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customsparklistener's Introduction

Custom Spark Listener

Creating an example of creating a new custom spark listener

What is spark listener?

  • Better metrics/observability for Spark applications

Demo

22/03/20 09:03:11 INFO TestCustomSparkListnerApp$: End TestCustomSparkListenerApp
22/03/20 09:03:11 INFO CustomSparkListener: ***************** Aggregate metrics *****************************
22/03/20 09:03:11 INFO CustomSparkListener: * Jobs = 1, Stages = 1, Tasks = 8
22/03/20 09:03:11 INFO CustomSparkListener: * Executor runtime = 32ms, Records Read = 0, Records written = 0
22/03/20 09:03:11 INFO CustomSparkListener: *****************************************************************

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