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https://issues.apache.org/jira/browse/SPARK-15259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279131#comment-15279131
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Apache Spark commented on SPARK-15259:
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User 'ericl' has created a pull request for this issue:
https://github.com/apache/spark/pull/13035
> Sort time metric should not include spill and record insertion time
> -------------------------------------------------------------------
>
> Key: SPARK-15259
> URL: https://issues.apache.org/jira/browse/SPARK-15259
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Eric Liang
> Priority: Minor
>
> After SPARK-14669 it seems the sort time metric includes both spill and
> record insertion time. This makes it not very useful since the metric becomes
> close to the total execution time of the node.
> We should track just the time spent for in-memory sort, as before.
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