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From "Yin Huai (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SPARK-7673) DataSourceStrategy''s buildPartitionedTableScan always list list file status for all data files
Date Fri, 15 May 2015 19:39:59 GMT

    [ https://issues.apache.org/jira/browse/SPARK-7673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546064#comment-14546064
] 

Yin Huai edited comment on SPARK-7673 at 5/15/15 7:39 PM:
----------------------------------------------------------

This cause pretty significant performance regression for partitioned parquet tables. table().explain()
can take 80s for a table stored in s3 with around 2000 partitions.


was (Author: yhuai):
This cause pretty significant performance regression for partitioned parquet tables. table().explain()
can take 80s for a table with around 2000 partitions.

> DataSourceStrategy''s buildPartitionedTableScan always list list file status for all
data files 
> ------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-7673
>                 URL: https://issues.apache.org/jira/browse/SPARK-7673
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.4.0
>            Reporter: Yin Huai
>            Priority: Blocker
>             Fix For: 1.4.0
>
>
> See https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/sources/DataSourceStrategy.scala#L134-141



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