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https://issues.apache.org/jira/browse/SPARK-27677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837629#comment-16837629
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Imran Rashid commented on SPARK-27677:
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I'm breaking this out of SPARK-25888. [~attilapiros] is already working on a
fix for this, the current pr is https://github.com/apache/spark/pull/24499
> Disk-persisted RDD blocks served by shuffle service, and ignored for Dynamic
> Allocation
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-27677
> URL: https://issues.apache.org/jira/browse/SPARK-27677
> Project: Spark
> Issue Type: New Feature
> Components: Block Manager, Spark Core
> Affects Versions: 2.4.3
> Reporter: Imran Rashid
> Priority: Major
>
> Disk-cached RDD blocks are currently unavailable after an executor is
> removed. However, when there is an external shuffle service, the data
> remains available on disk and could be served by the shuffle service. This
> would allow dynamic allocation to reclaim executors with only disk-cached
> blocks more rapidly, but still keep the cached data available.
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