http://git-wip-us.apache.org/repos/asf/hbase-site/blob/425db230/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureRetainer.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureRetainer.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureRetainer.html index 55d34df..688bd4e 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureRetainer.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.CompletedProcedureRetainer.html @@ -513,1737 +513,1727 @@ <span class="sourceLineNo">505</span> private void loadProcedures(ProcedureIterator procIter, boolean abortOnCorruption)<a name="line.505"></a> <span class="sourceLineNo">506</span> throws IOException {<a name="line.506"></a> <span class="sourceLineNo">507</span> // 1. Build the rollback stack<a name="line.507"></a> -<span class="sourceLineNo">508</span> int runnablesCount = 0;<a name="line.508"></a> +<span class="sourceLineNo">508</span> int runnableCount = 0;<a name="line.508"></a> <span class="sourceLineNo">509</span> int failedCount = 0;<a name="line.509"></a> -<span class="sourceLineNo">510</span> while (procIter.hasNext()) {<a name="line.510"></a> -<span class="sourceLineNo">511</span> boolean finished = procIter.isNextFinished();<a name="line.511"></a> -<span class="sourceLineNo">512</span> @SuppressWarnings("unchecked")<a name="line.512"></a> -<span class="sourceLineNo">513</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.513"></a> -<span class="sourceLineNo">514</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.514"></a> -<span class="sourceLineNo">515</span> long procId = proc.getProcId();<a name="line.515"></a> -<span class="sourceLineNo">516</span><a name="line.516"></a> -<span class="sourceLineNo">517</span> if (finished) {<a name="line.517"></a> -<span class="sourceLineNo">518</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.518"></a> -<span class="sourceLineNo">519</span> LOG.debug("Completed {}", proc);<a name="line.519"></a> -<span class="sourceLineNo">520</span> } else {<a name="line.520"></a> -<span class="sourceLineNo">521</span> if (!proc.hasParent()) {<a name="line.521"></a> -<span class="sourceLineNo">522</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.522"></a> -<span class="sourceLineNo">523</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.523"></a> -<span class="sourceLineNo">524</span> }<a name="line.524"></a> -<span class="sourceLineNo">525</span><a name="line.525"></a> -<span class="sourceLineNo">526</span> // add the procedure to the map<a name="line.526"></a> -<span class="sourceLineNo">527</span> proc.beforeReplay(getEnvironment());<a name="line.527"></a> -<span class="sourceLineNo">528</span> procedures.put(proc.getProcId(), proc);<a name="line.528"></a> -<span class="sourceLineNo">529</span><a name="line.529"></a> -<span class="sourceLineNo">530</span> if (proc.getState() == ProcedureState.RUNNABLE) {<a name="line.530"></a> -<span class="sourceLineNo">531</span> runnablesCount++;<a name="line.531"></a> -<span class="sourceLineNo">532</span> } else if (proc.getState() == ProcedureState.FAILED) {<a name="line.532"></a> -<span class="sourceLineNo">533</span> failedCount++;<a name="line.533"></a> -<span class="sourceLineNo">534</span> }<a name="line.534"></a> -<span class="sourceLineNo">535</span> }<a name="line.535"></a> -<span class="sourceLineNo">536</span><a name="line.536"></a> -<span class="sourceLineNo">537</span> // add the nonce to the map<a name="line.537"></a> -<span class="sourceLineNo">538</span> if (nonceKey != null) {<a name="line.538"></a> -<span class="sourceLineNo">539</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.539"></a> -<span class="sourceLineNo">540</span> }<a name="line.540"></a> -<span class="sourceLineNo">541</span> }<a name="line.541"></a> -<span class="sourceLineNo">542</span><a name="line.542"></a> -<span class="sourceLineNo">543</span> // 2. Initialize the stacks<a name="line.543"></a> -<span class="sourceLineNo">544</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.544"></a> -<span class="sourceLineNo">545</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.545"></a> -<span class="sourceLineNo">546</span> // introduce the restore lock stage.<a name="line.546"></a> -<span class="sourceLineNo">547</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.547"></a> -<span class="sourceLineNo">548</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.548"></a> -<span class="sourceLineNo">549</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.549"></a> -<span class="sourceLineNo">550</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.550"></a> -<span class="sourceLineNo">551</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.551"></a> -<span class="sourceLineNo">552</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.552"></a> -<span class="sourceLineNo">553</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.553"></a> -<span class="sourceLineNo">554</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnablesCount);<a name="line.554"></a> -<span class="sourceLineNo">555</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.555"></a> -<span class="sourceLineNo">556</span> Set<Procedure<TEnvironment>> waitingSet = null;<a name="line.556"></a> -<span class="sourceLineNo">557</span> procIter.reset();<a name="line.557"></a> -<span class="sourceLineNo">558</span> while (procIter.hasNext()) {<a name="line.558"></a> -<span class="sourceLineNo">559</span> if (procIter.isNextFinished()) {<a name="line.559"></a> -<span class="sourceLineNo">560</span> procIter.skipNext();<a name="line.560"></a> -<span class="sourceLineNo">561</span> continue;<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span><a name="line.563"></a> -<span class="sourceLineNo">564</span> @SuppressWarnings("unchecked")<a name="line.564"></a> -<span class="sourceLineNo">565</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.565"></a> -<span class="sourceLineNo">566</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.566"></a> -<span class="sourceLineNo">567</span><a name="line.567"></a> -<span class="sourceLineNo">568</span> LOG.debug("Loading {}", proc);<a name="line.568"></a> -<span class="sourceLineNo">569</span><a name="line.569"></a> -<span class="sourceLineNo">570</span> Long rootProcId = getRootProcedureId(proc);<a name="line.570"></a> -<span class="sourceLineNo">571</span> if (rootProcId == null) {<a name="line.571"></a> -<span class="sourceLineNo">572</span> // The 'proc' was ready to run but the root procedure was rolledback?<a name="line.572"></a> -<span class="sourceLineNo">573</span> scheduler.addBack(proc);<a name="line.573"></a> +<span class="sourceLineNo">510</span> int waitingCount = 0;<a name="line.510"></a> +<span class="sourceLineNo">511</span> int waitingTimeoutCount = 0;<a name="line.511"></a> +<span class="sourceLineNo">512</span> while (procIter.hasNext()) {<a name="line.512"></a> +<span class="sourceLineNo">513</span> boolean finished = procIter.isNextFinished();<a name="line.513"></a> +<span class="sourceLineNo">514</span> @SuppressWarnings("unchecked")<a name="line.514"></a> +<span class="sourceLineNo">515</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.515"></a> +<span class="sourceLineNo">516</span> NonceKey nonceKey = proc.getNonceKey();<a name="line.516"></a> +<span class="sourceLineNo">517</span> long procId = proc.getProcId();<a name="line.517"></a> +<span class="sourceLineNo">518</span><a name="line.518"></a> +<span class="sourceLineNo">519</span> if (finished) {<a name="line.519"></a> +<span class="sourceLineNo">520</span> completed.put(proc.getProcId(), new CompletedProcedureRetainer<>(proc));<a name="line.520"></a> +<span class="sourceLineNo">521</span> LOG.debug("Completed {}", proc);<a name="line.521"></a> +<span class="sourceLineNo">522</span> } else {<a name="line.522"></a> +<span class="sourceLineNo">523</span> if (!proc.hasParent()) {<a name="line.523"></a> +<span class="sourceLineNo">524</span> assert !proc.isFinished() : "unexpected finished procedure";<a name="line.524"></a> +<span class="sourceLineNo">525</span> rollbackStack.put(proc.getProcId(), new RootProcedureState<>());<a name="line.525"></a> +<span class="sourceLineNo">526</span> }<a name="line.526"></a> +<span class="sourceLineNo">527</span><a name="line.527"></a> +<span class="sourceLineNo">528</span> // add the procedure to the map<a name="line.528"></a> +<span class="sourceLineNo">529</span> proc.beforeReplay(getEnvironment());<a name="line.529"></a> +<span class="sourceLineNo">530</span> procedures.put(proc.getProcId(), proc);<a name="line.530"></a> +<span class="sourceLineNo">531</span> switch (proc.getState()) {<a name="line.531"></a> +<span class="sourceLineNo">532</span> case RUNNABLE:<a name="line.532"></a> +<span class="sourceLineNo">533</span> runnableCount++;<a name="line.533"></a> +<span class="sourceLineNo">534</span> break;<a name="line.534"></a> +<span class="sourceLineNo">535</span> case FAILED:<a name="line.535"></a> +<span class="sourceLineNo">536</span> failedCount++;<a name="line.536"></a> +<span