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https://issues.apache.org/jira/browse/SPARK-12896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-12896.
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Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 10835
[https://github.com/apache/spark/pull/10835]
> Send only accumulator updates, not TaskMetrics, to the driver
> -------------------------------------------------------------
>
> Key: SPARK-12896
> URL: https://issues.apache.org/jira/browse/SPARK-12896
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Reporter: Andrew Or
> Assignee: Andrew Or
> Fix For: 2.0.0
>
>
> Currently in Spark there are two different things that the executors send to
> the driver, accumulators and TaskMetrics. It would allow us to clean up a lot
> of things if we send ONLY accumulator updates instead of both that and
> TaskMetrics. Eventually we will be able to make TaskMetrics private and maybe
> even remove it.
> This blocks on SPARK-12895.
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