[jira] [Commented] (SPARK-5404) Statistic of Logical Plan is too aggresive
[ https://issues.apache.org/jira/browse/SPARK-5404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14348793#comment-14348793 ] Apache Spark commented on SPARK-5404: - User 'chenghao-intel' has created a pull request for this issue: https://github.com/apache/spark/pull/4914 > Statistic of Logical Plan is too aggresive > -- > > Key: SPARK-5404 > URL: https://issues.apache.org/jira/browse/SPARK-5404 > Project: Spark > Issue Type: Bug > Components: SQL >Reporter: Cheng Hao > > The statistic number of a logical plan is quite helpful while do optimization > like join reordering, however, the default algorithm is too aggressive, which > probably lead to a totally wrong join order. -- 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
[jira] [Commented] (SPARK-5404) Statistic of Logical Plan is too aggresive
[ https://issues.apache.org/jira/browse/SPARK-5404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291488#comment-14291488 ] Apache Spark commented on SPARK-5404: - User 'chenghao-intel' has created a pull request for this issue: https://github.com/apache/spark/pull/4199 > Statistic of Logical Plan is too aggresive > -- > > Key: SPARK-5404 > URL: https://issues.apache.org/jira/browse/SPARK-5404 > Project: Spark > Issue Type: Bug > Components: SQL >Reporter: Cheng Hao > > The statistic number of a logical plan is quite helpful while do optimization > like join reordering, however, the default algorithm is too aggressive, which > probably lead to a totally wrong join order. -- 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
