http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6b8b907f/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 688bd4e..37bf508 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
@@ -589,1651 +589,1649 @@
 <span class="sourceLineNo">581</span>      LOG.debug("Loading {}", proc);<a 
name="line.581"></a>
 <span class="sourceLineNo">582</span><a name="line.582"></a>
 <span class="sourceLineNo">583</span>      Long rootProcId = 
getRootProcedureId(proc);<a name="line.583"></a>
-<span class="sourceLineNo">584</span>      if (rootProcId == null) {<a 
name="line.584"></a>
-<span class="sourceLineNo">585</span>        // The 'proc' was ready to run 
but the root procedure was rolledback?<a name="line.585"></a>
-<span class="sourceLineNo">586</span>        scheduler.addBack(proc);<a 
name="line.586"></a>
-<span class="sourceLineNo">587</span>        continue;<a name="line.587"></a>
-<span class="sourceLineNo">588</span>      }<a name="line.588"></a>
-<span class="sourceLineNo">589</span><a name="line.589"></a>
-<span class="sourceLineNo">590</span>      if (proc.hasParent()) {<a 
name="line.590"></a>
-<span class="sourceLineNo">591</span>        Procedure&lt;TEnvironment&gt; 
parent = procedures.get(proc.getParentProcId());<a name="line.591"></a>
-<span class="sourceLineNo">592</span>        // corrupted procedures are 
handled later at step 3<a name="line.592"></a>
-<span class="sourceLineNo">593</span>        if (parent != null &amp;&amp; 
!proc.isFinished()) {<a name="line.593"></a>
-<span class="sourceLineNo">594</span>          parent.incChildrenLatch();<a 
name="line.594"></a>
-<span class="sourceLineNo">595</span>        }<a name="line.595"></a>
-<span class="sourceLineNo">596</span>      }<a name="line.596"></a>
-<span class="sourceLineNo">597</span><a name="line.597"></a>
-<span class="sourceLineNo">598</span>      
RootProcedureState&lt;TEnvironment&gt; procStack = 
rollbackStack.get(rootProcId);<a name="line.598"></a>
-<span class="sourceLineNo">599</span>      procStack.loadStack(proc);<a 
name="line.599"></a>
-<span class="sourceLineNo">600</span><a name="line.600"></a>
-<span class="sourceLineNo">601</span>      proc.setRootProcId(rootProcId);<a 
name="line.601"></a>
-<span class="sourceLineNo">602</span>      switch (proc.getState()) {<a 
name="line.602"></a>
-<span class="sourceLineNo">603</span>        case RUNNABLE:<a 
name="line.603"></a>
-<span class="sourceLineNo">604</span>          runnableList.add(proc);<a 
name="line.604"></a>
-<span class="sourceLineNo">605</span>          break;<a name="line.605"></a>
-<span class="sourceLineNo">606</span>        case WAITING:<a 
name="line.606"></a>
-<span class="sourceLineNo">607</span>          waitingList.add(proc);<a 
name="line.607"></a>
-<span class="sourceLineNo">608</span>          break;<a name="line.608"></a>
-<span class="sourceLineNo">609</span>        case WAITING_TIMEOUT:<a 
name="line.609"></a>
-<span class="sourceLineNo">610</span>          waitingTimeoutList.add(proc);<a 
name="line.610"></a>
-<span class="sourceLineNo">611</span>          break;<a name="line.611"></a>
-<span class="sourceLineNo">612</span>        case FAILED:<a 
name="line.612"></a>
-<span class="sourceLineNo">613</span>          failedList.add(proc);<a 
name="line.613"></a>
-<span class="sourceLineNo">614</span>          break;<a name="line.614"></a>
-<span class="sourceLineNo">615</span>        case ROLLEDBACK:<a 
name="line.615"></a>
-<span class="sourceLineNo">616</span>        case INITIALIZING:<a 
name="line.616"></a>
-<span class="sourceLineNo">617</span>          String msg = "Unexpected " + 
proc.getState() + " state for " + proc;<a name="line.617"></a>
-<span class="sourceLineNo">618</span>          LOG.error(msg);<a 
name="line.618"></a>
-<span class="sourceLineNo">619</span>          throw new 
UnsupportedOperationException(msg);<a name="line.619"></a>
-<span class="sourceLineNo">620</span>        default:<a name="line.620"></a>
-<span class="sourceLineNo">621</span>          break;<a name="line.621"></a>
-<span class="sourceLineNo">622</span>      }<a name="line.622"></a>
-<span class="sourceLineNo">623</span>    }<a name="line.623"></a>
-<span class="sourceLineNo">624</span><a name="line.624"></a>
-<span class="sourceLineNo">625</span>    // 4. Check the waiting procedures to 
see if some of them can be added to runnable.<a name="line.625"></a>
-<span class="sourceLineNo">626</span>    waitingList.forEach(proc -&gt; {<a 
name="line.626"></a>
-<span class="sourceLineNo">627</span>      if (!proc.hasChildren()) {<a 
name="line.627"></a>
-<span class="sourceLineNo">628</span>        // Normally, WAITING procedures 
should be waken by its children.<a name="line.628"></a>
-<span class="sourceLineNo">629</span>        // But, there is a case that, all 
the children are successful and before<a name="line.629"></a>
-<span class="sourceLineNo">630</span>        // they can wake up their parent 
procedure, the master was killed.<a name="line.630"></a>
-<span class="sourceLineNo">631</span>        // So, during recovering the 
procedures from ProcedureWal, its children<a name="line.631"></a>
-<span class="sourceLineNo">632</span>        // are not loaded because of 
their SUCCESS state.<a name="line.632"></a>
-<span class="sourceLineNo">633</span>        // So we need to continue to run 
this WAITING procedure. But before<a name="line.633"></a>
-<span class="sourceLineNo">634</span>        // executing, we need to set its 
state to RUNNABLE, otherwise, a exception<a name="line.634"></a>
-<span class="sourceLineNo">635</span>        // will throw:<a 
name="line.635"></a>
-<span class="sourceLineNo">636</span>        // 
Preconditions.checkArgument(procedure.getState() == ProcedureState.RUNNABLE,<a 
name="line.636"></a>
-<span class="sourceLineNo">637</span>        // "NOT RUNNABLE! " + 
procedure.toString());<a name="line.637"></a>
-<span class="sourceLineNo">638</span>        
proc.setState(ProcedureState.RUNNABLE);<a name="line.638"></a>
-<span class="sourceLineNo">639</span>        runnableList.add(proc);<a 
name="line.639"></a>
-<span class="sourceLineNo">640</span>      }<a name="line.640"></a>
-<span class="sourceLineNo">641</span>    });<a name="line.641"></a>
-<span class="sourceLineNo">642</span><a name="line.642"></a>
-<span class="sourceLineNo">643</span>    // 5. Push the procedures to the 
timeout executor<a name="line.643"></a>
