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https://issues.apache.org/jira/browse/FLINK-2404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644065#comment-14644065
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ASF GitHub Bot commented on FLINK-2404:
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Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/942#issuecomment-125504599
Thanks for repeating your experiment isolated without the whole Flink
stack. Here we can clearly see the performance impact of the `Long` auto
unboxing.
I will merge your changes later this day.
> LongCounters should have an "addValue()" method for primitive longs
> -------------------------------------------------------------------
>
> Key: FLINK-2404
> URL: https://issues.apache.org/jira/browse/FLINK-2404
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.10
> Reporter: Stephan Ewen
> Fix For: 0.10
>
>
> Since the LongCounter is used heavily for internal statistics reporting, it
> must have very low overhead.
> The current "addValue()" method always boxes and unboxes the values, which is
> unnecessary overhead.
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