break;<a name="line.411"></a>
-<span class="sourceLineNo">412</span>        case FINISHED:<a name="line.412"></a>
-<span class="sourceLineNo">413</span>          if (proc.hasException()) {<a name="line.413"></a>
-<span class="sourceLineNo">414</span>            // add the proc to the runnables to perform the rollback<a name="line.414"></a>
-<span class="sourceLineNo">415</span>            runnables.addBack(proc);<a name="line.415"></a>
-<span class="sourceLineNo">416</span>            break;<a name="line.416"></a>
-<span class="sourceLineNo">417</span>          }<a name="line.417"></a>
-<span class="sourceLineNo">418</span>        case ROLLEDBACK:<a name="line.418"></a>
-<span class="sourceLineNo">419</span>        case INITIALIZING:<a name="line.419"></a>
-<span class="sourceLineNo">420</span>          String msg = "Unexpected " + proc.getState() + " state for " + proc;<a name="line.420"></a>
-<span class="sourceLineNo">421</span>          LOG.error(msg);<a name="line.421"></a>
-<span class="sourceLineNo">422</span>          throw new UnsupportedOperationException(msg);<a name="line.422"></a>
-<span class="sourceLineNo">423</span>        default:<a name="line.423"></a>
-<span class="sourceLineNo">424</span>          break;<a name="line.424"></a>
-<span class="sourceLineNo">425</span>      }<a name="line.425"></a>
-<span class="sourceLineNo">426</span>    }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span>    // 3. Validate the stacks<a name="line.428"></a>
-<span class="sourceLineNo">429</span>    int corruptedCount = 0;<a name="line.429"></a>
-<span class="sourceLineNo">430</span>    Iterator&lt;Map.Entry&lt;Long, RootProcedureState&gt;&gt; itStack = rollbackStack.entrySet().iterator();<a name="line.430"></a>
-<span class="sourceLineNo">431</span>    while (itStack.hasNext()) {<a name="line.431"></a>
-<span class="sourceLineNo">432</span>      Map.Entry&lt;Long, RootProcedureState&gt; entry = itStack.next();<a name="line.432"></a>
-<span class="sourceLineNo">433</span>      RootProcedureState procStack = entry.getValue();<a name="line.433"></a>
-<span class="sourceLineNo">434</span>      if (procStack.isValid()) continue;<a name="line.434"></a>
-<span class="sourceLineNo">435</span><a name="line.435"></a>
-<span class="sourceLineNo">436</span>      for (Procedure proc: procStack.getSubprocedures()) {<a name="line.436"></a>
-<span class="sourceLineNo">437</span>        LOG.error("corrupted procedure: " + proc);<a name="line.437"></a>
-<span class="sourceLineNo">438</span>        procedures.remove(proc.getProcId());<a name="line.438"></a>
-<span class="sourceLineNo">439</span>        runnableList.remove(proc);<a name="line.439"></a>
-<span class="sourceLineNo">440</span>        if (waitingSet != null) waitingSet.remove(proc);<a name="line.440"></a>
-<span class="sourceLineNo">441</span>        corruptedCount++;<a name="line.441"></a>
-<span class="sourceLineNo">442</span>      }<a name="line.442"></a>
-<span class="sourceLineNo">443</span>      itStack.remove();<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>    if (abortOnCorruption &amp;&amp; corruptedCount &gt; 0) {<a name="line.446"></a>
-<span class="sourceLineNo">447</span>      throw new IOException("found " + corruptedCount + " procedures on replay");<a name="line.447"></a>
-<span class="sourceLineNo">448</span>    }<a name="line.448"></a>
-<span class="sourceLineNo">449</span><a name="line.449"></a>
-<span class="sourceLineNo">450</span>    // 4. Push the runnables<a name="line.450"></a>
-<span class="sourceLineNo">451</span>    if (!runnableList.isEmpty()) {<a name="line.451"></a>
-<span class="sourceLineNo">452</span>      // TODO: See ProcedureWALFormatReader#hasFastStartSupport<a name="line.452"></a>
-<span class="sourceLineNo">453</span>      // some procedure may be started way before this stuff.<a name="line.453"></a>
