Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/366#discussion_r11423681
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/LiveListenerBus.scala ---
@@ -36,6 +36,7 @@ private[spark] class LiveListenerBus extends
SparkListenerBus with Logging {
private val eventQueue = new
LinkedBlockingQueue[SparkListenerEvent](EVENT_QUEUE_CAPACITY)
private var queueFullErrorMessageLogged = false
private var started = false
+ private var sparkListenerBus: Option[Thread] = _
--- End diff --
This doesn't have to be an option, you can move the declaration of the
thread up here, and do thread.start() in `start()`. Also, a better name for
this would be something like `listenerThread`
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