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From "Zhang, Liye (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-9103) Tracking spark's memory usage
Date Wed, 04 Nov 2015 01:28:27 GMT

    [ https://issues.apache.org/jira/browse/SPARK-9103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988674#comment-14988674
] 

Zhang, Liye commented on SPARK-9103:
------------------------------------

[~pwendell], [~andrewor14] would you please take a look at this JIRA and the design doc? Your
comments are appreciated. So that we can move on correctly.

> Tracking spark's memory usage
> -----------------------------
>
>                 Key: SPARK-9103
>                 URL: https://issues.apache.org/jira/browse/SPARK-9103
>             Project: Spark
>          Issue Type: Umbrella
>          Components: Spark Core, Web UI
>            Reporter: Zhang, Liye
>         Attachments: Tracking Spark Memory Usage - Phase 1.pdf
>
>
> Currently spark only provides little memory usage information (RDD cache on webUI) for
the executors. User have no idea on what is the memory consumption when they are running spark
applications with a lot of memory used in spark executors. Especially when they encounter
the OOM, it’s really hard to know what is the cause of the problem. So it would be helpful
to give out the detail memory consumption information for each part of spark, so that user
can clearly have a picture of where the memory is exactly used. 
> The memory usage info to expose should include but not limited to shuffle, cache, network,
serializer, etc.
> User can optionally choose to open this functionality since this is mainly for debugging
and tuning.



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