-<span class="sourceLineNo">454</span>      for (int i = runnableList.size() - 1; i &gt;= 0; --i) {<a name="line.454"></a>
-<span class="sourceLineNo">455</span>        Procedure proc = runnableList.get(i);<a name="line.455"></a>
-<span class="sourceLineNo">456</span>        if (!proc.hasParent()) {<a name="line.456"></a>
-<span class="sourceLineNo">457</span>          sendProcedureLoadedNotification(proc.getProcId());<a name="line.457"></a>
-<span class="sourceLineNo">458</span>        }<a name="line.458"></a>
-<span class="sourceLineNo">459</span>        if (proc.wasExecuted()) {<a name="line.459"></a>
-<span class="sourceLineNo">460</span>          runnables.addFront(proc);<a name="line.460"></a>
-<span class="sourceLineNo">461</span>        } else {<a name="line.461"></a>
-<span class="sourceLineNo">462</span>          // if it was not in execution, it can wait.<a name="line.462"></a>
-<span class="sourceLineNo">463</span>          runnables.addBack(proc);<a name="line.463"></a>
-<span class="sourceLineNo">464</span>        }<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>  }<a name="line.467"></a>
-<span class="sourceLineNo">468</span><a name="line.468"></a>
-<span class="sourceLineNo">469</span>  /**<a name="line.469"></a>
-<span class="sourceLineNo">470</span>   * Start the procedure executor.<a name="line.470"></a>
-<span class="sourceLineNo">471</span>   * It calls ProcedureStore.recoverLease() and ProcedureStore.load() to<a name="line.471"></a>
-<span class="sourceLineNo">472</span>   * recover the lease, and ensure a single executor, and start the procedure<a name="line.472"></a>
-<span class="sourceLineNo">473</span>   * replay to resume and recover the previous pending and in-progress perocedures.<a name="line.473"></a>
-<span class="sourceLineNo">474</span>   *<a name="line.474"></a>
-<span class="sourceLineNo">475</span>   * @param numThreads number of threads available for procedure execution.<a name="line.475"></a>
-<span class="sourceLineNo">476</span>   * @param abortOnCorruption true if you want to abort your service in case<a name="line.476"></a>
-<span class="sourceLineNo">477</span>   *          a corrupted procedure is found on replay. otherwise false.<a name="line.477"></a>
-<span class="sourceLineNo">478</span>   */<a name="line.478"></a>
-<span class="sourceLineNo">479</span>  public void start(int numThreads, boolean abortOnCorruption) throws IOException {<a name="line.479"></a>
-<span class="sourceLineNo">480</span>    if (running.getAndSet(true)) {<a name="line.480"></a>
-<span class="sourceLineNo">481</span>      LOG.warn("Already running");<a name="line.481"></a>
-<span class="sourceLineNo">482</span>      return;<a name="line.482"></a>
-<span class="sourceLineNo">483</span>    }<a name="line.483"></a>
-<span class="sourceLineNo">484</span><a name="line.484"></a>
-<span class="sourceLineNo">485</span>    // We have numThreads executor + one timer thread used for timing out<a name="line.485"></a>
-<span class="sourceLineNo">486</span>    // procedures and triggering periodic procedures.<a name="line.486"></a>
-<span class="sourceLineNo">487</span>    threads = new Thread[numThreads + 1];<a name="line.487"></a>
-<span class="sourceLineNo">488</span>    LOG.info("Starting procedure executor threads=" + threads.length);<a name="line.488"></a>
+<span class="sourceLineNo">410</span>          break;<a name="line.410"></a>
+<span class="sourceLineNo">411</span>        case WAITING_TIMEOUT:<a name="line.411"></a>
+<span class="sourceLineNo">412</span>          if (waitingSet == null) {<a name="line.412"></a>
+<span class="sourceLineNo">413</span>            waitingSet = new HashSet&lt;Procedure&gt;();<a name="line.413"></a>
+<span class="sourceLineNo">414</span>          }<a name="line.414"></a>
+<span class="sourceLineNo">415</span>          waitingSet.add(proc);<a name="line.415"></a>
