boyuanzz commented on a change in pull request #13105:
URL: https://github.com/apache/beam/pull/13105#discussion_r512926708
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File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
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@@ -1315,7 +1316,7 @@ void processPendingProcessingTimeTimers() {
keyedStateBackend.setCurrentKey(internalTimer.getKey());
TimerData timer = internalTimer.getNamespace();
checkInvokeStartBundle();
- fireTimer(timer);
+ fireTimerInternal((ByteBuffer) internalTimer.getKey(), timer);
Review comment:
I think so. The only difference is that `fireTimerInternal` will grab
the lock and set the key for state backend, which is helpful when the state is
needed. Another potential bug around here is that Flink operator will clean up
global state first then fire the timer, which may lead to data loss if firing
timer is for retrieving the state.
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