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https://issues.apache.org/jira/browse/SPARK-36784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-36784:
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Assignee: Apache Spark
> Handle DNS failures in Executor without causing FetchFailed
> -----------------------------------------------------------
>
> Key: SPARK-36784
> URL: https://issues.apache.org/jira/browse/SPARK-36784
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 2.3.0
> Reporter: Thejdeep Gudivada
> Assignee: Apache Spark
> Priority: Major
> Fix For: 3.3.0
>
>
> DNS failures caused on the executor nodes causing shuffle nodes to be added
> to the exclude list. We should handle this failure and not cause a
> FetchFailed exception in such cases.
> This helps in two things :
> 1. Stage won't be resubmitted due to FetchFailedException
> 2. Spark's exclude listing also won't exclude the shuffle service node when
> the problem is
> indeed with the current executor host.
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