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https://issues.apache.org/jira/browse/SPARK-26288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16716298#comment-16716298
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ASF GitHub Bot commented on SPARK-26288:
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dongjoon-hyun edited a comment on issue #23243:
[SPARK-26288][ExternalShuffleService]add initRegisteredExecutorsDB
URL: https://github.com/apache/spark/pull/23243#issuecomment-446083308
Hi, @weixiuli . You can use `[CORE]` instead of `[ExternalShuffleService]`
in the PR title.
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> add initRegisteredExecutorsDB in ExternalShuffleService
> -------------------------------------------------------
>
> Key: SPARK-26288
> URL: https://issues.apache.org/jira/browse/SPARK-26288
> Project: Spark
> Issue Type: New Feature
> Components: Kubernetes, Shuffle
> Affects Versions: 2.4.0
> Reporter: weixiuli
> Priority: Major
> Fix For: 2.4.0
>
>
> As we all know that spark on Yarn uses DB to record RegisteredExecutors
> information which can be reloaded and used again when the
> ExternalShuffleService is restarted .
> The RegisteredExecutors information can't be recorded both in the mode of
> spark's standalone and spark on k8s , which will cause the
> RegisteredExecutors information to be lost ,when the ExternalShuffleService
> is restarted.
> To solve the problem above, a method is proposed and is committed .
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