-<span class="sourceLineNo">644</span>    waitingTimeoutList.forEach(proc -&gt; 
{<a name="line.644"></a>
-<span class="sourceLineNo">645</span>      
proc.afterReplay(getEnvironment());<a name="line.645"></a>
-<span class="sourceLineNo">646</span>      timeoutExecutor.add(proc);<a 
name="line.646"></a>
-<span class="sourceLineNo">647</span>    });<a name="line.647"></a>
-<span class="sourceLineNo">648</span>    // 6. restore locks<a 
name="line.648"></a>
-<span class="sourceLineNo">649</span>    restoreLocks();<a name="line.649"></a>
-<span class="sourceLineNo">650</span>    // 7. Push the procedure to the 
scheduler<a name="line.650"></a>
-<span class="sourceLineNo">651</span>    
failedList.forEach(scheduler::addBack);<a name="line.651"></a>
-<span class="sourceLineNo">652</span>    runnableList.forEach(p -&gt; {<a 
name="line.652"></a>
-<span class="sourceLineNo">653</span>      p.afterReplay(getEnvironment());<a 
name="line.653"></a>
-<span class="sourceLineNo">654</span>      if (!p.hasParent()) {<a 
name="line.654"></a>
-<span class="sourceLineNo">655</span>        
sendProcedureLoadedNotification(p.getProcId());<a name="line.655"></a>
-<span class="sourceLineNo">656</span>      }<a name="line.656"></a>
-<span class="sourceLineNo">657</span>      scheduler.addBack(p);<a 
name="line.657"></a>
-<span class="sourceLineNo">658</span>    });<a name="line.658"></a>
-<span class="sourceLineNo">659</span>  }<a name="line.659"></a>
-<span class="sourceLineNo">660</span><a name="line.660"></a>
-<span class="sourceLineNo">661</span>  /**<a name="line.661"></a>
-<span class="sourceLineNo">662</span>   * Initialize the procedure executor, 
but do not start workers. We will start them later.<a name="line.662"></a>
-<span class="sourceLineNo">663</span>   * &lt;p/&gt;<a name="line.663"></a>
-<span class="sourceLineNo">664</span>   * It calls 
ProcedureStore.recoverLease() and ProcedureStore.load() to recover the lease, 
and<a name="line.664"></a>
-<span class="sourceLineNo">665</span>   * ensure a single executor, and start 
the procedure replay to resume and recover the previous<a name="line.665"></a>
-<span class="sourceLineNo">666</span>   * pending and in-progress 
procedures.<a name="line.666"></a>
-<span class="sourceLineNo">667</span>   * @param numThreads number of threads 
available for procedure execution.<a name="line.667"></a>
-<span class="sourceLineNo">668</span>   * @param abortOnCorruption true if you 
want to abort your service in case a corrupted procedure<a name="line.668"></a>
-<span class="sourceLineNo">669</span>   *          is found on replay. 
otherwise false.<a name="line.669"></a>
-<span class="sourceLineNo">670</span>   */<a name="line.670"></a>
-<span class="sourceLineNo">671</span>  public void init(int numThreads, 
boolean abortOnCorruption) throws IOException {<a name="line.671"></a>
-<span class="sourceLineNo">672</span>    // We have numThreads executor + one 
timer thread used for timing out<a name="line.672"></a>
-<span class="sourceLineNo">673</span>    // procedures and triggering periodic 
procedures.<a name="line.673"></a>
-<span class="sourceLineNo">674</span>    this.corePoolSize = numThreads;<a 
name="line.674"></a>
-<span class="sourceLineNo">675</span>    this.maxPoolSize = 10 * numThreads;<a 
name="line.675"></a>
-<span class="sourceLineNo">676</span>    LOG.info("Starting {} core workers 
(bigger of cpus/4 or 16) with max (burst) worker count={}",<a 
name="line.676"></a>
-<span class="sourceLineNo">677</span>        corePoolSize, maxPoolSize);<a 
name="line.677"></a>
-<span class="sourceLineNo">678</span><a name="line.678"></a>
-<span class="sourceLineNo">679</span>    this.threadGroup = new 
ThreadGroup("PEWorkerGroup");<a name="line.679"></a>
-<span class="sourceLineNo">680</span>    this.timeoutExecutor = new 
TimeoutExecutorThread&lt;&gt;(this, threadGroup);<a name="line.680"></a>
-<span class="sourceLineNo">681</span><a name="line.681"></a>
-<span class="sourceLineNo">682</span>    // Create the workers<a 
name="line.682"></a>
-<span class="sourceLineNo">683</span>    workerId.set(0);<a 
name="line.683"></a>
-<span class="sourceLineNo">684</span>    workerThreads = new 
CopyOnWriteArrayList&lt;&gt;();<a name="line.684"></a>
-<span class="sourceLineNo">685</span>    for (int i = 0; i &lt; corePoolSize; 
++i) {<a name="line.685"></a>
-<span class="sourceLineNo">686</span>      workerThreads.add(new 
WorkerThread(threadGroup));<a name="line.686"></a>
-<span class="sourceLineNo">687</span>    }<a name="line.687"></a>
+<span class="sourceLineNo">584</span>      // The orphan procedures will be 
passed to handleCorrupted, so add an assert here<a name="line.584"></a>
+<span class="sourceLineNo">585</span>      assert rootProcId != null;<a 
name="line.585"></a>
+<span class="sourceLineNo">586</span><a name="line.586"></a>
+<span class="sourceLineNo">587</span>      if (proc.hasParent()) {<a 
name="line.587"></a>
+<span class="sourceLineNo">588</span>        Procedure&lt;TEnvironment&gt; 
parent = procedures.get(proc.getParentProcId());<a name="line.588"></a>
+<span class="sourceLineNo">589</span>        if (parent != null &amp;&amp; 
!proc.isFinished()) {<a name="line.589"></a>
+<span class="sourceLineNo">590</span>          parent.incChildrenLatch();<a 
name="line.590"></a>
+<span class="sourceLineNo">591</span>        }<a name="line.591"></a>
+<span class="sourceLineNo">592</span>      }<a name="line.592"></a>
+<span class="sourceLineNo">593</span><a name="line.593"></a>
+<span class="sourceLineNo">594</span>      
RootProcedureState&lt;TEnvironment&gt; procStack = 
rollbackStack.get(rootProcId);<a name="line.594"></a>
+<span class="sourceLineNo">595</span>      procStack.loadStack(proc);<a 
name="line.595"></a>
+<span class="sourceLineNo">596</span><a name="line.596"></a>
+<span class="sourceLineNo">597</span>      proc.setRootProcId(rootProcId);<a 
name="line.597"></a>
+<span class="sourceLineNo">598</span>      switch (proc.getState()) {<a 
name="line.598"></a>
+<span class="sourceLineNo">599</span>        case RUNNABLE:<a 
name="line.599"></a>
+<span class="sourceLineNo">600</span>          runnableList.add(proc);<a 
name="line.600"></a>
+<span class="sourceLineNo">601</span>          break;<a name="line.601"></a>
+<span class="sourceLineNo">602</span>        case WAITING:<a 
name="line.602"></a>
+<span class="sourceLineNo">603</span>          waitingList.add(proc);<a 
name="line.603"></a>
