[jira] [Commented] (SPARK-15894) Add doc to control #partition for input files

["Takeshi Yamamuro (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15325726#comment-15325726 ] 

Takeshi Yamamuro commented on SPARK-15894:
------------------------------------------

The patch is like https://github.com/apache/spark/compare/master...maropu:SPARK-15894.

> Add doc to control #partition for input files
> ---------------------------------------------
>
>                 Key: SPARK-15894
>                 URL: https://issues.apache.org/jira/browse/SPARK-15894
>             Project: Spark
>          Issue Type: Documentation
>          Components: SQL
>    Affects Versions: 1.6.1
>            Reporter: Takeshi Yamamuro
>            Priority: Trivial
>
> I recently saw some users ask questions in spark-users about how to control #partitions for input files
> without DataFrame#repartititon.
> https://www.mail-archive.com/user@spark.apache.org/msg51603.html
> https://www.mail-archive.com/user@spark.apache.org/msg51742.html
> The two parameters `spark.sql.files.maxPartitionBytes` and `spark.sql.files.openCostInBytes` are
> internal ones though, it seems they are useful for the users that control this sometimes.
> So, Trivial things though, I think we'd better off adding doc for the two parameter
> in `sql-programming-guide`.
> Though?



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