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https://issues.apache.org/jira/browse/SPARK-6270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053400#comment-15053400
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Shivaram Venkataraman commented on SPARK-6270:
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+1 on compression. Is there a flag to turn it on right now ? Would be great if 
we can just save and read GZIP files

> Standalone Master hangs when streaming job completes and event logging is 
> enabled
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-6270
>                 URL: https://issues.apache.org/jira/browse/SPARK-6270
>             Project: Spark
>          Issue Type: Bug
>          Components: Deploy, Streaming
>    Affects Versions: 1.2.0, 1.2.1, 1.3.0, 1.5.1
>            Reporter: Tathagata Das
>            Priority: Critical
>
> If the event logging is enabled, the Spark Standalone Master tries to 
> recreate the web UI of a completed Spark application from its event logs. 
> However if this event log is huge (e.g. for a Spark Streaming application), 
> then the master hangs in its attempt to read and recreate the web ui. This 
> hang causes the whole standalone cluster to be unusable. 
> Workaround is to disable the event logging.



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