Aitozi commented on a change in pull request #8523: [FLINK-12481][runtime]
Invoke timer callback in task thread (via mailbox)
URL: https://github.com/apache/flink/pull/8523#discussion_r287637082
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
##########
@@ -1358,4 +1358,19 @@ public void actionsUnavailable() throws
InterruptedException {
mailbox.putMail(actionUnavailableLetter);
}
}
+
+ private class TimerInvocationContext implements
SystemProcessingTimeService.ScheduledCallbackExecutionContext {
+ @Override
+ public void invoke(ProcessingTimeCallback callback, long
timestamp) throws InterruptedException {
+ mailbox.putMail(() -> {
+ synchronized (getCheckpointLock()) {
Review comment:
Does here still have to require the checkpointLock? I think it has
synchronized by mailbox.
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