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https://issues.apache.org/jira/browse/SPARK-47141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-47141:
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Labels: pull-request-available (was: )
> Support shuffle migration to external storage
> ---------------------------------------------
>
> Key: SPARK-47141
> URL: https://issues.apache.org/jira/browse/SPARK-47141
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: mahesh kumar behera
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Currently Spark supports migration of shuffle data to peer nodes during node
> decommissioning. If peer nodes are not accessible, then Spark falls back to
> external storage. User needs to provide the storage location path. There are
> scenarios where user may want to migrate to external storage instead of peer
> nodes. This may be because of unstable nodes or due to the need of
> aggressive scale down. So user should be able to configure to migrate the
> shuffle data directly to external storage if the use case permits.
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