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Yi Zhou edited comment on SPARK-5791 at 2/15/15 1:49 AM: --------------------------------------------------------- For the same input data set size(e.g.,1TB), it costs about ~2mins on hive on M/R with optimization parameters but it costs about ~1hour on SparkSQL. was (Author: jameszhouyi): For the same input dataset size, it costs about ~2mins on hive on M/R with optimization parameters but it costs about ~1hour on SparkSQL. > [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 > > Spark SQL shows poor performance when multiple tables do join operation -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org