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https://issues.apache.org/jira/browse/SPARK-5791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491864#comment-14491864
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Yi Zhou edited comment on SPARK-5791 at 4/13/15 2:57 AM:
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We changed file format from ORC to Parquet and test based the latest spark
code(1.4.0-SNAPSHOT). Got the result like below:
Spark SQL(2m28s) vs. Hive (3m12s)
was (Author: jameszhouyi):
We changed file format from ORC to Parquet. Got the result like below:
Spark SQL(2m28s) vs. Hive (3m12s)
> [Spark SQL] show poor performance when multiple table do join operation
> -----------------------------------------------------------------------
>
> Key: SPARK-5791
> URL: https://issues.apache.org/jira/browse/SPARK-5791
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.2.0
> Reporter: Yi Zhou
> Attachments: Physcial_Plan_Hive.txt,
> Physcial_Plan_SparkSQL_Updated.txt, Physical_Plan.txt
>
>
> Spark SQL shows poor performance when multiple tables do join operation
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