+<span class="sourceLineNo">416</span>          break;<a name="line.416"></a>
+<span class="sourceLineNo">417</span>        case FINISHED:<a name="line.417"></a>
+<span class="sourceLineNo">418</span>          if (proc.hasException()) {<a name="line.418"></a>
+<span class="sourceLineNo">419</span>            // add the proc to the runnables to perform the rollback<a name="line.419"></a>
+<span class="sourceLineNo">420</span>            runnables.addBack(proc);<a name="line.420"></a>
+<span class="sourceLineNo">421</span>          }<a name="line.421"></a>
+<span class="sourceLineNo">422</span>          break;<a name="line.422"></a>
+<span class="sourceLineNo">423</span>        case ROLLEDBACK:<a name="line.423"></a>
+<span class="sourceLineNo">424</span>        case INITIALIZING:<a name="line.424"></a>
+<span class="sourceLineNo">425</span>          String msg = "Unexpected " + proc.getState() + " state for " + proc;<a name="line.425"></a>
+<span class="sourceLineNo">426</span>          LOG.error(msg);<a name="line.426"></a>
+<span class="sourceLineNo">427</span>          throw new UnsupportedOperationException(msg);<a name="line.427"></a>
+<span class="sourceLineNo">428</span>        default:<a name="line.428"></a>
+<span class="sourceLineNo">429</span>          break;<a name="line.429"></a>
+<span class="sourceLineNo">430</span>      }<a name="line.430"></a>
+<span class="sourceLineNo">431</span>    }<a name="line.431"></a>
+<span class="sourceLineNo">432</span><a name="line.432"></a>
+<span class="sourceLineNo">433</span>    // 3. Validate the stacks<a name="line.433"></a>
+<span class="sourceLineNo">434</span>    int corruptedCount = 0;<a name="line.434"></a>
+<span class="sourceLineNo">435</span>    Iterator&lt;Map.Entry&lt;Long, RootProcedureState&gt;&gt; itStack = rollbackStack.entrySet().iterator();<a name="line.435"></a>
+<span class="sourceLineNo">436</span>    while (itStack.hasNext()) {<a name="line.436"></a>
+<span class="sourceLineNo">437</span>      Map.Entry&lt;Long, RootProcedureState&gt; entry = itStack.next();<a name="line.437"></a>
+<span class="sourceLineNo">438</span>      RootProcedureState procStack = entry.getValue();<a name="line.438"></a>
+<span class="sourceLineNo">439</span>      if (procStack.isValid()) continue;<a name="line.439"></a>
+<span class="sourceLineNo">440</span><a name="line.440"></a>
+<span class="sourceLineNo">441</span>      for (Procedure proc: procStack.getSubproceduresStack()) {<a name="line.441"></a>
+<span class="sourceLineNo">442</span>        LOG.error("corrupted procedure: " + proc);<a name="line.442"></a>
+<span class="sourceLineNo">443</span>        procedures.remove(proc.getProcId());<a name="line.443"></a>
+<span class="sourceLineNo">444</span>        runnableList.remove(proc);<a name="line.444"></a>
+<span class="sourceLineNo">445</span>        if (waitingSet != null) waitingSet.remove(proc);<a name="line.445"></a>
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+<span class="sourceLineNo">658</span>    // This is to prevent the same proc to submit multiple times (it could happen<a name="line.658"></a>
+<span class="sourceLineNo">659</span>    // when client could not talk to server and resubmit the same request).<a name="line.659"></a>
+<span class="sourceLineNo">660</span>    if (nonce != HConstants.NO_NONCE) {<a name="line.660"></a>
+<span class="sourceLineNo">661</span>      NonceKey noncekey = new NonceKey(nonceGroup, nonce);<a name="line.661"></a>
+<span class="sourceLineNo">662</span>      proc.setNonceKey(noncekey);<a name="line.662"></a>
+<span class="sourceLineNo">663</span><a name="line.663"></a>
+<span class="sourceLineNo">664</span>      Long oldProcId = nonceKeysToProcIdsMap.putIfAbsent(noncekey, currentProcId);<a name="line.664"></a>
+<span class="sourceLineNo">665</span>      if (oldProcId != null) {<a name="line.665"></a>
