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From "Izek Greenfield (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SPARK-23904) Big execution plan cause OOM
Date Sun, 03 Jun 2018 06:12:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16499315#comment-16499315
] 

Izek Greenfield edited comment on SPARK-23904 at 6/3/18 6:11 AM:
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[~RBerenguel] Did you remember to run with this flag `-XX:+UseG1GC` I think think this is
part of the problem because of the `Humongous objects`


was (Author: igreenfi):
[~RBerenguel] Did you remember to run with this flag `-XX:+UseG1GC` I think think this is
part of the problem because of the `homogenous regions`

> Big execution plan cause OOM
> ----------------------------
>
>                 Key: SPARK-23904
>                 URL: https://issues.apache.org/jira/browse/SPARK-23904
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.1
>            Reporter: Izek Greenfield
>            Priority: Major
>              Labels: SQL, query
>
> I create a question in [StackOverflow|https://stackoverflow.com/questions/49508683/spark-physicalplandescription-string-is-to-big] 
> Spark create the text representation of query in any case even if I don't need it.
> That causes many garbage object and unneeded GC... 
>  [Gist with code to reproduce|https://gist.github.com/igreenfield/584c3336f03ba7d63e9026774eaf5e23]
>  



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