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https://issues.apache.org/jira/browse/SPARK-26288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711068#comment-16711068
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Apache Spark commented on SPARK-26288:
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User 'weixiuli' has created a pull request for this issue:
https://github.com/apache/spark/pull/23243
> 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, when the ExternalShuffleService restart and it can be reloaded,
> which will be used as well .
> While neither spark's standalone nor spark on k8s can record it's
> RegisteredExecutors information by db or others ,so when
> ExternalShuffleService restart ,which RegisteredExecutors information will be
> lost,it is't what we looking forward to .
> This commit add initRegisteredExecutorsDB which can be used either spark
> standalone or spark on k8s to record RegisteredExecutors information , when
> the ExternalShuffleService restart and it can be reloaded, which will be used
> as well .
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