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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/03/29 10:38:00 UTC
[jira] [Assigned] (SPARK-34899) Use origin plan if can not coalesce
shuffle partition
[ https://issues.apache.org/jira/browse/SPARK-34899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-34899:
------------------------------------
Assignee: Apache Spark
> Use origin plan if can not coalesce shuffle partition
> -----------------------------------------------------
>
> Key: SPARK-34899
> URL: https://issues.apache.org/jira/browse/SPARK-34899
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Assignee: Apache Spark
> Priority: Minor
>
> The `CoalesceShufflePartitions` can not coalesce such case if the total shuffle partitions size of mappers are big enough. Then it's confused to use `CustomShuffleReaderExec` which marked as `coalesced` but has no affect with partition number.
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