+<span class="sourceLineNo">604</span>          break;<a name="line.604"></a>
+<span class="sourceLineNo">605</span>        case WAITING_TIMEOUT:<a 
name="line.605"></a>
+<span class="sourceLineNo">606</span>          waitingTimeoutList.add(proc);<a 
name="line.606"></a>
+<span class="sourceLineNo">607</span>          break;<a name="line.607"></a>
+<span class="sourceLineNo">608</span>        case FAILED:<a 
name="line.608"></a>
+<span class="sourceLineNo">609</span>          failedList.add(proc);<a 
name="line.609"></a>
+<span class="sourceLineNo">610</span>          break;<a name="line.610"></a>
+<span class="sourceLineNo">611</span>        case ROLLEDBACK:<a 
name="line.611"></a>
+<span class="sourceLineNo">612</span>        case INITIALIZING:<a 
name="line.612"></a>
+<span class="sourceLineNo">613</span>          String msg = "Unexpected " + 
proc.getState() + " state for " + proc;<a name="line.613"></a>
+<span class="sourceLineNo">614</span>          LOG.error(msg);<a 
name="line.614"></a>
+<span class="sourceLineNo">615</span>          throw new 
UnsupportedOperationException(msg);<a name="line.615"></a>
+<span class="sourceLineNo">616</span>        default:<a name="line.616"></a>
+<span class="sourceLineNo">617</span>          break;<a name="line.617"></a>
+<span class="sourceLineNo">618</span>      }<a name="line.618"></a>
+<span class="sourceLineNo">619</span>    }<a name="line.619"></a>
+<span class="sourceLineNo">620</span><a name="line.620"></a>
+<span class="sourceLineNo">621</span>    // 3. Check the waiting procedures to 
see if some of them can be added to runnable.<a name="line.621"></a>
+<span class="sourceLineNo">622</span>    waitingList.forEach(proc -&gt; {<a 
name="line.622"></a>
+<span class="sourceLineNo">623</span>      if (!proc.hasChildren()) {<a 
name="line.623"></a>
+<span class="sourceLineNo">624</span>        // Normally, WAITING procedures 
should be waken by its children.<a name="line.624"></a>
+<span class="sourceLineNo">625</span>        // But, there is a case that, all 
the children are successful and before<a name="line.625"></a>
+<span class="sourceLineNo">626</span>        // they can wake up their parent 
procedure, the master was killed.<a name="line.626"></a>
+<span class="sourceLineNo">627</span>        // So, during recovering the 
procedures from ProcedureWal, its children<a name="line.627"></a>
+<span class="sourceLineNo">628</span>        // are not loaded because of 
their SUCCESS state.<a name="line.628"></a>
+<span class="sourceLineNo">629</span>        // So we need to continue to run 
this WAITING procedure. But before<a name="line.629"></a>
+<span class="sourceLineNo">630</span>        // executing, we need to set its 
state to RUNNABLE, otherwise, a exception<a name="line.630"></a>
+<span class="sourceLineNo">631</span>        // will throw:<a 
name="line.631"></a>
+<span class="sourceLineNo">632</span>        // 
Preconditions.checkArgument(procedure.getState() == ProcedureState.RUNNABLE,<a 
name="line.632"></a>
+<span class="sourceLineNo">633</span>        // "NOT RUNNABLE! " + 
procedure.toString());<a name="line.633"></a>
+<span class="sourceLineNo">634</span>        
proc.setState(ProcedureState.RUNNABLE);<a name="line.634"></a>
+<span class="sourceLineNo">635</span>        runnableList.add(proc);<a 
name="line.635"></a>
+<span class="sourceLineNo">636</span>      } else {<a name="line.636"></a>
+<span class="sourceLineNo">637</span>        
proc.afterReplay(getEnvironment());<a name="line.637"></a>
+<span class="sourceLineNo">638</span>      }<a name="line.638"></a>
+<span class="sourceLineNo">639</span>    });<a name="line.639"></a>
+<span class="sourceLineNo">640</span><a name="line.640"></a>
+<span class="sourceLineNo">641</span>    // 4. Push the procedures to the 
timeout executor<a name="line.641"></a>
+<span class="sourceLineNo">642</span>    waitingTimeoutList.forEach(proc -&gt; 
{<a name="line.642"></a>
+<span class="sourceLineNo">643</span>      
proc.afterReplay(getEnvironment());<a name="line.643"></a>
+<span class="sourceLineNo">644</span>      timeoutExecutor.add(proc);<a 
name="line.644"></a>
+<span class="sourceLineNo">645</span>    });<a name="line.645"></a>
+<span class="sourceLineNo">646</span>    // 5. restore locks<a 
name="line.646"></a>
+<span class="sourceLineNo">647</span>    restoreLocks();<a name="line.647"></a>
+<span class="sourceLineNo">648</span>    // 6. Push the procedure to the 
scheduler<a name="line.648"></a>
+<span class="sourceLineNo">649</span>    
failedList.forEach(scheduler::addBack);<a name="line.649"></a>
+<span class="sourceLineNo">650</span>    runnableList.forEach(p -&gt; {<a 
name="line.650"></a>
+<span class="sourceLineNo">651</span>      p.afterReplay(getEnvironment());<a 
name="line.651"></a>
+<span class="sourceLineNo">652</span>      if (!p.hasParent()) {<a 
name="line.652"></a>
+<span class="sourceLineNo">653</span>        
sendProcedureLoadedNotification(p.getProcId());<a name="line.653"></a>
+<span class="sourceLineNo">654</span>      }<a name="line.654"></a>
+<span class="sourceLineNo">655</span>      scheduler.addBack(p);<a 
name="line.655"></a>
+<span class="sourceLineNo">656</span>    });<a name="line.656"></a>
+<span class="sourceLineNo">657</span>  }<a name="line.657"></a>
+<span class="sourceLineNo">658</span><a name="line.658"></a>
+<span class="sourceLineNo">659</span>  /**<a name="line.659"></a>
+<span class="sourceLineNo">660</span>   * Initialize the procedure executor, 
but do not start workers. We will start them later.<a name="line.660"></a>
+<span class="sourceLineNo">661</span>   * &lt;p/&gt;<a name="line.661"></a>
+<span class="sourceLineNo">662</span>   * It calls 
ProcedureStore.recoverLease() and ProcedureStore.load() to recover the lease, 
and<a name="line.662"></a>
+<span class="sourceLineNo">663</span>   * ensure a single executor, and start 
the procedure replay to resume and recover the previous<a name="line.663"></a>
+<span class="sourceLineNo">664</span>   * pending and in-progress 
procedures.<a name="line.664"></a>
+<span class="sourceLineNo">665</span>   * @param numThreads number of threads 
available for procedure execution.<a name="line.665"></a>
+<span class="sourceLineNo">666</span>   * @param abortOnCorruption true if you 
want to abort your service in case a corrupted procedure<a name="line.666"></a>
+<span class="sourceLineNo">667</span>   *          is found on replay. 