class="sourceLineNo">537</span> break;<a name="line.537"></a> +<span class="sourceLineNo">538</span> case WAITING:<a name="line.538"></a> +<span class="sourceLineNo">539</span> waitingCount++;<a name="line.539"></a> +<span class="sourceLineNo">540</span> break;<a name="line.540"></a> +<span class="sourceLineNo">541</span> case WAITING_TIMEOUT:<a name="line.541"></a> +<span class="sourceLineNo">542</span> waitingTimeoutCount++;<a name="line.542"></a> +<span class="sourceLineNo">543</span> break;<a name="line.543"></a> +<span class="sourceLineNo">544</span> default:<a name="line.544"></a> +<span class="sourceLineNo">545</span> break;<a name="line.545"></a> +<span class="sourceLineNo">546</span> }<a name="line.546"></a> +<span class="sourceLineNo">547</span> }<a name="line.547"></a> +<span class="sourceLineNo">548</span><a name="line.548"></a> +<span class="sourceLineNo">549</span> // add the nonce to the map<a name="line.549"></a> +<span class="sourceLineNo">550</span> if (nonceKey != null) {<a name="line.550"></a> +<span class="sourceLineNo">551</span> nonceKeysToProcIdsMap.put(nonceKey, procId);<a name="line.551"></a> +<span class="sourceLineNo">552</span> }<a name="line.552"></a> +<span class="sourceLineNo">553</span> }<a name="line.553"></a> +<span class="sourceLineNo">554</span><a name="line.554"></a> +<span class="sourceLineNo">555</span> // 2. Initialize the stacks<a name="line.555"></a> +<span class="sourceLineNo">556</span> // In the old implementation, for procedures in FAILED state, we will push it into the<a name="line.556"></a> +<span class="sourceLineNo">557</span> // ProcedureScheduler directly to execute the rollback. But this does not work after we<a name="line.557"></a> +<span class="sourceLineNo">558</span> // introduce the restore lock stage.<a name="line.558"></a> +<span class="sourceLineNo">559</span> // For now, when we acquire a xlock, we will remove the queue from runQueue in scheduler, and<a name="line.559"></a> +<span class="sourceLineNo">560</span> // then when a procedure which has lock access, for example, a sub procedure of the procedure<a name="line.560"></a> +<span class="sourceLineNo">561</span> // which has the xlock, is pushed into the scheduler, we will add the queue back to let the<a name="line.561"></a> +<span class="sourceLineNo">562</span> // workers poll from it. The assumption here is that, the procedure which has the xlock should<a name="line.562"></a> +<span class="sourceLineNo">563</span> // have been polled out already, so when loading we can not add the procedure to scheduler first<a name="line.563"></a> +<span class="sourceLineNo">564</span> // and then call acquireLock, since the procedure is still in the queue, and since we will<a name="line.564"></a> +<span class="sourceLineNo">565</span> // remove the queue from runQueue, then no one can poll it out, then there is a dead lock<a name="line.565"></a> +<span class="sourceLineNo">566</span> List<Procedure<TEnvironment>> runnableList = new ArrayList<>(runnableCount);<a name="line.566"></a> +<span class="sourceLineNo">567</span> List<Procedure<TEnvironment>> failedList = new ArrayList<>(failedCount);<a name="line.567"></a> +<span class="sourceLineNo">568</span> List<Procedure<TEnvironment>> waitingList = new ArrayList<>(waitingCount);<a name="line.568"></a> +<span class="sourceLineNo">569</span> List<Procedure<TEnvironment>> waitingTimeoutList = new ArrayList<>(waitingTimeoutCount);<a name="line.569"></a> +<span class="sourceLineNo">570</span> procIter.reset();<a name="line.570"></a> +<span class="sourceLineNo">571</span> while (procIter.hasNext()) {<a name="line.571"></a> +<span class="sourceLineNo">572</span> if (procIter.isNextFinished()) {<a name="line.572"></a> +<span class="sourceLineNo">573</span> procIter.skipNext();<a name="line.573"></a> <span class="sourceLineNo">574</span> continue;<a name="line.574"></a> <span class="sourceLineNo">575</span> }<a name="line.575"></a> <span class="sourceLineNo">576</span><a name="line.576"></a> -<span class="sourceLineNo">577</span> if (proc.hasParent()) {<a name="line.577"></a> -<span class="sourceLineNo">578</span> Procedure<TEnvironment> parent = procedures.get(proc.getParentProcId());<a name="line.578"></a> -<span class="sourceLineNo">579</span> // corrupted procedures are handled later at step 3<a name="line.579"></a> -<span class="sourceLineNo">580</span> if (parent != null && !proc.isFinished()) {<a name="line.580"></a> -<span class="sourceLineNo">581</span> parent.incChildrenLatch();<a name="line.581"></a> -<span class="sourceLineNo">582</span> }<a name="line.582"></a> -<span class="sourceLineNo">583</span> }<a name="line.583"></a> -<span class="sourceLineNo">584</span><a name="line.584"></a> -<span class="sourceLineNo">585</span> RootProcedureState<TEnvironment> procStack = rollbackStack.get(rootProcId);<a name="line.585"></a> -<span class="sourceLineNo">586</span> procStack.loadStack(proc);<a name="line.586"></a> -<span class="sourceLineNo">587</span><a name="line.587"></a> -<span class="sourceLineNo">588</span> proc.setRootProcId(rootProcId);<a name="line.588"></a> -<span class="sourceLineNo">589</span> switch (proc.getState()) {<a name="line.589"></a> -<span class="sourceLineNo">590</span> case RUNNABLE:<a name="line.590"></a> -<span class="sourceLineNo">591</span> runnableList.add(proc);<a name="line.591"></a> -<span class="sourceLineNo">592</span> break;<a name="line.592"></a> -<span class="sourceLineNo">593</span> case WAITING:<a name="line.593"></a> -<span class="sourceLineNo">594</span> if (!proc.hasChildren()) {<a name="line.594"></a> -<span class="sourceLineNo">595</span> // Normally, WAITING procedures should be waken by its children.<a name="line.595"></a> -<span class="sourceLineNo">596</span> // But, there is a case that, all the children are successful and before<a name="line.596"></a> -<span class="sourceLineNo">597</span> // they can wake up their parent procedure, the master was killed.<a name="line.597"></a> -<span class="sourceLineNo">598</span> // So, during recovering the procedures from ProcedureWal, its children<a name="line.598"></a> -<span class="sourceLineNo">599</span> // are not loaded because of their SUCCESS state.<a name="line.599"></a> -<span class="sourceLineNo">600</span> // So we need to continue to run this WAITING procedure. But before<a name="line.600"></a> -<span class="sourceLineNo">601</span> // executing, we need to set its state to RUNNABLE, otherwise, a exception<a name="line.601"></a> -<span class="sourceLineNo">602</span> // will throw:<a name="line.602"></a> -<span class="sourceLineNo">603</span> // Preconditions.checkArgument(procedure.getState() == ProcedureState.RUNNABLE,<a name="line.603"></a> -<span class="sourceLineNo">604</span> // "NOT RUNNABLE! " + procedure.toString());<a name="line.604"></a> -<span class="sourceLineNo">605</span> proc.setState(ProcedureState.RUNNABLE);<a name="line.605"></a> -<span class="sourceLineNo">606</span> runnableList.add(proc);<a name="line.606"></a> -<span class="sourceLineNo">607</span> }<a name="line.607"></a> +<span class="sourceLineNo">577</span> @SuppressWarnings("unchecked")<a name="line.577"></a> +<span class="sourceLineNo">578</span> Procedure<TEnvironment> proc = procIter.next();<a name="line.578"></a> +<span class="sourceLineNo">579</span> assert !(proc.isFinished() && !proc.hasParent()) : "unexpected completed proc=" + proc;<a name="line.579"></a> +<span class="sourceLineNo">580</span><a name="line.580"></a> +<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<TEnvironment> 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 && !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<TEnvironment> 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> if (waitingSet == null) {<a name="line.610"></a> -<span class="sourceLineNo">611</span> waitingSet = new HashSet<>();<a name="line.611"></a> -<span class="sourceLineNo">612</span> }<a name="line.612"></a> -<span class="sourceLineNo">613</span> waitingSet.add(proc);<a name="line.613"></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 FAILED:<a name="line.615"></a> -<span class="sourceLineNo">616</span> failedList.add(proc);<a name="line.616"></a> -<span class="sourceLineNo">617</span> break;<a name="line.617"></a> -<span class="sourceLineNo">618</span> case ROLLEDBACK:<a name="line.618"></a> -<span class="sourceLineNo">619</span> case INITIALIZING:<a name="line.619"></a> -<span class="sourceLineNo">620</span> String msg = "Unexpected " + proc.getState() + " state for " + proc;<a name="line.620"></a> -<span class="sourceLineNo">621</span> LOG.error(msg);<a name="line.621"></a> -<span class="sourceLineNo">622</span> throw new UnsupportedOperationException(msg);<a name="line.622"></a> -<span class="sourceLineNo">623</span> default:<a name="line.623"></a> -<span class="sourceLineNo">624</span> break;<a name="line.624"></a> -<span class="sourceLineNo">625</span> }<a name="line.625"></a> -<span class="sourceLineNo">626</span> }<a name="line.626"></a> -<span class="sourceLineNo">627</span><a name="line.627"></a> -<span