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https://issues.apache.org/jira/browse/SPARK-22050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16169919#comment-16169919
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Apache Spark commented on SPARK-22050:
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User 'michaelmior' has created a pull request for this issue:
https://github.com/apache/spark/pull/19263
> Allow BlockUpdated events to be optionally logged to the event log
> ------------------------------------------------------------------
>
> Key: SPARK-22050
> URL: https://issues.apache.org/jira/browse/SPARK-22050
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Michael Mior
> Priority: Minor
>
> I see that block updates are not logged to the event log.
> This makes sense as a default for performance reasons.
> However, I find it helpful when trying to get a better understanding of
> caching for a job to be able to log these updates.
> This PR adds a configuration setting {{spark.eventLog.blockUpdates}}
> (defaulting to false) which allows block updates to be recorded in the log.
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