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https://issues.apache.org/jira/browse/SPARK-52395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17956012#comment-17956012
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Tengfei Huang commented on SPARK-52395:
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Will open a PR soon.
> Fail fast on the first shuffle block fetch failure
> --------------------------------------------------
>
> Key: SPARK-52395
> URL: https://issues.apache.org/jira/browse/SPARK-52395
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Tengfei Huang
> Priority: Major
>
> Shuffle blocks are handled in sequence to guarantee thread safety on handling
> shuffle data. This becomes an issue when the first block fetch failure is
> admitted but plenty of succeeded blocks are already in the queue. This leads
> to task runs for meaningless/wasted until the failed block is handled.
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