class="sourceLineNo">628</span> // 3. Validate the stacks<a name="line.628"></a> -<span class="sourceLineNo">629</span> int corruptedCount = 0;<a name="line.629"></a> -<span class="sourceLineNo">630</span> Iterator<Map.Entry<Long, RootProcedureState<TEnvironment>>> itStack =<a name="line.630"></a> -<span class="sourceLineNo">631</span> rollbackStack.entrySet().iterator();<a name="line.631"></a> -<span class="sourceLineNo">632</span> while (itStack.hasNext()) {<a name="line.632"></a> -<span class="sourceLineNo">633</span> Map.Entry<Long, RootProcedureState<TEnvironment>> entry = itStack.next();<a name="line.633"></a> -<span class="sourceLineNo">634</span> RootProcedureState<TEnvironment> procStack = entry.getValue();<a name="line.634"></a> -<span class="sourceLineNo">635</span> if (procStack.isValid()) continue;<a name="line.635"></a> -<span class="sourceLineNo">636</span><a name="line.636"></a> -<span class="sourceLineNo">637</span> for (Procedure<TEnvironment> proc : procStack.getSubproceduresStack()) {<a name="line.637"></a> -<span class="sourceLineNo">638</span> LOG.error("Corrupted " + proc);<a name="line.638"></a> -<span class="sourceLineNo">639</span> procedures.remove(proc.getProcId());<a name="line.639"></a> -<span class="sourceLineNo">640</span> runnableList.remove(proc);<a name="line.640"></a> -<span class="sourceLineNo">641</span> if (waitingSet != null) waitingSet.remove(proc);<a name="line.641"></a> -<span class="sourceLineNo">642</span> corruptedCount++;<a name="line.642"></a> -<span class="sourceLineNo">643</span> }<a name="line.643"></a> -<span class="sourceLineNo">644</span> itStack.remove();<a name="line.644"></a> -<span class="sourceLineNo">645</span> }<a name="line.645"></a> -<span class="sourceLineNo">646</span><a name="line.646"></a> -<span class="sourceLineNo">647</span> if (abortOnCorruption && corruptedCount > 0) {<a name="line.647"></a> -<span class="sourceLineNo">648</span> throw new IOException("found " + corruptedCount + " procedures on replay");<a name="line.648"></a> -<span class="sourceLineNo">649</span> }<a name="line.649"></a> -<span class="sourceLineNo">650</span><a name="line.650"></a> -<span class="sourceLineNo">651</span> // 4. Push the procedures to the timeout executor<a name="line.651"></a> -<span class="sourceLineNo">652</span> if (waitingSet != null && !waitingSet.isEmpty()) {<a name="line.652"></a> -<span class="sourceLineNo">653</span> for (Procedure<TEnvironment> proc: waitingSet) {<a name="line.653"></a> -<span class="sourceLineNo">654</span> proc.afterReplay(getEnvironment());<a name="line.654"></a> -<span class="sourceLineNo">655</span> timeoutExecutor.add(proc);<a name="line.655"></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 -> {<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 -> {<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 -> {<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> }<a name="line.657"></a> -<span class="sourceLineNo">658</span> // 5. restore locks<a name="line.658"></a> -<span class="sourceLineNo">659</span> restoreLocks();<a name="line.659"></a> -<span class="sourceLineNo">660</span> // 6. Push the procedure to the scheduler<a name="line.660"></a> -<span class="sourceLineNo">661</span> failedList.forEach(scheduler::addBack);<a name="line.661"></a> -<span class="sourceLineNo">662</span> runnableList.forEach(p -> {<a name="line.662"></a> -<span class="sourceLineNo">663</span> p.afterReplay(getEnvironment());<a name="line.663"></a> -<span class="sourceLineNo">664</span> if (!p.hasParent()) {<a name="line.664"></a> -<span class="sourceLineNo">665</span> sendProcedureLoadedNotification(p.getProcId());<a name="line.665"></a> -<span class="sourceLineNo">666</span> }<a name="line.666"></a> -<span class="sourceLineNo">667</span> scheduler.addBack(p);<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> /**<a name="line.671"></a> -<span class="sourceLineNo">672</span> * Initialize the procedure executor, but do not start workers. We will start them later.<a name="line.672"></a> -<span class="sourceLineNo">673</span> * <p/><a name="line.673"></a> -<span class="sourceLineNo">674</span> * It calls ProcedureStore.recoverLease() and ProcedureStore.load() to recover the lease, and<a name="line.674"></a> -<span class="sourceLineNo">675</span> * ensure a single executor, and start the procedure replay to resume and recover the previous<a name="line.675"></a> -<span class="sourceLineNo">676</span> * pending and in-progress procedures.<a name="line.676"></a> -<span class="sourceLineNo">677</span> * @param numThreads number of threads available for procedure execution.<a name="line.677"></a> -<span class="sourceLineNo">678</span> * @param abortOnCorruption true if you want to abort your service in case a corrupted procedure<a name="line.678"></a> -<span class="sourceLineNo">679</span> * is found on replay. otherwise false.<a name="line.679"></a> -<span class="sourceLineNo">680</span> */<a name="line.680"></a> -<span class="sourceLineNo">681</span> public void init(int numThreads, boolean abortOnCorruption) throws IOException {<a name="line.681"></a> -<span class="sourceLineNo">682</span> // We have numThreads executor + one timer thread used for timing out<a name="line.682"></a> -<span class="sourceLineNo">683</span> // procedures and triggering periodic procedures.<a name="line.683"></a> -<span class="sourceLineNo">684</span> this.corePoolSize = numThreads;<a name="line.684"></a> -<span class="sourceLineNo">685</span> this.maxPoolSize = 10 * numThreads;<a name="line.685"></a> -<span class="sourceLineNo">686</span> LOG.info("Starting {} core workers (bigger of cpus/4 or 16) with max (burst) worker count={}",<a name="line.686"></a> -<span class="sourceLineNo">687</span> corePoolSize, maxPoolSize);<a name="line.687"></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> * <p/><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<>(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<>();<a name="line.684"></a> +<span class="sourceLineNo">685</span> for (int i = 0; i < 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">688</span><a name="line.688"></a> -<span class="sourceLineNo">689</span> this.threadGroup = new ThreadGroup("PEWorkerGroup");<a name="line.689"></a> -<span class="sourceLineNo">690</span> this.timeoutExecutor = new TimeoutExecutorThread<>(this, threadGroup);<a name="line.690"></a> -<span class="sourceLineNo">691</span><a name="line.691"></a> -<span class="sourceLineNo">692</span> // Create the workers<a name="line.692"></a> -<span class="sourceLineNo">693</span> workerId.set(0);<a name="line.693"></a> -<span class="sourceLineNo">694</span> workerThreads = new CopyOnWriteArrayList<>();<a name="line.694"></a> -<span class="sourceLineNo">695</span> for (int i = 0; i < corePoolSize; ++i) {<a name="line.695"></a> -<span class="sourceLineNo">696</span> workerThreads.add(new WorkerThread(threadGroup));<a name="line.696"></a> -<span class="sourceLineNo">697</span> }<a name="line.697"></a> -<span class="sourceLineNo">698</span><a name="line.698"></a> -<span class="sourceLineNo">699</span> long st, et;<a name="line.699"></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 name="line.696"></a> +<span class="sourceLineNo">697</span><a name="line.697"></a> +<span class="sourceLineNo">698</span> // start the procedure scheduler<a name="line.698"></a> +<span class="sourceLineNo">699</span> scheduler.start();<a name="line.699"></a> <span class="sourceLineNo">700</span><a name="line.700"></a> -<span class="sourceLineNo">701</span> // Acquire the store lease.<a name="line.701"></a> -<span class="sourceLineNo">702</span> st = System.nanoTime();<a name="line.702"></a> -<span class="sourceLineNo">703</span> store.recoverLease();<a name="line.703"></a> -<span class="sourceLineNo">704</span> et = System.nanoTime();<a name="line.704"></a> -<span class="sourceLineNo">705</span> LOG.info("Recovered {} lease in {}", store.getClass().getSimpleName(),<a name="line.705"></a> -<span class="sourceLineNo">706</span> StringUtils.humanTimeDiff(TimeUnit.NANOSECONDS.toMillis(et - st)));<a name="line.706"></a> -<span class="sourceLineNo">707</span><a name="line.707"></a> -<span class="sourceLineNo">708</span> // start the procedure scheduler<a name="line.708"></a> -<span class="sourceLineNo">709</span> scheduler.start();<a name="line.709"></a> -<span class="sourceLineNo">710</span><a name="line.710"></a> -<span class="sourceLineNo">711</span> // TODO: Split in two steps.<a name="line.711"></a> -<span class="sourceLineNo">712</span> // TODO: Handle corrupted procedures (currently just a warn)<a name="line.712"></a> -<span class="sourceLineNo">713</span> // The first one will make sure that we have the latest id,<a name="line.713"></a> -<span class="sourceLineNo">714</span> // so we can start the threads and accept new procedures.<a name="line.714"></a> -<span class="sourceLineNo">715</span> // The second step will do the actual load of old procedures.