otherwise false.<a name="line.667"></a>
+<span class="sourceLineNo">668</span>   */<a name="line.668"></a>
+<span class="sourceLineNo">669</span>  public void init(int numThreads, 
boolean abortOnCorruption) throws IOException {<a name="line.669"></a>
+<span class="sourceLineNo">670</span>    // We have numThreads executor + one 
timer thread used for timing out<a name="line.670"></a>
+<span class="sourceLineNo">671</span>    // procedures and triggering periodic 
procedures.<a name="line.671"></a>
+<span class="sourceLineNo">672</span>    this.corePoolSize = numThreads;<a 
name="line.672"></a>
+<span class="sourceLineNo">673</span>    this.maxPoolSize = 10 * numThreads;<a 
name="line.673"></a>
+<span class="sourceLineNo">674</span>    LOG.info("Starting {} core workers 
(bigger of cpus/4 or 16) with max (burst) worker count={}",<a 
name="line.674"></a>
+<span class="sourceLineNo">675</span>        corePoolSize, maxPoolSize);<a 
name="line.675"></a>
+<span class="sourceLineNo">676</span><a name="line.676"></a>
+<span class="sourceLineNo">677</span>    this.threadGroup = new 
ThreadGroup("PEWorkerGroup");<a name="line.677"></a>
+<span class="sourceLineNo">678</span>    this.timeoutExecutor = new 
TimeoutExecutorThread&lt;&gt;(this, threadGroup);<a name="line.678"></a>
+<span class="sourceLineNo">679</span><a name="line.679"></a>
+<span class="sourceLineNo">680</span>    // Create the workers<a 
name="line.680"></a>
+<span class="sourceLineNo">681</span>    workerId.set(0);<a 
name="line.681"></a>
+<span class="sourceLineNo">682</span>    workerThreads = new 
CopyOnWriteArrayList&lt;&gt;();<a name="line.682"></a>
+<span class="sourceLineNo">683</span>    for (int i = 0; i &lt; corePoolSize; 
++i) {<a name="line.683"></a>
+<span class="sourceLineNo">684</span>      workerThreads.add(new 
WorkerThread(threadGroup));<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    }<a name="line.685"></a>
+<span class="sourceLineNo">686</span><a name="line.686"></a>
+<span class="sourceLineNo">687</span>    long st, et;<a name="line.687"></a>
 <span class="sourceLineNo">688</span><a name="line.688"></a>
-<span class="sourceLineNo">689</span>    long st, et;<a name="line.689"></a>
-<span class="sourceLineNo">690</span><a name="line.690"></a>
-<span class="sourceLineNo">691</span>    // Acquire the store lease.<a 
name="line.691"></a>
-<span class="sourceLineNo">692</span>    st = System.nanoTime();<a 
name="line.692"></a>
-<span class="sourceLineNo">693</span>    store.recoverLease();<a 
name="line.693"></a>
-<span class="sourceLineNo">694</span>    et = System.nanoTime();<a 
name="line.694"></a>
-<span class="sourceLineNo">695</span>    LOG.info("Recovered {} lease in {}", 
store.getClass().getSimpleName(),<a name="line.695"></a>
-<span class="sourceLineNo">696</span>      
StringUtils.humanTimeDiff(TimeUnit.NANOSECONDS.toMillis(et - st)));<a 
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{<a name="line.806"></a>
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name="line.814"></a>
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keepAliveTime, final TimeUnit timeUnit) {<a name="line.818"></a>
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timeUnit.toMillis(keepAliveTime);<a name="line.819"></a>
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name="line.820"></a>
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TimeUnit timeUnit) {<a name="line.823"></a>
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timeUnit.convert(keepAliveTime, TimeUnit.MILLISECONDS);<a name="line.824"></a>
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==========================================================================<a 
name="line.827"></a>
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name="line.828"></a>
 <span class="sourceLineNo">829</span>  // 
==========================================================================<a 
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chore.setState(ProcedureState.WAITING_TIMEOUT);<a name="line.838"></a>
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executor<a name="line.832"></a>
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name="line.833"></a>
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addChore(ProcedureInMemoryChore&lt;TEnvironment&gt; chore) {<a 
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chore.setState(ProcedureState.WAITING_TIMEOUT);<a name="line.836"></a>
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name="line.837"></a>
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+<span class="sourceLineNo">839</span><a name="line.839"></a>
+<span class="sourceLineNo">840</span>  /**<a name="line.840"></a>
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executor<a name="line.841"></a>
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removed, or it will be removed later<a name="line.843"></a>
+<span class="sourceLineNo">844</span>   */<a name="line.844"></a>
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removeChore(ProcedureInMemoryChore&lt;TEnvironment&gt; chore) {<a 
name="line.845"></a>
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chore.setState(ProcedureState.SUCCESS);<a name="line.846"></a>
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timeoutExecutor.remove(chore);<a name="line.847"></a>
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==========================================================================<a 
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 <span class="sourceLineNo">852</span>  // 
==========================================================================<a 
name="line.852"></a>
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nextProcId();<a name="line.884"></a>
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!(procedures.containsKey(oldProcId) || completed.containsKey(oldProcId)) 
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nonceKeysToProcIdsMap.containsKey(nonceKey)) {<a name="line.894"></a>
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nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.915"></a>
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setState(ProcedureState.ROLLEDBACK);<a name="line.929"></a>
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-<span class="sourceLineNo">934</span>      setLastUpdate(currentTime);<a 
