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Posted to issues@spark.apache.org by "jin xing (JIRA)" <ji...@apache.org> on 2017/03/13 13:34:41 UTC

[jira] [Created] (SPARK-19937) Collect metrics of block sizes when shuffle.

jin xing created SPARK-19937:
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             Summary: Collect metrics of block sizes when shuffle.
                 Key: SPARK-19937
                 URL: https://issues.apache.org/jira/browse/SPARK-19937
             Project: Spark
          Issue Type: Improvement
          Components: Shuffle
    Affects Versions: 2.1.0
            Reporter: jin xing


This improvement is related to SPARK-19659 and also documented there. Metrics of blocks sizes(when shuffle) should be collected for later analysis. This is helpful for analysis when skew situations or OOM happens(though maxBytesInFlight is set). 



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