Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/14269#discussion_r71406712
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/LiveListenerBus.scala ---
@@ -32,18 +32,17 @@ import org.apache.spark.util.Utils
* has started will events be actually propagated to all attached
listeners. This listener bus
* is stopped when `stop()` is called, and it will drop further events
after stopping.
*/
-private[spark] class LiveListenerBus extends SparkListenerBus {
+private[spark] class LiveListenerBus(val sparkContext: SparkContext)
extends SparkListenerBus {
self =>
import LiveListenerBus._
- private var sparkContext: SparkContext = null
-
// Cap the capacity of the event queue so we get an explicit error
(rather than
// an OOM exception) if it's perpetually being added to more quickly
than it's being drained.
- private val EVENT_QUEUE_CAPACITY = 10000
- private val eventQueue = new
LinkedBlockingQueue[SparkListenerEvent](EVENT_QUEUE_CAPACITY)
+ private lazy val EVENT_QUEUE_CAPACITY = sparkContext.conf.
+ getInt("spark.scheduler.listenerbus.eventqueue.size", 10000)
--- End diff --
should use a ConfigEntry for this
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