tenglei commented on code in PR #38181:
URL: https://github.com/apache/spark/pull/38181#discussion_r990975571
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core/src/main/scala/org/apache/spark/scheduler/AsyncEventQueue.scala:
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@@ -154,8 +154,9 @@ private class AsyncEventQueue(
return
}
- eventCount.incrementAndGet()
- if (eventQueue.offer(event)) {
+ if (eventQueue.offer(event, conf.get(LISTENER_BUS_EVENT_QUEUE_TIMEOUT),
+ TimeUnit.MILLISECONDS)) {
Review Comment:
> the event subsystem has been written to ensure it continues to work with
lost events and prioritize stability of internal subsystems by remaining non
blocking
Yes, it seems better to speed up the consumption of spark events in
eventQueue, for example by using more threads rather than a single thread
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