+<span class="sourceLineNo">666</span>        // Found the proc<a name="line.666"></a>
+<span class="sourceLineNo">667</span>        return oldProcId.longValue();<a name="line.667"></a>
+<span class="sourceLineNo">668</span>      }<a name="line.668"></a>
+<span class="sourceLineNo">669</span>    }<a name="line.669"></a>
+<span class="sourceLineNo">670</span><a name="line.670"></a>
+<span class="sourceLineNo">671</span>    // Commit the transaction<a name="line.671"></a>
+<span class="sourceLineNo">672</span>    store.insert(proc, null);<a name="line.672"></a>
+<span class="sourceLineNo">673</span>    if (LOG.isDebugEnabled()) {<a name="line.673"></a>
+<span class="sourceLineNo">674</span>      LOG.debug("Procedure " + proc + " added to the store.");<a name="line.674"></a>
+<span class="sourceLineNo">675</span>    }<a name="line.675"></a>
+<span class="sourceLineNo">676</span><a name="line.676"></a>
+<span class="sourceLineNo">677</span>    // Create the rollback stack for the procedure<a name="line.677"></a>
+<span class="sourceLineNo">678</span>    RootProcedureState stack = new RootProcedureState();<a name="line.678"></a>
+<span class="sourceLineNo">679</span>    rollbackStack.put(currentProcId, stack);<a name="line.679"></a>
+<span class="sourceLineNo">680</span><a name="line.680"></a>
+<span class="sourceLineNo">681</span>    // Submit the new subprocedures<a name="line.681"></a>
+<span class="sourceLineNo">682</span>    assert !procedures.containsKey(currentProcId);<a name="line.682"></a>
+<span class="sourceLineNo">683</span>    procedures.put(currentProcId, proc);<a name="line.683"></a>
+<span class="sourceLineNo">684</span>    sendProcedureAddedNotification(currentProcId);<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    runnables.addBack(proc);<a name="line.685"></a>
+<span class="sourceLineNo">686</span>    return currentProcId;<a name="line.686"></a>
+<span class="sourceLineNo">687</span>  }<a name="line.687"></a>
+<span class="sourceLineNo">688</span><a name="line.688"></a>
+<span class="sourceLineNo">689</span>  public ProcedureInfo getResult(final long procId) {<a name="line.689"></a>
+<span class="sourceLineNo">690</span>    return completed.get(procId);<a name="line.690"></a>
+<span class="sourceLineNo">691</span>  }<a name="line.691"></a>
+<span class="sourceLineNo">692</span><a name="line.692"></a>
+<span class="sourceLineNo">693</span>  /**<a name="line.693"></a>
+<span class="sourceLineNo">694</span>   * Return true if the procedure is finished.<a name="line.694"></a>
+<span class="sourceLineNo">695</span>   * The state may be "completed successfully" or "failed and rolledback".<a name="line.695"></a>
+<span class="sourceLineNo">696</span>   * Use getResult() to check the state or get the result data.<a name="line.696"></a>
+<span class="sourceLineNo">697</span>   * @param procId the ID of the procedure to check<a name="line.697"></a>
+<span class="sourceLineNo">698</span>   * @return true if the procedure execution is finished, otherwise false.<a name="line.698"></a>
+<span class="sourceLineNo">699</span>   */<a name="line.699"></a>
+<span class="sourceLineNo">700</span>  public boolean isFinished(final long procId) {<a name="line.700"></a>
+<span class="sourceLineNo">701</span>    return !procedures.containsKey(procId);<a name="line.701"></a>
+<span class="sourceLineNo">702</span>  }<a name="line.702"></a>
+<span class="sourceLineNo">703</span><a name="line.703"></a>
+<span class="sourceLineNo">704</span>  /**<a name="line.704"></a>
+<span class="sourceLineNo">705</span>   * Return true if the procedure is started.<a name="line.705"></a>
+<span class="sourceLineNo">706</span>   * @param procId the ID of the procedure to check<a name="line.706"></a>
+<span class="sourceLineNo">707</span>   * @return true if the procedure execution is started, otherwise false.<a name="line.707"></a>
