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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/08/21 14:30:00 UTC

[jira] [Assigned] (SPARK-40150) Dynamically merge File Splits

     [ https://issues.apache.org/jira/browse/SPARK-40150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-40150:
------------------------------------

    Assignee: Apache Spark

> Dynamically merge File Splits
> -----------------------------
>
>                 Key: SPARK-40150
>                 URL: https://issues.apache.org/jira/browse/SPARK-40150
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Jackey Lee
>            Assignee: Apache Spark
>            Priority: Major
>
> We currently use maxPartitionBytes and minPartitionNum to split files and use openCostInBytes to merge file splits. But these are static configurations, and the same configuration does not work in all scenarios.
> This PR attempts to dynamically merge file splits, taking into the concurrency while processing more data in one task.



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