Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/544#discussion_r11980818
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/LiveListenerBus.scala ---
@@ -73,16 +81,17 @@ private[spark] class LiveListenerBus extends
SparkListenerBus with Logging {
"rate at which tasks are being started by the scheduler.")
queueFullErrorMessageLogged = true
}
+ eventLock.release()
--- End diff --
Maybe we can only send release if eventAdded. It's a minor detail but would
also mean that event should never be null, which should (slightly) help the bus
to catch up with the workload.
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