+<span class="sourceLineNo">708</span>   */<a name="line.708"></a>
+<span class="sourceLineNo">709</span>  public boolean isStarted(final long procId) {<a name="line.709"></a>
+<span class="sourceLineNo">710</span>    Procedure proc = procedures.get(procId);<a name="line.710"></a>
+<span class="sourceLineNo">711</span>    if (proc == null) {<a name="line.711"></a>
+<span class="sourceLineNo">712</span>      return completed.get(procId) != null;<a name="line.712"></a>
+<span class="sourceLineNo">713</span>    }<a name="line.713"></a>
+<span class="sourceLineNo">714</span>    return proc.wasExecuted();<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>   * Mark the specified completed procedure, as ready to remove.<a name="line.718"></a>
+<span class="sourceLineNo">719</span>   * @param procId the ID of the procedure to remove<a name="line.719"></a>
+<span class="sourceLineNo">720</span>   */<a name="line.720"></a>
+<span class="sourceLineNo">721</span>  public void removeResult(final long procId) {<a name="line.721"></a>
+<span class="sourceLineNo">722</span>    ProcedureInfo result = completed.get(procId);<a name="line.722"></a>
+<span class="sourceLineNo">723</span>    if (result == null) {<a name="line.723"></a>
+<span class="sourceLineNo">724</span>      assert !procedures.containsKey(procId) : "procId=" + procId + " is still running";<a name="line.724"></a>
+<span class="sourceLineNo">725</span>      if (LOG.isDebugEnabled()) {<a name="line.725"></a>
+<span class="sourceLineNo">726</span>        LOG.debug("Procedure procId=" + procId + " already removed by the cleaner.");<a name="line.726"></a>
+<span class="sourceLineNo">727</span>      }<a name="line.727"></a>
+<span class="sourceLineNo">728</span>      return;<a name="line.728"></a>
+<span class="sourceLineNo">729</span>    }<a name="line.729"></a>
+<span class="sourceLineNo">730</span><a name="line.730"></a>
+<span class="sourceLineNo">731</span>    // The CompletedProcedureCleaner will take care of deletion, once the TTL is expired.<a name="line.731"></a>
+<span class="sourceLineNo">732</span>    result.setClientAckTime(EnvironmentEdgeManager.currentTime());<a name="line.732"></a>
+<span class="sourceLineNo">733</span>  }<a name="line.733"></a>
+<span class="sourceLineNo">734</span><a name="line.734"></a>
+<span class="sourceLineNo">735</span>  /**<a name="line.735"></a>
+<span class="sourceLineNo">736</span>   * Send an abort notification the specified procedure.<a name="line.736"></a>
+<span class="sourceLineNo">737</span>   * Depending on the procedure implementation the abort can be considered or ignored.<a name="line.737"></a>
+<span class="sourceLineNo">738</span>   * @param procId the procedure to abort<a name="line.738"></a>
+<span class="sourceLineNo">739</span>   * @return true if the procedure exist and has received the abort, otherwise false.<a name="line.739"></a>
+<span class="sourceLineNo">740</span>   */<a name="line.740"></a>
+<span class="sourceLineNo">741</span>  public boolean abort(final long procId) {<a name="line.741"></a>
+<span class="sourceLineNo">742</span>    return abort(procId, true);<a name="line.742"></a>
+<span class="sourceLineNo">743</span>  }<a name="line.743"></a>
+<span class="sourceLineNo">744</span><a name="line.744"></a>
+<span class="sourceLineNo">745</span>  /**<a name="line.745"></a>
+<span class="sourceLineNo">746</span>   * Send an abort notification the specified procedure.<a name="line.746"></a>
+<span class="sourceLineNo">747</span>   * Depending on the procedure implementation the abort can be considered or ignored.<a name="line.747"></a>
+<span class="sourceLineNo">748</span>   * @param procId the procedure to abort<a name="line.748"></a>
+<span class="sourceLineNo">749</span>   * @param mayInterruptIfRunning if the proc completed at least one step, should it be aborted?<a name="line.749"></a>
