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

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

Takeshi Yamamuro created SPARK-15894:
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             Summary: 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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