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https://issues.apache.org/jira/browse/SPARK-36215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-36215:
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Assignee: Apache Spark
> Add logging for slow fetches to diagnose external shuffle service issues
> ------------------------------------------------------------------------
>
> Key: SPARK-36215
> URL: https://issues.apache.org/jira/browse/SPARK-36215
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle
> Affects Versions: 3.2.0
> Reporter: Shardul Mahadik
> Assignee: Apache Spark
> Priority: Trivial
>
> Currently we can see from the metrics that a task or stage has slow fetches,
> and the logs indicate _all_ of the shuffle servers those tasks were fetching
> from, but often this is a big set (dozens or even hundreds) and narrowing
> down which one caused issues can be very difficult. We should add some
> logging when a fetch is "slow" as determined by some preconfigured thresholds.
>
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