+<span class="sourceLineNo">750</span>   * @return true if the procedure exist and has received the abort, otherwise false.<a name="line.750"></a>
+<span class="sourceLineNo">751</span>   */<a name="line.751"></a>
+<span class="sourceLineNo">752</span>  public boolean abort(final long procId, final boolean mayInterruptIfRunning) {<a name="line.752"></a>
+<span class="sourceLineNo">753</span>    Procedure proc = procedures.get(procId);<a name="line.753"></a>
+<span class="sourceLineNo">754</span>    if (proc != null) {<a name="line.754"></a>
+<span class="sourceLineNo">755</span>      if (!mayInterruptIfRunning &amp;&amp; proc.wasExecuted()) {<a name="line.755"></a>
+<span class="sourceLineNo">756</span>        return false;<a name="line.756"></a>
+<span class="sourceLineNo">757</span>      } else {<a name="line.757"></a>
+<span class="sourceLineNo">758</span>        return proc.abort(getEnvironment());<a name="line.758"></a>
+<span class="sourceLineNo">759</span>      }<a name="line.759"></a>
+<span class="sourceLineNo">760</span>    }<a name="line.760"></a>
+<span class="sourceLineNo">761</span>    return false;<a name="line.761"></a>
+<span class="sourceLineNo">762</span>  }<a name="line.762"></a>
+<span class="sourceLineNo">763</span><a name="line.763"></a>
+<span class="sourceLineNo">764</span>  /**<a name="line.764"></a>
+<span class="sourceLineNo">765</span>   * Check if the user is this procedure's owner<a name="line.765"></a>
+<span class="sourceLineNo">766</span>   * @param procId the target procedure<a name="line.766"></a>
+<span class="sourceLineNo">767</span>   * @param user the user<a name="line.767"></a>
+<span class="sourceLineNo">768</span>   * @return true if the user is the owner of the procedure,<a name="line.768"></a>
+<span class="sourceLineNo">769</span>   *   false otherwise or the owner is unknown.<a name="line.769"></a>
+<span class="sourceLineNo">770</span>   */<a name="line.770"></a>
+<span class="sourceLineNo">771</span>  public boolean isProcedureOwner(final long procId, final User user) {<a name="line.771"></a>
+<span class="sourceLineNo">772</span>    if (user == null) {<a name="line.772"></a>
+<span class="sourceLineNo">773</span>      return false;<a name="line.773"></a>
 <span class="sourceLineNo">774</span>    }<a name="line.774"></a>
-<span class="sourceLineNo">775</span>    ProcedureInfo procInfo = completed.get(procId);<a name="line.775"></a>
-<span class="sourceLineNo">776</span>    if (procInfo == null) {<a name="line.776"></a>
-<span class="sourceLineNo">777</span>      // Procedure either does not exist or has already completed and got cleaned up.<a name="line.777"></a>
-<span class="sourceLineNo">778</span>      // At this time, we cannot check the owner of the procedure<a name="line.778"></a>
-<span class="sourceLineNo">779</span>      return false;<a name="line.779"></a>
-<span class="sourceLineNo">780</span>    }<a name="line.780"></a>
-<span class="sourceLineNo">781</span>    return ProcedureInfo.isProcedureOwner(procInfo, user);<a name="line.781"></a>
-<span class="sourceLineNo">782</span>  }<a name="line.782"></a>
-<span class="sourceLineNo">783</span><a name="line.783"></a>
-<span class="sourceLineNo">784</span>  public Map&lt;Long, ProcedureInfo&gt; getResults() {<a name="line.784"></a>
-<span class="sourceLineNo">785</span>    return Collections.unmodifiableMap(completed);<a name="line.785"></a>
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-<span class="sourceLineNo">787</span><a name="line.787"></a>
-<span class="sourceLineNo">788</span>  public Procedure getProcedure(final long procId) {<a name="line.788"></a>
-<span class="sourceLineNo">789</span>    return procedures.get(procId);<a name="line.789"></a>
-<span class="sourceLineNo">790</span>  }<a name="line.790"></a>
-<span class="sourceLineNo">791</span><a name="line.791"></a>
