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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/10/21 10:07:00 UTC

[jira] [Assigned] (SPARK-40868) Avoid introducing too many partitions when bucketed scan disabled by sql planner

     [ https://issues.apache.org/jira/browse/SPARK-40868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-40868:
------------------------------------

    Assignee: Apache Spark

> Avoid introducing too many partitions when bucketed scan disabled by sql planner
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-40868
>                 URL: https://issues.apache.org/jira/browse/SPARK-40868
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Xingchao, Zhang
>            Assignee: Apache Spark
>            Priority: Major
>
> For bucket tables with huge size, lots of partitions maybe generated if bucketed scan disabled by sql planner. We can add one limit(default as BUCKETING_MAX_BUCKETS) to reduce the partitions for non-bucketed scan to avoid too many tasks introduced in single stage.



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