[GitHub] spark pull request #23242: SPARK-26285: accumulator metrics sources for Long...

[abellina]

GitHub user abellina opened a pull request:

    https://github.com/apache/spark/pull/23242

    SPARK-26285: accumulator metrics sources for LongAccumulator and Doub…

    …leAccumulator
    
    ## What changes were proposed in this pull request?
    
    This PR implements metric sources for LongAccumulator and 
DoubleAccumulator, such that a user can register these accumulators easily and 
have their values be reported by the driver's metric namespace.
    
    ## How was this patch tested?
    
    Unit tests, and manual tests.
    
    Please review http://spark.apache.org/contributing.html before opening a 
pull request.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/abellina/spark SPARK-26285_accumulator_source

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/23242.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #23242
    
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commit 45cfada1079838de90e39e488e593886b2bc33b7
Author: Alessandro Bellina <abellina@...>
Date:   2018-11-19T14:13:23Z

    SPARK-26285: accumulator metrics sources for LongAccumulator and 
DoubleAccumulator

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