-<span class="sourceLineNo">792</span>  protected ProcedureRunnableSet getRunnableSet() {<a name="line.792"></a>
-<span class="sourceLineNo">793</span>    return runnables;<a name="line.793"></a>
-<span class="sourceLineNo">794</span>  }<a name="line.794"></a>
-<span class="sourceLineNo">795</span><a name="line.795"></a>
-<span class="sourceLineNo">796</span>  /**<a name="line.796"></a>
-<span class="sourceLineNo">797</span>   * Execution loop (N threads)<a name="line.797"></a>
-<span class="sourceLineNo">798</span>   * while the executor is in a running state,<a name="line.798"></a>
-<span class="sourceLineNo">799</span>   * fetch a procedure from the runnables queue and start the execution.<a name="line.799"></a>
-<span class="sourceLineNo">800</span>   */<a name="line.800"></a>
-<span class="sourceLineNo">801</span>  private void execLoop() {<a name="line.801"></a>
-<span class="sourceLineNo">802</span>    while (isRunning()) {<a name="line.802"></a>
-<span class="sourceLineNo">803</span>      Procedure proc = runnables.poll();<a name="line.803"></a>
-<span class="sourceLineNo">804</span>      if (proc == null) continue;<a name="line.804"></a>
-<span class="sourceLineNo">805</span><a name="line.805"></a>
-<span class="sourceLineNo">806</span>      try {<a name="line.806"></a>
-<span class="sourceLineNo">807</span>        activeExecutorCount.incrementAndGet();<a name="line.807"></a>
-<span class="sourceLineNo">808</span>        execLoop(proc);<a name="line.808"></a>
-<span class="sourceLineNo">809</span>      } finally {<a name="line.809"></a>
-<span class="sourceLineNo">810</span>        activeExecutorCount.decrementAndGet();<a name="line.810"></a>
-<span class="sourceLineNo">811</span>      }<a name="line.811"></a>
-<span class="sourceLineNo">812</span>    }<a name="line.812"></a>
-<span class="sourceLineNo">813</span>  }<a name="line.813"></a>
-<span class="sourceLineNo">814</span><a name="line.814"></a>
-<span class="sourceLineNo">815</span>  private void execLoop(Procedure proc) {<a name="line.815"></a>
-<span class="sourceLineNo">816</span>    if (LOG.isTraceEnabled()) {<a name="line.816"></a>
-<span class="sourceLineNo">817</span>      LOG.trace("Trying to start the execution of " + proc);<a name="line.817"></a>
-<span class="sourceLineNo">818</span>    }<a name="line.818"></a>
+<span class="sourceLineNo">775</span><a name="line.775"></a>
+<span class="sourceLineNo">776</span>    Procedure proc = procedures.get(procId);<a name="line.776"></a>
+<span class="sourceLineNo">777</span>    if (proc != null) {<a name="line.777"></a>
+<span class="sourceLineNo">778</span>      return proc.getOwner().equals(user.getShortName());<a name="line.778"></a>
+<span class="sourceLineNo">779</span>    }<a name="line.779"></a>
+<span class="sourceLineNo">780</span>    ProcedureInfo procInfo = completed.get(procId);<a name="line.780"></a>
+<span class="sourceLineNo">781</span>    if (procInfo == null) {<a name="line.781"></a>
+<span class="sourceLineNo">782</span>      // Procedure either does not exist or has already completed and got cleaned up.<a name="line.782"></a>
+<span class="sourceLineNo">783</span>      // At this time, we cannot check the owner of the procedure<a name="line.783"></a>
+<span class="sourceLineNo">784</span>      return false;<a name="line.784"></a>
+<span class="sourceLineNo">785</span>    }<a name="line.785"></a>
+<span class="sourceLineNo">786</span>    return ProcedureInfo.isProcedureOwner(procInfo, user);<a name="line.786"></a>
+<span class="sourceLineNo">787</span>  }<a name="line.787"></a>
+<span class="sourceLineNo">788</span><a name="line.788"></a>
+<span class="sourceLineNo">789</span>  public Map&lt;Long, ProcedureInfo&gt; getResults() {<a name="line.789"></a>
+<span class="sourceLineNo">790</span>    return Collections.unmodifiableMap(completed);<a name="line.790"></a>