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setFailure(Objects.toString(exception.getMessage(), ""), exception);<a 
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-<span class="sourceLineNo">970</span>  }<a name="line.970"></a>
-<span class="sourceLineNo">971</span><a name="line.971"></a>
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-<span class="sourceLineNo">975</span>   *<a name="line.975"></a>
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procedure, used to inform the user<a name="line.977"></a>
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setFailureResultForNonce(NonceKey nonceKey, String procName, User procOwner,<a 
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completed.containsKey(procId)) {<a name="line.988"></a>
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-<span class="sourceLineNo">997</span><a name="line.997"></a>
+<span class="sourceLineNo">853</span>  /**<a name="line.853"></a>
+<span class="sourceLineNo">854</span>   * Create a NoneKey from the specified 
nonceGroup and nonce.<a name="line.854"></a>
+<span class="sourceLineNo">855</span>   * @param nonceGroup<a 
name="line.855"></a>
+<span class="sourceLineNo">856</span>   * @param nonce<a name="line.856"></a>
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name="line.857"></a>
+<span class="sourceLineNo">858</span>   */<a name="line.858"></a>
+<span class="sourceLineNo">859</span>  public NonceKey createNonceKey(final 
long nonceGroup, final long nonce) {<a name="line.859"></a>
+<span class="sourceLineNo">860</span>    return (nonce == HConstants.NO_NONCE) 
? null : new NonceKey(nonceGroup, nonce);<a name="line.860"></a>
+<span class="sourceLineNo">861</span>  }<a name="line.861"></a>
+<span class="sourceLineNo">862</span><a name="line.862"></a>
+<span class="sourceLineNo">863</span>  /**<a name="line.863"></a>
+<span class="sourceLineNo">864</span>   * Register a nonce for a procedure 
that is going to be submitted.<a name="line.864"></a>
+<span class="sourceLineNo">865</span>   * A procId will be reserved and on 
submitProcedure(),<a name="line.865"></a>
+<span class="sourceLineNo">866</span>   * the procedure with the specified 
nonce will take the reserved ProcId.<a name="line.866"></a>
+<span class="sourceLineNo">867</span>   * If someone already reserved the 
nonce, this method will return the procId reserved,<a name="line.867"></a>
+<span class="sourceLineNo">868</span>   * otherwise an invalid procId will be 
returned. and the caller should procede<a name="line.868"></a>
+<span class="sourceLineNo">869</span>   * and submit the procedure.<a 
name="line.869"></a>
+<span class="sourceLineNo">870</span>   *<a name="line.870"></a>
+<span class="sourceLineNo">871</span>   * @param nonceKey A unique identifier 
for this operation from the client or process.<a name="line.871"></a>
+<span class="sourceLineNo">872</span>   * @return the procId associated with 
the nonce, if any otherwise an invalid procId.<a name="line.872"></a>
+<span class="sourceLineNo">873</span>   */<a name="line.873"></a>
+<span class="sourceLineNo">874</span>  public long registerNonce(final 
NonceKey nonceKey) {<a name="line.874"></a>
+<span class="sourceLineNo">875</span>    if (nonceKey == null) return -1;<a 
name="line.875"></a>
+<span class="sourceLineNo">876</span><a name="line.876"></a>
+<span class="sourceLineNo">877</span>    // check if we have already a 
Reserved ID for the nonce<a name="line.877"></a>
+<span class="sourceLineNo">878</span>    Long oldProcId = 
nonceKeysToProcIdsMap.get(nonceKey);<a name="line.878"></a>
+<span class="sourceLineNo">879</span>    if (oldProcId == null) {<a 
name="line.879"></a>
+<span class="sourceLineNo">880</span>      // reserve a new Procedure ID, this 
will be associated with the nonce<a name="line.880"></a>
+<span class="sourceLineNo">881</span>      // and the procedure submitted with 
the specified nonce will use this ID.<a name="line.881"></a>
+<span class="sourceLineNo">882</span>      final long newProcId = 
nextProcId();<a name="line.882"></a>
+<span class="sourceLineNo">883</span>      oldProcId = 
nonceKeysToProcIdsMap.putIfAbsent(nonceKey, newProcId);<a name="line.883"></a>
+<span class="sourceLineNo">884</span>      if (oldProcId == null) return -1;<a 
name="line.884"></a>
+<span class="sourceLineNo">885</span>    }<a name="line.885"></a>
+<span class="sourceLineNo">886</span><a name="line.886"></a>
+<span class="sourceLineNo">887</span>    // we found a registered nonce, but 
the procedure may not have been submitted yet.<a name="line.887"></a>
+<span class="sourceLineNo">888</span>    // since the client expect the 
procedure to be submitted, spin here until it is.<a name="line.888"></a>
+<span class="sourceLineNo">889</span>    final boolean traceEnabled = 
LOG.isTraceEnabled();<a name="line.889"></a>
+<span class="sourceLineNo">890</span>    while (isRunning() &amp;&amp;<a 
name="line.890"></a>
+<span class="sourceLineNo">891</span>           
!(procedures.containsKey(oldProcId) || completed.containsKey(oldProcId)) 
&amp;&amp;<a name="line.891"></a>
+<span class="sourceLineNo">892</span>           
nonceKeysToProcIdsMap.containsKey(nonceKey)) {<a name="line.892"></a>
+<span class="sourceLineNo">893</span>      if (traceEnabled) {<a 
name="line.893"></a>
+<span class="sourceLineNo">894</span>        LOG.trace("Waiting for pid=" + 
oldProcId.longValue() + " to be submitted");<a name="line.894"></a>
+<span class="sourceLineNo">895</span>      }<a name="line.895"></a>
+<span class="sourceLineNo">896</span>      Threads.sleep(100);<a 
name="line.896"></a>
+<span class="sourceLineNo">897</span>    }<a name="line.897"></a>
+<span class="sourceLineNo">898</span>    return oldProcId.longValue();<a 
name="line.898"></a>
+<span class="sourceLineNo">899</span>  }<a name="line.899"></a>
+<span class="sourceLineNo">900</span><a name="line.900"></a>
+<span class="sourceLineNo">901</span>  /**<a name="line.901"></a>
+<span class="sourceLineNo">902</span>   * Remove the NonceKey if the procedure 
was not submitted to the executor.<a name="line.902"></a>
+<span class="sourceLineNo">903</span>   * @param nonceKey A unique identifier 
for this operation from the client or process.<a name="line.903"></a>
+<span class="sourceLineNo">904</span>   */<a name="line.904"></a>
+<span class="sourceLineNo">905</span>  public void 