<a name="line.715"></a> -<span class="sourceLineNo">716</span> st = System.nanoTime();<a name="line.716"></a> -<span class="sourceLineNo">717</span> load(abortOnCorruption);<a name="line.717"></a> -<span class="sourceLineNo">718</span> et = System.nanoTime();<a name="line.718"></a> -<span class="sourceLineNo">719</span> LOG.info("Loaded {} in {}", store.getClass().getSimpleName(),<a name="line.719"></a> -<span class="sourceLineNo">720</span> StringUtils.humanTimeDiff(TimeUnit.NANOSECONDS.toMillis(et - st)));<a name="line.720"></a> -<span class="sourceLineNo">721</span> }<a name="line.721"></a> -<span class="sourceLineNo">722</span><a name="line.722"></a> -<span class="sourceLineNo">723</span> /**<a name="line.723"></a> -<span class="sourceLineNo">724</span> * Start the workers.<a name="line.724"></a> -<span class="sourceLineNo">725</span> */<a name="line.725"></a> -<span class="sourceLineNo">726</span> public void startWorkers() throws IOException {<a name="line.726"></a> -<span class="sourceLineNo">727</span> if (!running.compareAndSet(false, true)) {<a name="line.727"></a> -<span class="sourceLineNo">728</span> LOG.warn("Already running");<a name="line.728"></a> -<span class="sourceLineNo">729</span> return;<a name="line.729"></a> -<span class="sourceLineNo">730</span> }<a name="line.730"></a> -<span class="sourceLineNo">731</span> // Start the executors. Here we must have the lastProcId set.<a name="line.731"></a> -<span class="sourceLineNo">732</span> LOG.trace("Start workers {}", workerThreads.size());<a name="line.732"></a> -<span class="sourceLineNo">733</span> timeoutExecutor.start();<a name="line.733"></a> -<span class="sourceLineNo">734</span> for (WorkerThread worker: workerThreads) {<a name="line.734"></a> -<span class="sourceLineNo">735</span> worker.start();<a name="line.735"></a> -<span class="sourceLineNo">736</span> }<a name="line.736"></a> -<span class="sourceLineNo">737</span><a name="line.737"></a> -<span class="sourceLineNo">738</span> // Internal chores<a name="line.738"></a> -<span class="sourceLineNo">739</span> timeoutExecutor.add(new WorkerMonitor());<a name="line.739"></a> -<span class="sourceLineNo">740</span><a name="line.740"></a> -<span class="sourceLineNo">741</span> // Add completed cleaner chore<a name="line.741"></a> -<span class="sourceLineNo">742</span> addChore(new CompletedProcedureCleaner<>(conf, store, completed, nonceKeysToProcIdsMap));<a name="line.742"></a> +<span class="sourceLineNo">701</span> // TODO: Split in two steps.<a name="line.701"></a> +<span class="sourceLineNo">702</span> // TODO: Handle corrupted procedures (currently just a warn)<a name="line.702"></a> +<span class="sourceLineNo">703</span> // The first one will make sure that we have the latest id,<a name="line.703"></a> +<span class="sourceLineNo">704</span> // so we can start the threads and accept new procedures.<a name="line.704"></a> +<span class="sourceLineNo">705</span> // The second step will do the actual load of old procedures.<a name="line.705"></a> +<span class="sourceLineNo">706</span> st = System.nanoTime();<a name="line.706"></a> +<span class="sourceLineNo">707</span> load(abortOnCorruption);<a name="line.707"></a> +<span class="sourceLineNo">708</span> et = System.nanoTime();<a name="line.708"></a> +<span class="sourceLineNo">709</span> LOG.info("Loaded {} in {}", store.getClass().getSimpleName(),<a name="line.709"></a> +<span class="sourceLineNo">710</span> StringUtils.humanTimeDiff(TimeUnit.NANOSECONDS.toMillis(et - st)));<a name="line.710"></a> +<span class="sourceLineNo">711</span> }<a name="line.711"></a> +<span class="sourceLineNo">712</span><a name="line.712"></a> +<span class="sourceLineNo">713</span> /**<a name="line.713"></a> +<span class="sourceLineNo">714</span> * Start the workers.<a name="line.714"></a> +<span class="sourceLineNo">715</span> */<a name="line.715"></a> +<span class="sourceLineNo">716</span> public void startWorkers() throws IOException {<a name="line.716"></a> +<span class="sourceLineNo">717</span> if (!running.compareAndSet(false, true)) {<a name="line.717"></a> +<span class="sourceLineNo">718</span> LOG.warn("Already running");<a name="line.718"></a> +<span class="sourceLineNo">719</span> return;<a name="line.719"></a> +<span class="sourceLineNo">720</span> }<a name="line.720"></a> +<span class="sourceLineNo">721</span> // Start the executors. Here we must have the lastProcId set.<a name="line.721"></a> +<span class="sourceLineNo">722</span> LOG.trace("Start workers {}", workerThreads.size());<a name="line.722"></a> +<span class="sourceLineNo">723</span> timeoutExecutor.start();<a name="line.723"></a> +<span class="sourceLineNo">724</span> for (WorkerThread worker: workerThreads) {<a name="line.724"></a> +<span class="sourceLineNo">725</span> worker.start();<a name="line.725"></a> +<span class="sourceLineNo">726</span> }<a name="line.726"></a> +<span class="sourceLineNo">727</span><a name="line.727"></a> +<span class="sourceLineNo">728</span> // Internal chores<a name="line.728"></a> +<span class="sourceLineNo">729</span> timeoutExecutor.add(new WorkerMonitor());<a name="line.729"></a> +<span class="sourceLineNo">730</span><a name="line.730"></a> +<span class="sourceLineNo">731</span> // Add completed cleaner chore<a name="line.731"></a> +<span class="sourceLineNo">732</span> addChore(new CompletedProcedureCleaner<>(conf, store, completed, nonceKeysToProcIdsMap));<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> public void stop() {<a name="line.735"></a> +<span class="sourceLineNo">736</span> if (!running.getAndSet(false)) {<a name="line.736"></a> +<span class="sourceLineNo">737</span> return;<a name="line.737"></a> +<span class="sourceLineNo">738</span> }<a name="line.738"></a> +<span class="sourceLineNo">739</span><a name="line.739"></a> +<span class="sourceLineNo">740</span> LOG.info("Stopping");<a name="line.740"></a> +<span class="sourceLineNo">741</span> scheduler.stop();<a name="line.741"></a> +<span class="sourceLineNo">742</span> timeoutExecutor.sendStopSignal();<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> public void stop() {<a name="line.745"></a> -<span class="sourceLineNo">746</span> if (!running.getAndSet(false)) {<a name="line.746"></a> -<span class="sourceLineNo">747</span> return;<a name="line.747"></a> -<span class="sourceLineNo">748</span> }<a name="line.748"></a> -<span class="sourceLineNo">749</span><a name="line.749"></a> -<span class="sourceLineNo">750</span> LOG.info("Stopping");<a name="line.750"></a> -<span class="sourceLineNo">751</span> scheduler.stop();<a name="line.751"></a> -<span class="sourceLineNo">752</span> timeoutExecutor.sendStopSignal();<a name="line.752"></a> -<span class="sourceLineNo">753</span> }<a name="line.753"></a> -<span class="sourceLineNo">754</span><a name="line.754"></a> -<span class="sourceLineNo">755</span> @VisibleForTesting<a name="line.755"></a> -<span class="sourceLineNo">756</span> public void join() {<a name="line.756"></a> -<span class="sourceLineNo">757</span> assert !isRunning() : "expected not running";<a name="line.757"></a> -<span class="sourceLineNo">758</span><a name="line.758"></a> -<span class="sourceLineNo">759</span> // stop the timeout executor<a name="line.759"></a> -<span class="sourceLineNo">760</span> timeoutExecutor.awaitTermination();<a name="line.760"></a> -<span class="sourceLineNo">761</span><a name="line.761"></a> -<span class="sourceLineNo">762</span> // stop the worker threads<a name="line.762"></a> -<span class="sourceLineNo">763</span> for (WorkerThread worker: workerThreads) {<a name="line.763"></a> -<span class="sourceLineNo">764</span> worker.awaitTermination();<a name="line.764"></a> -<span class="sourceLineNo">765</span> }<a name="line.765"></a> -<span class="sourceLineNo">766</span><a name="line.766"></a> -<span class="sourceLineNo">767</span> // Destroy the Thread Group for the executors<a name="line.767"></a> -<span class="sourceLineNo">768</span> // TODO: Fix. #join is not place to destroy resources.<a name="line.768"></a> -<span class="sourceLineNo">769</span> try {<a name="line.769"></a> -<span class="sourceLineNo">770</span> threadGroup.destroy();<a name="line.770"></a> -<span class="sourceLineNo">771</span> } catch (IllegalThreadStateException e) {<a name="line.771"></a> -<span class="sourceLineNo">772</span> LOG.error("ThreadGroup {} contains running threads; {}: See STDOUT",<a name="line.772"></a> -<span class="sourceLineNo">773</span> this.threadGroup, e.getMessage());<a name="line.773"></a> -<span class="sourceLineNo">774</span> // This dumps list of threads on STDOUT.