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https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Liang updated SPARK-12691:
Component/s: (was: Spark Core)
SQL
> Multiple unionAll on Dataframe goes growi
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https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Liang updated SPARK-12691:
Summary: Multiple unionAll on Dataframe goes growingly slow. (was:
Multiple unionAll on Dataframe
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https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Liang updated SPARK-12691:
Description:
Multiple unionAll on Dataframe seems to somehow cause repeated calculations.
Here is
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https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Liang updated SPARK-12691:
Description:
Multiple unionAll on Dataframe seems to cause repeated calculations. Here is
the samp