unregisterNonceIfProcedureWasNotSubmitted(final NonceKey nonceKey) {<a 
name="line.905"></a>
+<span class="sourceLineNo">906</span>    if (nonceKey == null) return;<a 
name="line.906"></a>
+<span class="sourceLineNo">907</span><a name="line.907"></a>
+<span class="sourceLineNo">908</span>    final Long procId = 
nonceKeysToProcIdsMap.get(nonceKey);<a name="line.908"></a>
+<span class="sourceLineNo">909</span>    if (procId == null) return;<a 
name="line.909"></a>
+<span class="sourceLineNo">910</span><a name="line.910"></a>
+<span class="sourceLineNo">911</span>    // if the procedure was not 
submitted, remove the nonce<a name="line.911"></a>
+<span class="sourceLineNo">912</span>    if (!(procedures.containsKey(procId) 
|| completed.containsKey(procId))) {<a name="line.912"></a>
+<span class="sourceLineNo">913</span>      
nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.913"></a>
+<span class="sourceLineNo">914</span>    }<a name="line.914"></a>
+<span class="sourceLineNo">915</span>  }<a name="line.915"></a>
+<span class="sourceLineNo">916</span><a name="line.916"></a>
+<span class="sourceLineNo">917</span>  public static class 
FailedProcedure&lt;TEnvironment&gt; extends Procedure&lt;TEnvironment&gt; {<a 
name="line.917"></a>
+<span class="sourceLineNo">918</span>    private String procName;<a 
name="line.918"></a>
+<span class="sourceLineNo">919</span><a name="line.919"></a>
+<span class="sourceLineNo">920</span>    public FailedProcedure() {<a 
name="line.920"></a>
+<span class="sourceLineNo">921</span>    }<a name="line.921"></a>
+<span class="sourceLineNo">922</span><a name="line.922"></a>
+<span class="sourceLineNo">923</span>    public FailedProcedure(long procId, 
String procName, User owner,<a name="line.923"></a>
+<span class="sourceLineNo">924</span>        NonceKey nonceKey, IOException 
exception) {<a name="line.924"></a>
+<span class="sourceLineNo">925</span>      this.procName = procName;<a 
name="line.925"></a>
+<span class="sourceLineNo">926</span>      setProcId(procId);<a 
name="line.926"></a>
+<span class="sourceLineNo">927</span>      
setState(ProcedureState.ROLLEDBACK);<a name="line.927"></a>
+<span class="sourceLineNo">928</span>      setOwner(owner);<a 
name="line.928"></a>
+<span class="sourceLineNo">929</span>      setNonceKey(nonceKey);<a 
name="line.929"></a>
+<span class="sourceLineNo">930</span>      long currentTime = 
EnvironmentEdgeManager.currentTime();<a name="line.930"></a>
+<span class="sourceLineNo">931</span>      setSubmittedTime(currentTime);<a 
name="line.931"></a>
+<span class="sourceLineNo">932</span>      setLastUpdate(currentTime);<a 
name="line.932"></a>
+<span class="sourceLineNo">933</span>      
setFailure(Objects.toString(exception.getMessage(), ""), exception);<a 
name="line.933"></a>
+<span class="sourceLineNo">934</span>    }<a name="line.934"></a>
+<span class="sourceLineNo">935</span><a name="line.935"></a>
+<span class="sourceLineNo">936</span>    @Override<a name="line.936"></a>
+<span class="sourceLineNo">937</span>    public String getProcName() {<a 
name="line.937"></a>
+<span class="sourceLineNo">938</span>      return procName;<a 
name="line.938"></a>
+<span class="sourceLineNo">939</span>    }<a name="line.939"></a>
+<span class="sourceLineNo">940</span><a name="line.940"></a>
+<span class="sourceLineNo">941</span>    @Override<a name="line.941"></a>
+<span class="sourceLineNo">942</span>    protected 
Procedure&lt;TEnvironment&gt;[] execute(TEnvironment env)<a name="line.942"></a>
+<span class="sourceLineNo">943</span>        throws ProcedureYieldException, 
ProcedureSuspendedException,<a name="line.943"></a>
+<span class="sourceLineNo">944</span>        InterruptedException {<a 
name="line.944"></a>
+<span class="sourceLineNo">945</span>      throw new 
UnsupportedOperationException();<a name="line.945"></a>
+<span class="sourceLineNo">946</span>    }<a name="line.946"></a>
+<span class="sourceLineNo">947</span><a name="line.947"></a>
+<span class="sourceLineNo">948</span>    @Override<a name="line.948"></a>
+<span class="sourceLineNo">949</span>    protected void rollback(TEnvironment 
env)<a name="line.949"></a>
+<span class="sourceLineNo">950</span>        throws IOException, 
InterruptedException {<a name="line.950"></a>
+<span class="sourceLineNo">951</span>      throw new 
UnsupportedOperationException();<a name="line.951"></a>
+<span class="sourceLineNo">952</span>    }<a name="line.952"></a>
+<span class="sourceLineNo">953</span><a name="line.953"></a>
+<span class="sourceLineNo">954</span>    @Override<a name="line.954"></a>
+<span class="sourceLineNo">955</span>    protected boolean abort(TEnvironment 
env) {<a name="line.955"></a>
+<span class="sourceLineNo">956</span>      throw new 
UnsupportedOperationException();<a name="line.956"></a>
+<span class="sourceLineNo">957</span>    }<a name="line.957"></a>
+<span class="sourceLineNo">958</span><a name="line.958"></a>
+<span class="sourceLineNo">959</span>    @Override<a name="line.959"></a>
+<span class="sourceLineNo">960</span>    protected void 
serializeStateData(ProcedureStateSerializer serializer)<a name="line.960"></a>
+<span class="sourceLineNo">961</span>        throws IOException {<a 
name="line.961"></a>
+<span class="sourceLineNo">962</span>    }<a name="line.962"></a>
+<span class="sourceLineNo">963</span><a name="line.963"></a>
+<span class="sourceLineNo">964</span>    @Override<a name="line.964"></a>
+<span class="sourceLineNo">965</span>    protected void 
deserializeStateData(ProcedureStateSerializer serializer)<a name="line.965"></a>
+<span class="sourceLineNo">966</span>        throws IOException {<a 
name="line.966"></a>
+<span class="sourceLineNo">967</span>    }<a name="line.967"></a>
+<span class="sourceLineNo">968</span>  }<a name="line.968"></a>
+<span class="sourceLineNo">969</span><a name="line.969"></a>
+<span class="sourceLineNo">970</span>  /**<a name="line.970"></a>
+<span class="sourceLineNo">971</span>   * If the failure failed before 
submitting it, we may want to give back the<a name="line.971"></a>
+<span class="sourceLineNo">972</span>   * same error to the requests with the 
same nonceKey.<a name="line.972"></a>
+<span class="sourceLineNo">973</span>   *<a name="line.973"></a>
+<span class="sourceLineNo">974</span>   * @param nonceKey A unique identifier 
for this operation from the client or process<a name="line.974"></a>
