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https://issues.apache.org/jira/browse/SPARK-36798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mridul Muralidharan resolved SPARK-36798.
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Fix Version/s: 3.3.0
Resolution: Fixed
Issue resolved by pull request 34039
[https://github.com/apache/spark/pull/34039]
> When SparkContext is stopped, metrics system should be flushed after
> listeners have finished processing
> -------------------------------------------------------------------------------------------------------
>
> Key: SPARK-36798
> URL: https://issues.apache.org/jira/browse/SPARK-36798
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.3.2
> Reporter: Harsh Panchal
> Assignee: Harsh Panchal
> Priority: Minor
> Fix For: 3.3.0
>
>
> In current implementation, when {{SparkContext.stop()}} is called,
> {{metricsSystem.report()}} is called before {{listenerBus.stop()}}. In this
> case, if some listener is producing some metrics, they would never reach sink.
> Background:
> We have some ingestion jobs in Spark Structured Streaming. To monitor them,
> collect some metrics like number of input rows, trigger time etc. from
> {{QueryProgressEvent}} received via {{StreamingQueryListener}}. These metrics
> are then pushed to DB by custom sinks registered in {{MetricsSystem}}. We
> noticed that these metrics are lost occasionally for last batch.
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