+<span class="sourceLineNo">791</span>  }<a name="line.791"></a>
+<span class="sourceLineNo">792</span><a name="line.792"></a>
+<span class="sourceLineNo">793</span>  public Procedure getProcedure(final long procId) {<a name="line.793"></a>
+<span class="sourceLineNo">794</span>    return procedures.get(procId);<a name="line.794"></a>
+<span class="sourceLineNo">795</span>  }<a name="line.795"></a>
+<span class="sourceLineNo">796</span><a name="line.796"></a>
+<span class="sourceLineNo">797</span>  protected ProcedureRunnableSet getRunnableSet() {<a name="line.797"></a>
+<span class="sourceLineNo">798</span>    return runnables;<a name="line.798"></a>
+<span class="sourceLineNo">799</span>  }<a name="line.799"></a>
+<span class="sourceLineNo">800</span><a name="line.800"></a>
+<span class="sourceLineNo">801</span>  /**<a name="line.801"></a>
+<span class="sourceLineNo">802</span>   * Execution loop (N threads)<a name="line.802"></a>
+<span class="sourceLineNo">803</span>   * while the executor is in a running state,<a name="line.803"></a>
+<span class="sourceLineNo">804</span>   * fetch a procedure from the runnables queue and start the execution.<a name="line.804"></a>
+<span class="sourceLineNo">805</span>   */<a name="line.805"></a>
+<span class="sourceLineNo">806</span>  private void execLoop() {<a name="line.806"></a>
+<span class="sourceLineNo">807</span>    while (isRunning()) {<a name="line.807"></a>
+<span class="sourceLineNo">808</span>      Procedure proc = runnables.poll();<a name="line.808"></a>
+<span class="sourceLineNo">809</span>      if (proc == null) continue;<a name="line.809"></a>
+<span class="sourceLineNo">810</span><a name="line.810"></a>
+<span class="sourceLineNo">811</span>      try {<a name="line.811"></a>
+<span class="sourceLineNo">812</span>        activeExecutorCount.incrementAndGet();<a name="line.812"></a>
+<span class="sourceLineNo">813</span>        execLoop(proc);<a name="line.813"></a>
+<span class="sourceLineNo">814</span>      } finally {<a name="line.814"></a>
+<span class="sourceLineNo">815</span>        activeExecutorCount.decrementAndGet();<a name="line.815"></a>
+<span class="sourceLineNo">816</span>      }<a name="line.816"></a>
+<span class="sourceLineNo">817</span>    }<a name="line.817"></a>
+<span class="sourceLineNo">818</span>  }<a name="line.818"></a>
 <span class="sourceLineNo">819</span><a name="line.819"></a>
-<span class="sourceLineNo">820</span>    Long rootProcId = getRootProcedureId(proc);<a name="line.820"></a>
-<span class="sourceLineNo">821</span>    if (rootProcId == null) {<a name="line.821"></a>
-<span class="sourceLineNo">822</span>      // The 'proc' was ready to run but the root procedure was rolledback<a name="line.822"></a>
-<span class="sourceLineNo">823</span>      executeRollback(proc);<a name="line.823"></a>
-<span class="sourceLineNo">824</span>      return;<a name="line.824"></a>
-<span class="sourceLineNo">825</span>    }<a name="line.825"></a>
-<span class="sourceLineNo">826</span><a name="line.826"></a>
-<span class="sourceLineNo">827</span>    RootProcedureState procStack = rollbackStack.get(rootProcId);<a name="line.827"></a>
-<span class="sourceLineNo">828</span>    if (procStack == null) return;<a name="line.828"></a>
-<span class="sourceLineNo">829</span><a name="line.829"></a>
-<span class="sourceLineNo">830</span>    do {<a name="line.830"></a>
-<span class="sourceLineNo">831</span>      // Try to acquire the execution<a name="line.831"></a>
-<span class="sourceLineNo">832</span>      if (!procStack.acquire(proc)) {<a name="line.832"></a>
-<span class="sourceLineNo">833</span>        if (procStack.setRollback()) {<a name="line.833"></a>
-<span class="sourceLineNo">834</span>          // we have the 'rollback-lock' we can start rollingback<a name="li

<TRUNCATED>

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