How to increase Spark listener bus event queue capacity?

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I am running a scheduler in Spark. I am facing a problem with the listener bus. The problem is that the listener events are getting dropped. So, I want to increase the capacity of the listener bus to hold more event queue. How can I do this?
Mar 11 in Apache Spark by Khan
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The default capacity of listener bus is set to 10000. Try changing it to 20000:

val sc = new SparkContext(new SparkConf())
./bin/spark-submit <all your existing options> --spark.scheduler.listenerbus.eventqueue.capacity=20000
answered Mar 11 by Raj

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