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https://issues.apache.org/jira/browse/SPARK-34534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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haiyangyu updated SPARK-34534:
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Attachment: image-2021-02-25-11-17-12-714.png
> New protocol FetchShuffleBlocks in OneForOneBlockFetcher lead to data loss or
> correctness
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-34534
> URL: https://issues.apache.org/jira/browse/SPARK-34534
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 3.0.0, 3.0.1, 3.0.2
> Reporter: haiyangyu
> Priority: Major
> Labels: Correctness, data-loss
> Attachments: image-2021-02-25-11-17-12-714.png
>
>
> We will build a new rpc message
> {code:java}
> FetchShuffleBlocks{code}
> when
> {code:java}
> OneForOneBlockFetcher{code}
> init in replace of
> {code:java}
> OpenBlocks{code}
> to use adaptive feature
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