akalash commented on a change in pull request #15375:
URL: https://github.com/apache/flink/pull/15375#discussion_r604751564
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
##########
@@ -535,41 +545,82 @@ protected void beforeInvoke() throws Exception {
// -------- Invoke --------
LOG.debug("Invoking {}", getName());
+ SuspendableMailboxLoop suspendableLoop =
mailboxProcessor.getSuspendableLoop();
+
// we need to make sure that any triggers scheduled in open() cannot be
// executed before all operators are opened
- actionExecutor.runThrowing(
- () -> {
- SequentialChannelStateReader reader =
- getEnvironment()
- .getTaskStateManager()
- .getSequentialChannelStateReader();
- reader.readOutputData(
- getEnvironment().getAllWriters(),
- !configuration.isGraphContainingLoops());
-
- operatorChain.initializeStateAndOpenOperators(
- createStreamTaskStateInitializer());
-
- channelIOExecutor.execute(
- () -> {
- try {
-
reader.readInputData(getEnvironment().getAllInputGates());
- } catch (Exception e) {
- asyncExceptionHandler.handleAsyncException(
- "Unable to read channel state", e);
- }
- });
+ CompletableFuture<Void> allGatesRecoveredFuture =
+ actionExecutor.call(
+ () -> {
Review comment:
It is exactly what I want to do. In fact, I already did it in a separate
commit but I didn't push it yet.
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