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https://issues.apache.org/jira/browse/HIVE-18034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16356410#comment-16356410
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Sahil Takiar commented on HIVE-18034:
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Actually looks like Spark's notion of totalDuration is how long a Spark task
takes to run (exposed by {{TaskInfo#duration()}}).
> Improving logging with HoS executors spend lots of time in GC
> -------------------------------------------------------------
>
> Key: HIVE-18034
> URL: https://issues.apache.org/jira/browse/HIVE-18034
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Sahil Takiar
> Priority: Major
>
> There are times when Spark will spend lots of time doing GC. The Spark
> History UI shows a bunch of red flags when too much time is spent in GC. It
> would be nice if those warnings are propagated to Hive.
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