+<span class="sourceLineNo">975</span>   * @param procName name of the 
procedure, used to inform the user<a name="line.975"></a>
+<span class="sourceLineNo">976</span>   * @param procOwner name of the owner 
of the procedure, used to inform the user<a name="line.976"></a>
+<span class="sourceLineNo">977</span>   * @param exception the failure to 
report to the user<a name="line.977"></a>
+<span class="sourceLineNo">978</span>   */<a name="line.978"></a>
+<span class="sourceLineNo">979</span>  public void 
setFailureResultForNonce(NonceKey nonceKey, String procName, User procOwner,<a 
name="line.979"></a>
+<span class="sourceLineNo">980</span>      IOException exception) {<a 
name="line.980"></a>
+<span class="sourceLineNo">981</span>    if (nonceKey == null) {<a 
name="line.981"></a>
+<span class="sourceLineNo">982</span>      return;<a name="line.982"></a>
+<span class="sourceLineNo">983</span>    }<a name="line.983"></a>
+<span class="sourceLineNo">984</span><a name="line.984"></a>
+<span class="sourceLineNo">985</span>    Long procId = 
nonceKeysToProcIdsMap.get(nonceKey);<a name="line.985"></a>
+<span class="sourceLineNo">986</span>    if (procId == null || 
completed.containsKey(procId)) {<a name="line.986"></a>
+<span class="sourceLineNo">987</span>      return;<a name="line.987"></a>
+<span class="sourceLineNo">988</span>    }<a name="line.988"></a>
+<span class="sourceLineNo">989</span><a name="line.989"></a>
+<span class="sourceLineNo">990</span>    Procedure&lt;TEnvironment&gt; proc 
=<a name="line.990"></a>
+<span class="sourceLineNo">991</span>      new 
FailedProcedure&lt;&gt;(procId.longValue(), procName, procOwner, nonceKey, 
exception);<a name="line.991"></a>
+<span class="sourceLineNo">992</span><a name="line.992"></a>
+<span class="sourceLineNo">993</span>    completed.putIfAbsent(procId, new 
CompletedProcedureRetainer&lt;&gt;(proc));<a name="line.993"></a>
+<span class="sourceLineNo">994</span>  }<a name="line.994"></a>
+<span class="sourceLineNo">995</span><a name="line.995"></a>
+<span class="sourceLineNo">996</span>  // 
==========================================================================<a 
name="line.996"></a>
+<span class="sourceLineNo">997</span>  //  Submit/Abort Procedure<a 
name="line.997"></a>
 <span class="sourceLineNo">998</span>  // 
==========================================================================<a 
name="line.998"></a>
-<span class="sourceLineNo">999</span>  //  Submit/Abort Procedure<a 
name="line.999"></a>
-<span class="sourceLineNo">1000</span>  // 
==========================================================================<a 
name="line.1000"></a>
-<span class="sourceLineNo">1001</span>  /**<a name="line.1001"></a>
-<span class="sourceLineNo">1002</span>   * Add a new root-procedure to the 
executor.<a name="line.1002"></a>
-<span class="sourceLineNo">1003</span>   * @param proc the new procedure to 
execute.<a name="line.1003"></a>
-<span class="sourceLineNo">1004</span>   * @return the procedure id, that can 
be used to monitor the operation<a name="line.1004"></a>
-<span class="sourceLineNo">1005</span>   */<a name="line.1005"></a>
-<span class="sourceLineNo">1006</span>  public long 
submitProcedure(Procedure&lt;TEnvironment&gt; proc) {<a name="line.1006"></a>
-<span class="sourceLineNo">1007</span>    return submitProcedure(proc, 
null);<a name="line.1007"></a>
-<span class="sourceLineNo">1008</span>  }<a name="line.1008"></a>
-<span class="sourceLineNo">1009</span><a name="line.1009"></a>
-<span class="sourceLineNo">1010</span>  /**<a name="line.1010"></a>
-<span class="sourceLineNo">1011</span>   * Bypass a procedure. If the 
procedure is set to bypass, all the logic in<a name="line.1011"></a>
-<span class="sourceLineNo">1012</span>   * execute/rollback will be ignored 
and it will return success, whatever.<a name="line.1012"></a>
-<span class="sourceLineNo">1013</span>   * It is used to recover buggy stuck 
procedures, releasing the lock resources<a name="line.1013"></a>
-<span class="sourceLineNo">1014</span>   * and letting other procedures run. 
Bypassing one procedure (and its ancestors will<a name="line.1014"></a>
-<span class="sourceLineNo">1015</span>   * be bypassed automatically) may 
leave the cluster in a middle state, e.g. region<a name="line.1015"></a>
-<span class="sourceLineNo">1016</span>   * not assigned, or some hdfs files 
left behind. After getting rid of those stuck procedures,<a 
name="line.1016"></a>
-<span class="sourceLineNo">1017</span>   * the operators may have to do some 
clean up on hdfs or schedule some assign procedures<a name="line.1017"></a>
-<span class="sourceLineNo">1018</span>   * to let region online. DO AT YOUR 
OWN RISK.<a name="line.1018"></a>
-<span class="sourceLineNo">1019</span>   * &lt;p&gt;<a name="line.1019"></a>
-<span class="sourceLineNo">1020</span>   * A procedure can be bypassed only 
if<a name="line.1020"></a>
-<span class="sourceLineNo">1021</span>   * 1. The procedure is in state of 
RUNNABLE, WAITING, WAITING_TIMEOUT<a name="line.1021"></a>
-<span class="sourceLineNo">1022</span>   * or it is a root procedure without 
any child.<a name="line.1022"></a>
-<span class="sourceLineNo">1023</span>   * 2. No other worker thread is 
executing it<a name="line.1023"></a>
-<span class="sourceLineNo">1024</span>   * 3. No child procedure has been 
submitted<a name="line.1024"></a>
-<span class="sourceLineNo">1025</span>   *<a name="line.1025"></a>
-<span class="sourceLineNo">1026</span>   * &lt;p&gt;<a name="line.1026"></a>
-<span class="sourceLineNo">1027</span>   * If all the requirements are meet, 
the procedure and its ancestors will be<a name="line.1027"></a>
-<span class="sourceLineNo">1028</span>   * bypassed and persisted to WAL.<a 
name="line.1028"></a>
-<span class="sourceLineNo">1029</span>   *<a name="line.1029"></a>
-<span class="sourceLineNo">1030</span>   * &lt;p&gt;<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span>   * If the procedure is in WAITING 
state, will set it to RUNNABLE add it to run queue.<a name="line.1031"></a>
-<span class="sourceLineNo">1032</span>   * TODO: What about WAITING_TIMEOUT?<a 
name="line.1032"></a>
-<span class="sourceLineNo">1033</span>   * @param pids the procedure id<a 
name="line.1033"></a>
-<span class="sourceLineNo">1034</span>   * @param lockWait time to wait lock<a 
name="line.1034"></a>