<a name="line.774"></a> -<span class="sourceLineNo">775</span> this.threadGroup.list();<a name="line.775"></a> -<span class="sourceLineNo">776</span> }<a name="line.776"></a> -<span class="sourceLineNo">777</span><a name="line.777"></a> -<span class="sourceLineNo">778</span> // reset the in-memory state for testing<a name="line.778"></a> -<span class="sourceLineNo">779</span> completed.clear();<a name="line.779"></a> -<span class="sourceLineNo">780</span> rollbackStack.clear();<a name="line.780"></a> -<span class="sourceLineNo">781</span> procedures.clear();<a name="line.781"></a> -<span class="sourceLineNo">782</span> nonceKeysToProcIdsMap.clear();<a name="line.782"></a> -<span class="sourceLineNo">783</span> scheduler.clear();<a name="line.783"></a> -<span class="sourceLineNo">784</span> lastProcId.set(-1);<a name="line.784"></a> -<span class="sourceLineNo">785</span> }<a name="line.785"></a> -<span class="sourceLineNo">786</span><a name="line.786"></a> -<span class="sourceLineNo">787</span> public void refreshConfiguration(final Configuration conf) {<a name="line.787"></a> -<span class="sourceLineNo">788</span> this.conf = conf;<a name="line.788"></a> -<span class="sourceLineNo">789</span> setKeepAliveTime(conf.getLong(WORKER_KEEP_ALIVE_TIME_CONF_KEY,<a name="line.789"></a> -<span class="sourceLineNo">790</span> DEFAULT_WORKER_KEEP_ALIVE_TIME), TimeUnit.MILLISECONDS);<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> // ==========================================================================<a name="line.793"></a> -<span class="sourceLineNo">794</span> // Accessors<a name="line.794"></a> -<span class="sourceLineNo">795</span> // ==========================================================================<a name="line.795"></a> -<span class="sourceLineNo">796</span> public boolean isRunning() {<a name="line.796"></a> -<span class="sourceLineNo">797</span> return running.get();<a name="line.797"></a> -<span class="sourceLineNo">798</span> }<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> * @return the current number of worker threads.<a name="line.801"></a> -<span class="sourceLineNo">802</span> */<a name="line.802"></a> -<span class="sourceLineNo">803</span> public int getWorkerThreadCount() {<a name="line.803"></a> -<span class="sourceLineNo">804</span> return workerThreads.size();<a name="line.804"></a> -<span class="sourceLineNo">805</span> }<a name="line.805"></a> -<span class="sourceLineNo">806</span><a name="line.806"></a> -<span class="sourceLineNo">807</span> /**<a name="line.807"></a> -<span class="sourceLineNo">808</span> * @return the core pool size settings.<a name="line.808"></a> -<span class="sourceLineNo">809</span> */<a name="line.809"></a> -<span class="sourceLineNo">810</span> public int getCorePoolSize() {<a name="line.810"></a> -<span class="sourceLineNo">811</span> return corePoolSize;<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> public int getActiveExecutorCount() {<a name="line.814"></a> -<span class="sourceLineNo">815</span> return activeExecutorCount.get();<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> public TEnvironment getEnvironment() {<a name="line.818"></a> -<span class="sourceLineNo">819</span> return this.environment;<a name="line.819"></a> -<span class="sourceLineNo">820</span> }<a name="line.820"></a> -<span class="sourceLineNo">821</span><a name="line.821"></a> -<span class="sourceLineNo">822</span> public ProcedureStore getStore() {<a name="line.822"></a> -<span class="sourceLineNo">823</span> return this.store;<a name="line.823"></a> -<span class="sourceLineNo">824</span> }<a name="line.824"></a> -<span class="sourceLineNo">825</span><a name="line.825"></a> -<span class="sourceLineNo">826</span> ProcedureScheduler getScheduler() {<a name="line.826"></a> -<span class="sourceLineNo">827</span> return scheduler;<a name="line.827"></a> -<span class="sourceLineNo">828</span> }<a name="line.828"></a> -<span class="sourceLineNo">829</span><a name="line.829"></a> -<span class="sourceLineNo">830</span> public void setKeepAliveTime(final long keepAliveTime, final TimeUnit timeUnit) {<a name="line.830"></a> -<span class="sourceLineNo">831</span> this.keepAliveTime = timeUnit.toMillis(keepAliveTime);<a name="line.831"></a> -<span class="sourceLineNo">832</span> this.scheduler.signalAll();<a name="line.832"></a> -<span class="sourceLineNo">833</span> }<a name="line.833"></a> -<span class="sourceLineNo">834</span><a name="line.834"></a> -<span class="sourceLineNo">835</span> public long getKeepAliveTime(final TimeUnit timeUnit) {<a name="line.835"></a> -<span class="sourceLineNo">836</span> return timeUnit.convert(keepAliveTime, TimeUnit.MILLISECONDS);<a name="line.836"></a> -<span class="sourceLineNo">837</span> }<a name="line.837"></a> -<span class="sourceLineNo">838</span><a name="line.838"></a> -<span class="sourceLineNo">839</span> // ==========================================================================<a name="line.839"></a> -<span class="sourceLineNo">840</span> // Submit/Remove Chores<a name="line.840"></a> -<span class="sourceLineNo">841</span> // ==========================================================================<a name="line.841"></a> -<span class="sourceLineNo">842</span><a name="line.842"></a> -<span class="sourceLineNo">843</span> /**<a name="line.843"></a> -<span class="sourceLineNo">844</span> * Add a chore procedure to the executor<a name="line.844"></a> -<span class="sourceLineNo">845</span> * @param chore the chore to add<a name="line.845"></a> +<span class="sourceLineNo">745</span> @VisibleForTesting<a name="line.745"></a> +<span class="sourceLineNo">746</span> public void join() {<a name="line.746"></a> +<span class="sourceLineNo">747</span> assert !isRunning() : "expected not running";<a name="line.747"></a> +<span class="sourceLineNo">748</span><a name="line.748"></a> +<span class="sourceLineNo">749</span> // stop the timeout executor<a name="line.749"></a> +<span class="sourceLineNo">750</span> timeoutExecutor.awaitTermination();<a name="line.750"></a> +<span class="sourceLineNo">751</span><a name="line.751"></a> +<span class="sourceLineNo">752</span> // stop the worker threads<a name="line.752"></a> +<span class="sourceLineNo">753</span> for (WorkerThread worker: workerThreads) {<a name="line.753"></a> +<span class="sourceLineNo">754</span> worker.awaitTermination();<a name="line.754"></a> +<span class="sourceLineNo">755</span> }<a name="line.755"></a> +<span class="sourceLineNo">756</span><a name="line.756"></a> +<span class="sourceLineNo">757</span> // Destroy the Thread Group for the executors<a name="line.757"></a> +<span class="sourceLineNo">758</span> // TODO: Fix. #join is not place to destroy resources.<a name="line.758"></a> +<span class="sourceLineNo">759</span> try {<a name="line.759"></a> +<span class="sourceLineNo">760</span> threadGroup.destroy();<a name="line.760"></a> +<span class="sourceLineNo">761</span> } catch (IllegalThreadStateException e) {<a name="line.761"></a> +<span class="sourceLineNo">762</span> LOG.error("ThreadGroup {} contains running threads; {}: See STDOUT",<a name="line.762"></a> +<span class="sourceLineNo">763</span> this.threadGroup, e.getMessage());<a name="line.763"></a> +<span class="sourceLineNo">764</span> // This dumps list of threads on STDOUT.<a name="line.764"></a> +<span class="sourceLineNo">765</span> this.threadGroup.list();<a name="line.765"></a> +<span class="sourceLineNo">766</span> }<a name="line.766"></a> +<span class="sourceLineNo">767</span><a name="line.767"></a> +<span class="sourceLineNo">768</span> // reset the in-memory state for testing<a name="line.768"></a> +<span class="sourceLineNo">769</span> completed.clear();<a name="line.769"></a> +<span class="sourceLineNo">770</span> rollbackStack.clear();<a name="line.770"></a> +<span class="sourceLineNo">771</span> procedures.clear();<a name="line.771"></a> +<span class="sourceLineNo">772</span> nonceKeysToProcIdsMap.clear();<a name="line.772"></a> +<span class="sourceLineNo">773</span> scheduler.clear();<a name="line.773"></a> +<span class="sourceLineNo">774</span> lastProcId.set(-1);<a name="line.774"></a> +<span class="sourceLineNo">775</span> }<a name="line.775"></a> +<span class="sourceLineNo">776</span><a name="line.776"></a> +<span class="sourceLineNo">777</span> public void refreshConfiguration(final Configuration conf) {<a name="line.777"></a> +<span class="sourceLineNo">778</span> this.conf = conf;<a name="line.778"></a> +<span class="sourceLineNo">779</span> setKeepAliveTime(conf.getLong(WORKER_KEEP_ALIVE_TIME_CONF_KEY,<a name="line.779"></a> +<span class="sourceLineNo">780</span> DEFAULT_WORKER_KEEP_ALIVE_TIME), TimeUnit.MILLISECONDS);<a name="line.780"></a> +<span class="sourceLineNo">781</span> }<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> // Accessors<a name="line.784"></a> +<span class="sourceLineNo">785</span> // ==========================================================================<a name="line.785"></a> +<span class="sourceLineNo">786</span> public boolean isRunning() {<a name="line.786"></a> +<span class="sourceLineNo">787</span> return running.get();<a name="line.787"></a> +<span class="sourceLineNo">788</span> }<a name="line.788"></a> +<span class="sourceLineNo">789</span><a name="line.789"></a> +<span class="sourceLineNo">790</span> /**<a name="line.790"></a> +<span class="sourceLineNo">791</span> * @return the current number of worker threads.