jeffkbkim commented on a change in pull request #8935:
URL: https://github.com/apache/kafka/pull/8935#discussion_r454035533
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File path: core/src/main/scala/kafka/controller/ControllerEventManager.scala
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@@ -139,4 +140,19 @@ class ControllerEventManager(controllerId: Int,
}
}
+ private def pollFromEventQueue(): QueuedEvent = {
+ val count = eventQueueTimeHist.count()
Review comment:
@junrao I'm not sure I follow. If there are no more events in the queue
(`count != 0`), we'd like the histogram to reset after a specified timeout.
`count` will always be a non-zero value until we reset the histogram.
If we block on queue.take() forever even when `count != 0`, wouldn't that
behave the same way as before? In which case do you suggest resetting?
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