StefanRRichter commented on a change in pull request #7568: [FLINK-11417] Make
access to ExecutionGraph single threaded from JobMaster main thread
URL: https://github.com/apache/flink/pull/7568#discussion_r250986365
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/SingleLogicalSlot.java
##########
@@ -169,23 +168,19 @@ public void release(Throwable cause) {
releaseFuture.complete(null);
}
- private CompletableFuture<?> signalPayloadRelease(Throwable cause) {
+ private void signalPayloadRelease(Throwable cause) {
tryAssignPayload(TERMINATED_PAYLOAD);
- payload.fail(cause);
-
- return payload.getTerminalStateFuture();
+ payload.failAsync(cause); //TODO this goes from the pool
against the execution, has to by sync'ed back into the jm main thread
}
private void returnSlotToOwner(CompletableFuture<?>
terminalStateFuture) {
- final CompletableFuture<Boolean> slotReturnFuture =
terminalStateFuture.handle((Object ignored, Throwable throwable) -> {
+ terminalStateFuture.handle((Object ignored, Throwable
throwable) -> {
if (state == State.RELEASING) {
return slotOwner.returnAllocatedSlot(this);
} else {
return CompletableFuture.completedFuture(true);
}
- }).thenCompose(Function.identity());
-
- slotReturnFuture.whenComplete(
+ }).whenComplete( //TODO this could be inside the job master
main thread, should be inside slot pool main thread
Review comment:
Good catch, yes that was a clear mistake :-(
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