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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/08/20 23:34:00 UTC

[jira] [Assigned] (SPARK-32674) Add suggestion for parallel directory listing in tuning doc

     [ https://issues.apache.org/jira/browse/SPARK-32674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-32674:
------------------------------------

    Assignee: Apache Spark

> Add suggestion for parallel directory listing in tuning doc
> -----------------------------------------------------------
>
>                 Key: SPARK-32674
>                 URL: https://issues.apache.org/jira/browse/SPARK-32674
>             Project: Spark
>          Issue Type: Documentation
>          Components: Documentation
>    Affects Versions: 3.0.0
>            Reporter: Chao Sun
>            Assignee: Apache Spark
>            Priority: Minor
>
> Sometimes directory listing could become a bottleneck when user jobs have large number of input directories. This is especially true when against object store like S3. 
> There are a few parameters to tune this. This proposes to add some info in the tuning guide so that the knowledge can be better shared. 



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