<a name="line.791"></a> +<span class="sourceLineNo">792</span> */<a name="line.792"></a> +<span class="sourceLineNo">793</span> public int getWorkerThreadCount() {<a name="line.793"></a> +<span class="sourceLineNo">794</span> return workerThreads.size();<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> /**<a name="line.797"></a> +<span class="sourceLineNo">798</span> * @return the core pool size settings.<a name="line.798"></a> +<span class="sourceLineNo">799</span> */<a name="line.799"></a> +<span class="sourceLineNo">800</span> public int getCorePoolSize() {<a name="line.800"></a> +<span class="sourceLineNo">801</span> return corePoolSize;<a name="line.801"></a> +<span class="sourceLineNo">802</span> }<a name="line.802"></a> +<span class="sourceLineNo">803</span><a name="line.803"></a> +<span class="sourceLineNo">804</span> public int getActiveExecutorCount() {<a name="line.804"></a> +<span class="sourceLineNo">805</span> return activeExecutorCount.get();<a name="line.805"></a> +<span class="sourceLineNo">806</span> }<a name="line.806"></a> +<span class="sourceLineNo">807</span><a name="line.807"></a> +<span class="sourceLineNo">808</span> public TEnvironment getEnvironment() {<a name="line.808"></a> +<span class="sourceLineNo">809</span> return this.environment;<a name="line.809"></a> +<span class="sourceLineNo">810</span> }<a name="line.810"></a> +<span class="sourceLineNo">811</span><a name="line.811"></a> +<span class="sourceLineNo">812</span> public ProcedureStore getStore() {<a name="line.812"></a> +<span class="sourceLineNo">813</span> return this.store;<a name="line.813"></a> +<span class="sourceLineNo">814</span> }<a name="line.814"></a> +<span class="sourceLineNo">815</span><a name="line.815"></a> +<span class="sourceLineNo">816</span> ProcedureScheduler getScheduler() {<a name="line.816"></a> +<span class="sourceLineNo">817</span> return scheduler;<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> public void setKeepAliveTime(final long keepAliveTime, final TimeUnit timeUnit) {<a name="line.820"></a> +<span class="sourceLineNo">821</span> this.keepAliveTime = timeUnit.toMillis(keepAliveTime);<a name="line.821"></a> +<span class="sourceLineNo">822</span> this.scheduler.signalAll();<a name="line.822"></a> +<span class="sourceLineNo">823</span> }<a name="line.823"></a> +<span class="sourceLineNo">824</span><a name="line.824"></a> +<span class="sourceLineNo">825</span> public long getKeepAliveTime(final TimeUnit timeUnit) {<a name="line.825"></a> +<span class="sourceLineNo">826</span> return timeUnit.convert(keepAliveTime, TimeUnit.MILLISECONDS);<a name="line.826"></a> +<span class="sourceLineNo">827</span> }<a name="line.827"></a> +<span class="sourceLineNo">828</span><a name="line.828"></a> +<span class="sourceLineNo">829</span> // ==========================================================================<a name="line.829"></a> +<span class="sourceLineNo">830</span> // Submit/Remove Chores<a name="line.830"></a> +<span class="sourceLineNo">831</span> // ==========================================================================<a name="line.831"></a> +<span class="sourceLineNo">832</span><a name="line.832"></a> +<span class="sourceLineNo">833</span> /**<a name="line.833"></a> +<span class="sourceLineNo">834</span> * Add a chore procedure to the executor<a name="line.834"></a> +<span class="sourceLineNo">835</span> * @param chore the chore to add<a name="line.835"></a> +<span class="sourceLineNo">836</span> */<a name="line.836"></a> +<span class="sourceLineNo">837</span> public void addChore(ProcedureInMemoryChore<TEnvironment> chore) {<a name="line.837"></a> +<span class="sourceLineNo">838</span> chore.setState(ProcedureState.WAITING_TIMEOUT);<a name="line.838"></a> +<span class="sourceLineNo">839</span> timeoutExecutor.add(chore);<a name="line.839"></a> +<span class="sourceLineNo">840</span> }<a name="line.840"></a> +<span class="sourceLineNo">841</span><a name="line.841"></a> +<span class="sourceLineNo">842</span> /**<a name="line.842"></a> +<span class="sourceLineNo">843</span> * Remove a chore procedure from the executor<a name="line.843"></a> +<span class="sourceLineNo">844</span> * @param chore the chore to remove<a name="line.844"></a> +<span class="sourceLineNo">845</span> * @return whether the chore is removed, or it will be removed later<a name="line.845"></a> <span class="sourceLineNo">846</span> */<a name="line.846"></a> -<span class="sourceLineNo">847</span> public void addChore(ProcedureInMemoryChore<TEnvironment> chore) {<a name="line.847"></a> -<span class="sourceLineNo">848</span> chore.setState(ProcedureState.WAITING_TIMEOUT);<a name="line.848"></a> -<span class="sourceLineNo">849</span> timeoutExecutor.add(chore);<a name="line.849"></a> +<span class="sourceLineNo">847</span> public boolean removeChore(ProcedureInMemoryChore<TEnvironment> chore) {<a name="line.847"></a> +<span class="sourceLineNo">848</span> chore.setState(ProcedureState.SUCCESS);<a name="line.848"></a> +<span class="sourceLineNo">849</span> return timeoutExecutor.remove(chore);<a name="line.849"></a> <span class="sourceLineNo">850</span> }<a name="line.850"></a> <span class="sourceLineNo">851</span><a name="line.851"></a> -<span class="sourceLineNo">852</span> /**<a name="line.852"></a> -<span class="sourceLineNo">853</span> * Remove a chore procedure from the executor<a name="line.853"></a> -<span class="sourceLineNo">854</span> * @param chore the chore to remove<a name="line.854"></a> -<span class="sourceLineNo">855</span> * @return whether the chore is removed, or it will be removed later<a name="line.855"></a> -<span class="sourceLineNo">856</span> */<a name="line.856"></a> -<span class="sourceLineNo">857</span> public boolean removeChore(ProcedureInMemoryChore<TEnvironment> chore) {<a name="line.857"></a> -<span class="sourceLineNo">858</span> chore.setState(ProcedureState.SUCCESS);<a name="line.858"></a> -<span class="sourceLineNo">859</span> return timeoutExecutor.remove(chore);<a name="line.859"></a> -<span class="sourceLineNo">860</span> }<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> // Nonce Procedure helpers<a name="line.863"></a> -<span class="sourceLineNo">864</span> // ==========================================================================<a name="line.864"></a> +<span class="sourceLineNo">852</span> // ==========================================================================<a name="line.852"></a> +<span class="sourceLineNo">853</span> // Nonce Procedure helpers<a name="line.853"></a> +<span class="sourceLineNo">854</span> // ==========================================================================<a name="line.854"></a> +<span class="sourceLineNo">855</span> /**<a name="line.855"></a> +<span class="sourceLineNo">856</span> * Create a NoneKey from the specified nonceGroup and nonce.<a name="line.856"></a> +<span class="sourceLineNo">857</span> * @param nonceGroup<a name="line.857"></a> +<span class="sourceLineNo">858</span> * @param nonce<a name="line.858"></a> +<span class="sourceLineNo">859</span> * @return the generated NonceKey<a name="line.859"></a> +<span class="sourceLineNo">860</span> */<a name="line.860"></a> +<span class="sourceLineNo">861</span> public NonceKey createNonceKey(final long nonceGroup, final long nonce) {<a name="line.861"></a> +<span class="sourceLineNo">862</span> return (nonce == HConstants.NO_NONCE) ? null : new NonceKey(nonceGroup, nonce);<a name="line.862"></a> +<span class="sourceLineNo">863</span> }<a name="line.863"></a> +<span class="sourceLineNo">864</span><a name="line.864"></a> <span class="sourceLineNo">865</span> /**<a name="line.865"></a> -<span class="sourceLineNo">866</span> * Create a NoneKey from the specified nonceGroup and nonce.<a name="line.866"></a> -<span class="sourceLineNo">867</span> * @param nonceGroup<a name="line.867"></a> -<span class="sourceLineNo">868</span> * @param nonce<a name="line.868"></a> -<span class="sourceLineNo">869</span> * @return the generated NonceKey<a name="line.869"></a> -<span class="sourceLineNo">870</span> */<a name="line.870"></a> -<span class="sourceLineNo">871</span> public NonceKey createNonceKey(final long nonceGroup, final long nonce) {<a name="line.871"></a> -<span class="sourceLineNo">872</span> return (nonce == HConstants.NO_NONCE) ? null : new NonceKey(nonceGroup, nonce);<a name="line.872"></a> -<span class="sourceLineNo">873</span> }<a name="line.873"></a> -<span class="sourceLineNo">874</span><a name="line.874"></a> -<span class="sourceLineNo">875</span> /**<a name="line.875"></a> -<span class="sourceLineNo">876</span> * Register a nonce for a procedure that is going to be submitted.<a name="line.876"></a> -<span class="sourceLineNo">877</span> * A procId will be reserved and on submitProcedure(),<a name="line.877"></a> -<span class="sourceLineNo">878</span> * the procedure with the specified nonce will take the reserved ProcId.<a name="line.878"></a> -<span class="sourceLineNo">879</span> * If someone already reserved the nonce, this method will return the procId reserved,<a name="line.879"></a> -<span class="sourceLineNo">880</span> * otherwise an invalid procId will be returned. and the caller should procede<a name="line.880"></a> -<span class="sourceLineNo">881</span> * and submit the procedure.