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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] [Commented] (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:comment-tabpanel&focusedCommentId=17181493#comment-17181493 ]
Apache Spark commented on SPARK-32674:
--------------------------------------
User 'sunchao' has created a pull request for this issue:
https://github.com/apache/spark/pull/29498
> 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
> 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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