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https://issues.apache.org/jira/browse/SPARK-26712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26712:
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Assignee: (was: Apache Spark)
> Disk broken causing YarnShuffleSerivce not available
> ----------------------------------------------------
>
> Key: SPARK-26712
> URL: https://issues.apache.org/jira/browse/SPARK-26712
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 2.1.0, 2.4.0
> Reporter: liupengcheng
> Priority: Major
>
> Currently, `ExecutorShuffleInfo` can be recovered from file if NM recovery
> enabled, however, the recovery file is under a single directory, which may be
> unavailable if disk broken. So if a NM restart happen(may be caused by kill
> or some reason), the shuffle service can not start even if there are
> executors on the node.
> This may finally cause job failures(if node or executors on it not
> blacklisted), or at least, it will cause resource waste.(shuffle from this
> node always failed.)
> For long running spark applications, this problem may be more serious.
> So I think we should support multi directories(multi disk) for this recovery.
> and change to good directory when the disk of current directory is broken.
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