-<span class="sourceLineNo">1035</span>   * @param force if force set to true, 
we will bypass the procedure even if it is executing.<a name="line.1035"></a>
-<span class="sourceLineNo">1036</span>   *              This is for procedures 
which can't break out during executing(due to bug, mostly)<a 
name="line.1036"></a>
-<span class="sourceLineNo">1037</span>   *              In this case, 
bypassing the procedure is not enough, since it is already stuck<a 
name="line.1037"></a>
-<span class="sourceLineNo">1038</span>   *              there. We need to 
restart the master after bypassing, and letting the problematic<a 
name="line.1038"></a>
-<span class="sourceLineNo">1039</span>   *              procedure to execute 
wth bypass=true, so in that condition, the procedure can be<a 
name="line.1039"></a>
-<span class="sourceLineNo">1040</span>   *              successfully 
bypassed.<a name="line.1040"></a>
-<span class="sourceLineNo">1041</span>   * @param recursive We will do an 
expensive search for children of each pid. EXPENSIVE!<a name="line.1041"></a>
-<span class="sourceLineNo">1042</span>   * @return true if bypass success<a 
name="line.1042"></a>
-<span class="sourceLineNo">1043</span>   * @throws IOException IOException<a 
name="line.1043"></a>
-<span class="sourceLineNo">1044</span>   */<a name="line.1044"></a>
-<span class="sourceLineNo">1045</span>  public List&lt;Boolean&gt; 
bypassProcedure(List&lt;Long&gt; pids, long lockWait, boolean force,<a 
name="line.1045"></a>
-<span class="sourceLineNo">1046</span>      boolean recursive)<a 
name="line.1046"></a>
-<span class="sourceLineNo">1047</span>      throws IOException {<a 
name="line.1047"></a>
-<span class="sourceLineNo">1048</span>    List&lt;Boolean&gt; result = new 
ArrayList&lt;Boolean&gt;(pids.size());<a name="line.1048"></a>
-<span class="sourceLineNo">1049</span>    for(long pid: pids) {<a 
name="line.1049"></a>
-<span class="sourceLineNo">1050</span>      result.add(bypassProcedure(pid, 
lockWait, force, recursive));<a name="line.1050"></a>
-<span class="sourceLineNo">1051</span>    }<a name="line.1051"></a>
-<span class="sourceLineNo">1052</span>    return result;<a 
name="line.1052"></a>
-<span class="sourceLineNo">1053</span>  }<a name="line.1053"></a>
-<span class="sourceLineNo">1054</span><a name="line.1054"></a>
-<span class="sourceLineNo">1055</span>  boolean bypassProcedure(long pid, long 
lockWait, boolean override, boolean recursive)<a name="line.1055"></a>
-<span class="sourceLineNo">1056</span>      throws IOException {<a 
name="line.1056"></a>
-<span class="sourceLineNo">1057</span>    Preconditions.checkArgument(lockWait 
&gt; 0, "lockWait should be positive");<a name="line.1057"></a>
-<span class="sourceLineNo">1058</span>    final Procedure&lt;TEnvironment&gt; 
procedure = getProcedure(pid);<a name="line.1058"></a>
-<span class="sourceLineNo">1059</span>    if (procedure == null) {<a 
name="line.1059"></a>
-<span class="sourceLineNo">1060</span>      LOG.debug("Procedure pid={} does 
not exist, skipping bypass", pid);<a name="line.1060"></a>
-<span class="sourceLineNo">1061</span>      return false;<a 
name="line.1061"></a>
-<span class="sourceLineNo">1062</span>    }<a name="line.1062"></a>
-<span class="sourceLineNo">1063</span><a name="line.1063"></a>
-<span class="sourceLineNo">1064</span>    LOG.debug("Begin bypass {} with 
lockWait={}, override={}, recursive={}",<a name="line.1064"></a>
-<span class="sourceLineNo">1065</span>        procedure, lockWait, override, 
recursive);<a name="line.1065"></a>
-<span class="sourceLineNo">1066</span>    IdLock.Entry lockEntry = 
procExecutionLock.tryLockEntry(procedure.getProcId(), lockWait);<a 
name="line.1066"></a>
-<span class="sourceLineNo">1067</span>    if (lockEntry == null &amp;&amp; 
!override) {<a name="line.1067"></a>
-<span class="sourceLineNo">1068</span>      LOG.debug("Waited {} ms, but {} is 
still running, skipping bypass with force={}",<a name="line.1068"></a>
-<span class="sourceLineNo">1069</span>          lockWait, procedure, 
override);<a name="line.1069"></a>
-<span class="sourceLineNo">1070</span>      return false;<a 
name="line.1070"></a>
-<span class="sourceLineNo">1071</span>    } else if (lockEntry == null) {<a 
name="line.1071"></a>
-<span class="sourceLineNo">1072</span>      LOG.debug("Waited {} ms, but {} is 
still running, begin bypass with force={}",<a name="line.1072"></a>
-<span class="sourceLineNo">1073</span>          lockWait, procedure, 
override);<a name="line.1073"></a>
-<span class="sourceLineNo">1074</span>    }<a name="line.1074"></a>
-<span class="sourceLineNo">1075</span>    try {<a name="line.1075"></a>
-<span class="sourceLineNo">1076</span>      // check whether the procedure is 
already finished<a name="line.1076"></a>
-<span class="sourceLineNo">1077</span>      if (procedure.isFinished()) {<a 
name="line.1077"></a>
-<span class="sourceLineNo">1078</span>        LOG.debug("{} is already 
finished, skipping bypass", procedure);<a name="line.1078"></a>
-<span class="sourceLineNo">1079</span>        return false;<a 
name="line.1079"></a>
-<span class="sourceLineNo">1080</span>      }<a name="line.1080"></a>
-<span class="sourceLineNo">1081</span><a name="line.1081"></a>
-<span class="sourceLineNo">1082</span>      if (procedure.hasChildren()) {<a 
name="line.1082"></a>
-<span class="sourceLineNo">1083</span>        if (recursive) {<a 
name="line.1083"></a>
-<span class="sourceLineNo">1084</span>          // EXPENSIVE. Checks each live 
procedure of which there could be many!!!<a name="line.1084"></a>
-<span class="sourceLineNo">1085</span>          // Is there another way to get 
children of a procedure?<a name="line.1085"></a>
-<span class="sourceLineNo">1086</span>          LOG.info("Recursive bypass on 
children of pid={}", procedure.getProcId());<a name="line.1086"></a>
-<span class="sourceLineNo">1087</span>          this.procedures.forEachValue(1 
/*Single-threaded*/,<a name="line.1087"></a>
-<span class="sourceLineNo">1088</span>            // Transformer<a 
name="line.1088"></a>
-<span class="sourceLineNo">1089</span>            v -&gt; v.getParentProcId() 
== procedure.getProcId()? v: null,<a name="line.1089"></a>
-<span class="sourceLineNo">1090</span>            // Consumer<a 
name="line.1090"></a>
-<span class=

<TRUNCATED>

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