[jira] [Updated] (SPARK-11316) isEmpty before coalesce seems to cause huge performance issue in setupGroups

[ https://issues.apache.org/jira/browse/SPARK-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Thomas Graves updated SPARK-11316: -- Description: So I haven't fully debugged this yet but reporting what I'm seeing and think

[jira] [Updated] (SPARK-11316) isEmpty before coalesce seems to cause huge performance issue in setupGroups

[ https://issues.apache.org/jira/browse/SPARK-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Thomas Graves updated SPARK-11316: -- Priority: Critical (was: Major) > isEmpty before coalesce seems to cause huge performance