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https://issues.apache.org/jira/browse/SPARK-35910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-35910.
-----------------------------------
Fix Version/s: 3.2.0
Resolution: Fixed
Issue resolved by pull request 33109
[https://github.com/apache/spark/pull/33109]
> Update remoteBlockBytes based on merged block info
> --------------------------------------------------
>
> Key: SPARK-35910
> URL: https://issues.apache.org/jira/browse/SPARK-35910
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle
> Affects Versions: 3.2.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Fix For: 3.2.0
>
>
> Currently, we calculate the `remoteBlockBytes` based on the original block
> info list. If the original reducer size is big but the actual reducer size is
> small due to automatically partition coalescing of AQE, the reducer will take
> more time to calculate `remoteBlockBytes`. We can reduce this cost via remote
> requests which contain merged block info lists.
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