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Posted to issues@spark.apache.org by "jinhai (Jira)" <ji...@apache.org> on 2021/10/13 10:19:00 UTC

[jira] [Resolved] (SPARK-36855) Uniformly execute the mergeContinuousShuffleBlockIdsIfNeeded method first

     [ https://issues.apache.org/jira/browse/SPARK-36855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jinhai resolved SPARK-36855.
----------------------------
    Resolution: Not A Problem

> Uniformly execute the mergeContinuousShuffleBlockIdsIfNeeded method first
> -------------------------------------------------------------------------
>
>                 Key: SPARK-36855
>                 URL: https://issues.apache.org/jira/browse/SPARK-36855
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.1.0, 3.1.1, 3.1.2
>            Reporter: jinhai
>            Priority: Major
>
> In the ShuffleBlockFetcherIterator.partitionBlocksByFetchMode method, both local and host-local execute the mergeContinuousShuffleBlockIdsIfNeeded method first, but remote blocks executes the method many times in the createFetchRequests method. Can the method of merge blocks be executed only once in advance?



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