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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/03/13 13:46:41 UTC

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

    [ https://issues.apache.org/jira/browse/SPARK-19937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907481#comment-15907481 ] 

Apache Spark commented on SPARK-19937:
--------------------------------------

User 'jinxing64' has created a pull request for this issue:
https://github.com/apache/spark/pull/17276

> 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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