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https://issues.apache.org/jira/browse/SPARK-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated SPARK-11316:
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Priority: Critical (was: Major)
> isEmpty before coalesce seems to cause huge performance issu
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https://issues.apache.org/jira/browse/SPARK-11316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated SPARK-11316:
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Description:
So I haven't fully debugged this yet but reporting what I'm seeing and think
migh