metaswirl commented on a change in pull request #18689:
URL: https://github.com/apache/flink/pull/18689#discussion_r805707527
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/StateWithExecutionGraph.java
##########
@@ -306,22 +331,88 @@ void deliverOperatorEventToCoordinator(
operatorId, request);
}
+ /** Transition to different state when failure occurs. Stays in the same
state by default. */
+ abstract void onFailure(Throwable cause);
+
+ /**
+ * Transition to different state when the execution graph reaches a
globally terminal state.
+ *
+ * @param globallyTerminalState globally terminal state which the
execution graph reached
+ */
+ abstract void onGloballyTerminalState(JobStatus globallyTerminalState);
+
+ @Override
+ public void handleGlobalFailure(Throwable cause) {
+ failureCollection.add(new GlobalFailure(cause));
+ onFailure(cause);
+ }
+
/**
* Updates the execution graph with the given task execution state
transition.
*
* @param taskExecutionStateTransition taskExecutionStateTransition to
update the ExecutionGraph
* with
* @return {@code true} if the update was successful; otherwise {@code
false}
*/
- abstract boolean updateTaskExecutionState(
- TaskExecutionStateTransition taskExecutionStateTransition);
+ boolean updateTaskExecutionState(TaskExecutionStateTransition
taskExecutionStateTransition) {
+ if (taskExecutionStateTransition.getExecutionState() !=
ExecutionState.FAILED) {
+ return
getExecutionGraph().updateState(taskExecutionStateTransition);
+ }
- /**
- * Callback which is called once the execution graph reaches a globally
terminal state.
- *
- * @param globallyTerminalState globally terminal state which the
execution graph reached
- */
- abstract void onGloballyTerminalState(JobStatus globallyTerminalState);
+ // We need to collect the ExecutionVertexID before updating the state,
because the Execution
+ // is de-registered afterwards.
+ // We need to use an optional here, because this method can be called
even after the
+ // Execution is de-registered.
+ Optional<ExecutionVertexID> idOpt =
+
executionGraph.findExecutionVertexId(taskExecutionStateTransition.getID());
+ final boolean successfulUpdate =
+ getExecutionGraph().updateState(taskExecutionStateTransition);
+ if (!successfulUpdate) {
+ return false;
+ }
+
+ Throwable cause =
extractErrorOrUseDefault(taskExecutionStateTransition);
+
+ checkState(idOpt.isPresent());
+ ExecutionVertexID id = idOpt.get();
+
+ if (getNonEmptyExecution(id).getFailureInfo().isPresent()) {
+ failureCollection.add(new LocalFailure(cause, id));
+ }
+ onFailure(cause);
+ return true;
Review comment:
Sorry, I missed your edit above.
This comparison `newState == desiredState` means, that the scheduler only
restarts when the Task is failing. Not sure why exactly, but this fails some
tests (e.g. ExecutingTest).
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