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From aalexandrov <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-1297] Added OperatorStatsAccumulator fo...
Date Thu, 16 Apr 2015 12:14:20 GMT
Github user aalexandrov commented on the pull request:

    :+1: thanks for the great work! I'll review that (probably over the weekend) and will
appreciate if some of the core Flink committers (@sewen, @rmetzger, @fhueske) can also make
a pass over the code.
    One more caveat from me: this implements only the runtime aspect of the statistics collecting
    A second PR which allows to configure the points where statistics should be tracked in
a programmatic way as part of the DataBag API shoud follow.
    @tammymendt and me were discussing as syntax along the lines of:
    A = // some dataflow assembly code
    A.withStatistics( "statsForX", keySelectorFn ) 
    // grab the statistics after the execution is done
    Once this is in place we will play around and implement some ideas on incremental optimization.

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