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https://issues.apache.org/jira/browse/SPARK-14626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-14626.
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Resolution: Fixed
Fix Version/s: 2.0.0
> Simplify accumulators and task metrics
> --------------------------------------
>
> Key: SPARK-14626
> URL: https://issues.apache.org/jira/browse/SPARK-14626
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Reynold Xin
> Assignee: Reynold Xin
> Fix For: 2.0.0
>
>
> The goal of the ticket is to simplify both the external interface and the
> internal implementation for accumulators and metrics. They are unnecessarily
> convoluted and we should be able to simplify them quite a bit.
> This is an umbrella ticket and I will iteratively create new tasks as my
> investigation goes on. At a high level, I'd would like to create better
> abstractions for internal implementations, as well as creating a simplified
> accumulator v2 external interface that doesn't involve a complex type
> hierarchy.
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