<a name="line.881"></a> -<span class="sourceLineNo">882</span> *<a name="line.882"></a> -<span class="sourceLineNo">883</span> * @param nonceKey A unique identifier for this operation from the client or process.<a name="line.883"></a> -<span class="sourceLineNo">884</span> * @return the procId associated with the nonce, if any otherwise an invalid procId.<a name="line.884"></a> -<span class="sourceLineNo">885</span> */<a name="line.885"></a> -<span class="sourceLineNo">886</span> public long registerNonce(final NonceKey nonceKey) {<a name="line.886"></a> -<span class="sourceLineNo">887</span> if (nonceKey == null) return -1;<a name="line.887"></a> +<span class="sourceLineNo">866</span> * Register a nonce for a procedure that is going to be submitted.<a name="line.866"></a> +<span class="sourceLineNo">867</span> * A procId will be reserved and on submitProcedure(),<a name="line.867"></a> +<span class="sourceLineNo">868</span> * the procedure with the specified nonce will take the reserved ProcId.<a name="line.868"></a> +<span class="sourceLineNo">869</span> * If someone already reserved the nonce, this method will return the procId reserved,<a name="line.869"></a> +<span class="sourceLineNo">870</span> * otherwise an invalid procId will be returned. and the caller should procede<a name="line.870"></a> +<span class="sourceLineNo">871</span> * and submit the procedure.<a name="line.871"></a> +<span class="sourceLineNo">872</span> *<a name="line.872"></a> +<span class="sourceLineNo">873</span> * @param nonceKey A unique identifier for this operation from the client or process.<a name="line.873"></a> +<span class="sourceLineNo">874</span> * @return the procId associated with the nonce, if any otherwise an invalid procId.<a name="line.874"></a> +<span class="sourceLineNo">875</span> */<a name="line.875"></a> +<span class="sourceLineNo">876</span> public long registerNonce(final NonceKey nonceKey) {<a name="line.876"></a> +<span class="sourceLineNo">877</span> if (nonceKey == null) return -1;<a name="line.877"></a> +<span class="sourceLineNo">878</span><a name="line.878"></a> +<span class="sourceLineNo">879</span> // check if we have already a Reserved ID for the nonce<a name="line.879"></a> +<span class="sourceLineNo">880</span> Long oldProcId = nonceKeysToProcIdsMap.get(nonceKey);<a name="line.880"></a> +<span class="sourceLineNo">881</span> if (oldProcId == null) {<a name="line.881"></a> +<span class="sourceLineNo">882</span> // reserve a new Procedure ID, this will be associated with the nonce<a name="line.882"></a> +<span class="sourceLineNo">883</span> // and the procedure submitted with the specified nonce will use this ID.<a name="line.883"></a> +<span class="sourceLineNo">884</span> final long newProcId = nextProcId();<a name="line.884"></a> +<span class="sourceLineNo">885</span> oldProcId = nonceKeysToProcIdsMap.putIfAbsent(nonceKey, newProcId);<a name="line.885"></a> +<span class="sourceLineNo">886</span> if (oldProcId == null) return -1;<a name="line.886"></a> +<span class="sourceLineNo">887</span> }<a name="line.887"></a> <span class="sourceLineNo">888</span><a name="line.888"></a> -<span class="sourceLineNo">889</span> // check if we have already a Reserved ID for the nonce<a name="line.889"></a> -<span class="sourceLineNo">890</span> Long oldProcId = nonceKeysToProcIdsMap.get(nonceKey);<a name="line.890"></a> -<span class="sourceLineNo">891</span> if (oldProcId == null) {<a name="line.891"></a> -<span class="sourceLineNo">892</span> // reserve a new Procedure ID, this will be associated with the nonce<a name="line.892"></a> -<span class="sourceLineNo">893</span> // and the procedure submitted with the specified nonce will use this ID.<a name="line.893"></a> -<span class="sourceLineNo">894</span> final long newProcId = nextProcId();<a name="line.894"></a> -<span class="sourceLineNo">895</span> oldProcId = nonceKeysToProcIdsMap.putIfAbsent(nonceKey, newProcId);<a name="line.895"></a> -<span class="sourceLineNo">896</span> if (oldProcId == null) return -1;<a name="line.896"></a> -<span class="sourceLineNo">897</span> }<a name="line.897"></a> -<span class="sourceLineNo">898</span><a name="line.898"></a> -<span class="sourceLineNo">899</span> // we found a registered nonce, but the procedure may not have been submitted yet.<a name="line.899"></a> -<span class="sourceLineNo">900</span> // since the client expect the procedure to be submitted, spin here until it is.<a name="line.900"></a> -<span class="sourceLineNo">901</span> final boolean traceEnabled = LOG.isTraceEnabled();<a name="line.901"></a> -<span class="sourceLineNo">902</span> while (isRunning() &&<a name="line.902"></a> -<span class="sourceLineNo">903</span> !(procedures.containsKey(oldProcId) || completed.containsKey(oldProcId)) &&<a name="line.903"></a> -<span class="sourceLineNo">904</span> nonceKeysToProcIdsMap.containsKey(nonceKey)) {<a name="line.904"></a> -<span class="sourceLineNo">905</span> if (traceEnabled) {<a name="line.905"></a> -<span class="sourceLineNo">906</span> LOG.trace("Waiting for pid=" + oldProcId.longValue() + " to be submitted");<a name="line.906"></a> -<span class="sourceLineNo">907</span> }<a name="line.907"></a> -<span class="sourceLineNo">908</span> Threads.sleep(100);<a name="line.908"></a> -<span class="sourceLineNo">909</span> }<a name="line.909"></a> -<span class="sourceLineNo">910</span> return oldProcId.longValue();<a name="line.910"></a> -<span class="sourceLineNo">911</span> }<a name="line.911"></a> +<span class="sourceLineNo">889</span> // we found a registered nonce, but the procedure may not have been submitted yet.<a name="line.889"></a> +<span class="sourceLineNo">890</span> // since the client expect the procedure to be submitted, spin here until it is.<a name="line.890"></a> +<span class="sourceLineNo">891</span> final boolean traceEnabled = LOG.isTraceEnabled();<a name="line.891"></a> +<span class="sourceLineNo">892</span> while (isRunning() &&<a name="line.892"></a> +<span class="sourceLineNo">893</span> !(procedures.containsKey(oldProcId) || completed.containsKey(oldProcId)) &&<a name="line.893"></a> +<span class="sourceLineNo">894</span> nonceKeysToProcIdsMap.containsKey(nonceKey)) {<a name="line.894"></a> +<span class="sourceLineNo">895</span> if (traceEnabled) {<a name="line.895"></a> +<span class="sourceLineNo">896</span> LOG.trace("Waiting for pid=" + oldProcId.longValue() + " to be submitted");<a name="line.896"></a> +<span class="sourceLineNo">897</span> }<a name="line.897"></a> +<span class="sourceLineNo">898</span> Threads.sleep(100);<a name="line.898"></a> +<span class="sourceLineNo">899</span> }<a name="line.899"></a> +<span class="sourceLineNo">900</span> return oldProcId.longValue();<a name="line.900"></a> +<span class="sourceLineNo">901</span> }<a name="line.901"></a> +<span class="sourceLineNo">902</span><a name="line.902"></a> +<span class="sourceLineNo">903</span> /**<a name="line.903"></a> +<span class="sourceLineNo">904</span> * Remove the NonceKey if the procedure was not submitted to the executor.<a name="line.904"></a> +<span class="sourceLineNo">905</span> * @param nonceKey A unique identifier for this operation from the client or process.<a name="line.905"></a> +<span class="sourceLineNo">906</span> */<a name="line.906"></a> +<span class="sourceLineNo">907</span> public void unregisterNonceIfProcedureWasNotSubmitted(final NonceKey nonceKey) {<a name="line.907"></a> +<span class="sourceLineNo">908</span> if (nonceKey == null) return;<a name="line.908"></a> +<span class="sourceLineNo">909</span><a name="line.909"></a> +<span class="sourceLineNo">910</span> final Long procId = nonceKeysToProcIdsMap.get(nonceKey);<a name="line.910"></a> +<span class="sourceLineNo">911</span> if (procId == null) return;<a name="line.911"></a> <span class="sourceLineNo">912</span><a name="line.912"></a> -<span class="sourceLineNo">913</span> /**<a name="line.913"></a> -<span class="sourceLineNo">914</span> * Remove the NonceKey if the procedure was not submitted to the executor.<a name="line.914"></a> -<span class="sourceLineNo">915</span> * @param nonceKey A unique identifier for this operation from the client or process.<a name="line.915"></a> -<span class="sourceLineNo">916</span> */<a name="line.916"></a> -<span class="sourceLineNo">917</span> public void unregisterNonceIfProcedureWasNotSubmitted(final NonceKey nonceKey) {<a name="line.917"></a> -<span class="sourceLineNo">918</span> if (nonceKey == null) return;<a name="line.918"></a> -<span class="sourceLineNo">919</span><a name="line.919"></a> -<span class="sourceLineNo">920</span> final Long procId = nonceKeysToProcIdsMap.get(nonceKey);<a name="line.920"></a> -<span class="sourceLineNo">921</span> if (procId == null) return;<a name="line.921"></a> -<span class="sourceLineNo">922</span><a name="line.922"></a> -<span class="sourceLineNo">923</span> // if the procedure was not submitted, remove the nonce<a name="line.923"></a> -<span class="sourceLineNo">924</span> if (!(procedures.containsKey(procId) || completed.containsKey(procId))) {<a name="line.924"></a> -<span class="sourceLineNo">925</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.925"></a> -<span class="sourceLineNo">926</span> }<a name="line.926"></a> -<span class="sourceLineNo">927</span> }<a name="line.927"></a> -<span class="sourceLineNo">928</span><a name="line.928"></a> -<span class="sourceLineNo">929</span> public static class FailedProcedure<TEnvironment> extends Procedure<TEnvironment> {<a name="line.929"></a> -<span class="sourceLineNo">930</span> private String procName;<a name="line.930"></a> -<span class="sourceLineNo">931</span><a name="line.931"></a> -<span class="sourceLineNo">932</span> public FailedProcedure() {<a name="line.932"></a> -<span class="sourceLineNo">933</span> }<a name="line.933"></a> -<span class="sourceLineNo">934</span><a name="line.934"></a> -<span class="sourceLineNo">935</span> public FailedProcedure(long procId, String procName, User owner,<a name="line.935"></a> -<span class="sourceLineNo">936</span> NonceKey nonceKey, IOException exception) {<a name="line.936"></a> -<span class="sourceLineNo">937</span> this.procName = procName;<a name="line.937"></a> -<span class="sourceLineNo">938</span> setProcId(procId);<a name="line.938"></a> -<span class="sourceLineNo">939</span> setState(ProcedureState.ROLLEDBACK);<a name="line.939"></a> -<span class="sourceLineNo">940</span> setOwner(owner);<a name="line.940"></a> -<span class="sourceLineNo">941</span> setNonceKey(nonceKey);<a name="line.941"></a> -<span class="sourceLineNo">942</span> long currentTime = EnvironmentEdgeManager.currentTime();<a name="line.942"></a> -<span class="sourceLineNo">943</span> setSubmittedTime(currentTime);<a name="line.943"></a> -<span class="sourceLineNo">944</span> setLastUpdate(currentTime);<a name="line.944"></a> -<span class="sourceLineNo">945</span> setFailure(Objects.toString(exception.getMessage(), ""), exception);<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> public String getProcName() {<a name="line.949"></a> -<span class="sourceLineNo">950</span> return procName;<a name="line.950"></a> -<span class="sourceLineNo">951</span> }<a name="line.951"></a> -<span class="sourceLineNo">952</span><a name="line.952"></a> -<span class="sourceLineNo">953</span> @Override<a name="line.953"></a> -<span class="sourceLineNo">954</span> protected Procedure<TEnvironment>[] execute(TEnvironment env)<a name="line.954"></a> -<span class="sourceLineNo">955</span> throws ProcedureYieldException, ProcedureSuspendedException,<a name="line.955"></a> -<span class="sourceLineNo">956</span> InterruptedException {<a name="line.956"></a> -<span class="sourceLineNo">957</span> throw new UnsupportedOperationException();<a name="line.957"></a> -<span class="sourceLineNo">958</span> }<a name="line.958"></a> -<span class="sourceLineNo">959</span><a name="line.959"></a> -<span class="sourceLineNo">960</span> @Override<a name="line.960"></a> -<span class="sourceLineNo">961</span> protected void rollback(TEnvironment env)<a name="line.961"></a> -<span class="sourceLineNo">962</span> throws IOException, InterruptedException {<a name="line.962"></a> -<span class="sourceLineNo">963</span> throw new UnsupportedOperationException();<a name="line.963"></a> +<span class="sourceLineNo">913</span> // if the procedure was not submitted, remove the nonce<a name="line.913"></a> +<span class="sourceLineNo">914</span> if (!(procedures.containsKey(procId) || completed.containsKey(procId))) {<a name="line.914"></a> +<span class="sourceLineNo">915</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.915"></a> +<span class="sourceLineNo">916</span> }<a name="line.916"></a> +<span class="sourceLineNo">917</span> }<a name="line.917"></a> +<span class="sourceLineNo">918</span><a name="line.918"></a> +<span class="sourceLineNo">919</span> public static class FailedProcedure<TEnvironment> extends Procedure<TEnvironment> {<a name="line.919"></a> +<span class="sourceLineNo">920</span> private String procName;<a name="line.920"></a> +<span class="sourceLineNo">921</span><a name="line.921"></a> +<span class="sourceLineNo">922</span> public FailedProcedure() {<a name="line.922"></a> +<span class="sourceLineNo">923</span> }<a name="line.923"></a> +<span class="sourceLineNo">924</span><a name="line.924"></a> +<span class="sourceLineNo">925</span> public FailedProcedure(long procId, String procName, User owner,<a name="line.925"></a> +<span class="sourceLineNo">926</span> NonceKey nonceKey, IOException exception) {<a name="line.926"></a> +<span class="sourceLineNo">927</span> this.procName = procName;<a name="line.927"></a> +<span class="sourceLineNo">928</span> setProcId(procId);<a name="line.928"></a> +<span class="sourceLineNo">929</span> setState(ProcedureState.ROLLEDBACK);<a name="line.929"></a> +<span class="sourceLineNo">930</span> setOwner(owner);<a name="line.930"></a> +<span class="sourceLineNo">931</span> setNonceKey(nonceKey);<a name="line.931"></a> +<span class="sourceLineNo">932</span> long currentTime = EnvironmentEdgeManager.currentTime();<a name="line.932"></a> +<span class="sourceLineNo">933</span> setSubmittedTime(currentTime);<a name="line.933"></a> +<span class="sourceLineNo">934</span> setLastUpdate(currentTime);<a name="line.934"></a> +<span class="sourceLineNo">935</span> setFailure(Objects.toString(exception.getMessage(), ""), exception);<a name="line.935"></a> +<span class="sourceLineNo">936</span> }<a name="line.936"></a> +<span class="sourceLineNo">937</span><a name="line.937"></a> +<span class="sourceLineNo">938</span> @Override<a name="line.938"></a> +<span class="sourceLineNo">939</span> public String getProcName() {<a name="line.939"></a> +<span class="sourceLineNo">940</span> return procName;<a name="line.940"></a> +<span class="sourceLineNo">941</span> }<a name="line.941"></a> +<span class="sourceLineNo">942</span><a name="line.942"></a> +<span class="sourceLineNo">943</span> @Override<a name="line.943"></a> +<span class="sourceLineNo">944</span> protected Procedure<TEnvironment>[] execute(TEnvironment env)<a name="line.944"></a> +<span class="sourceLineNo">945</span> throws ProcedureYieldException, ProcedureSuspendedException,<a name="line.945"></a> +<span class="sourceLineNo">946</span> InterruptedException {<a name="line.946"></a> +<span class="sourceLineNo">947</span> throw new UnsupportedOperationException();<a name="line.947"></a> +<span class="sourceLineNo">948</span> }<a name="line.948"></a> +<span class="sourceLineNo">949</span><a name="line.949"></a> +<span class="sourceLineNo">950</span> @Override<a name="line.950"></a> +<span class="sourceLineNo">951</span> protected void rollback(TEnvironment env)<a name="line.951"></a> +<span class="sourceLineNo">952</span> throws IOException, InterruptedException {<a name="line.952"></a> +<span class="sourceLineNo">953</span> throw new UnsupportedOperationException();<a name="line.953"></a> +<span class="sourceLineNo">954</span> }<a name="line.954"></a> +<span class="sourceLineNo">955</span><a name="line.955"></a> +<span class="sourceLineNo">956</span> @Override<a name="line.956"></a> +<span class="sourceLineNo">957</span> protected boolean abort(TEnvironment env) {<a name="line.957"></a> +<span class="sourceLineNo">958</span> throw new UnsupportedOperationException();<a name="line.958"></a> +<span class="sourceLineNo">959</span> }<a name="line.959"></a> +<span class="sourceLineNo">960</span><a name="line.960"></a> +<span class="sourceLineNo">961</span> @Override<a name="line.961"></a> +<span class="sourceLineNo">962</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.962"></a> +<span class="sourceLineNo">963</span> throws IOException {<a name="line.963"></a> <span class="sourceLineNo">964</span> }<a name="line.964"></a> <span class="sourceLineNo">965</span><a name="line.965"></a> <span class="sourceLineNo">966</span> @Override<a name="line.966"></a> -<span class="sourceLineNo">967</span> protected boolean abort(TEnvironment env) {<a name="line.967"></a> -<span class="sourceLineNo">968</span> throw new UnsupportedOperationException();<a name="line.968"></a> +<span class="sourceLineNo">967</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.967"></a> +<span class="sourceLineNo">968</span> throws IOException {<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> @Override<a name="line.971"></a> -<span class="sourceLineNo">972</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.972"></a> -<span class="sourceLineNo">973</span> throws IOException {<a name="line.973"></a> -<span class="sourceLineNo">974</span> }<a name="line.974"></a> -<span class="sourceLineNo">975</span><a name="line.975"></a> -<span class="sourceLineNo">976</span> @Override<a name="line.976"></a> -<span class="sourceLineNo">977</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.977"></a> -<span class="sourceLineNo">978</span> throws IOException {<a name="line.978"><
<TRUNCATED>
