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https://issues.apache.org/jira/browse/SPARK-12140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15109316#comment-15109316
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Tathagata Das commented on SPARK-12140:
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BTW, a major concern in supporting streaming stuff in history server is that
the event logs can be extremely huge, and reading all the events to recreate
the UI requires reading a huge log which can take looooong time. This needs to
be solved. One idea is to allow chunking/rotations of the event logs, so that
only the latest 1 hour can be read to recreate the streaming UI. It would have
to handle errors, missing data, etc.
My two cents.
> Support Streaming UI in HistoryServer
> -------------------------------------
>
> Key: SPARK-12140
> URL: https://issues.apache.org/jira/browse/SPARK-12140
> Project: Spark
> Issue Type: New Feature
> Components: Streaming
> Affects Versions: 1.6.0
> Reporter: Marcelo Vanzin
>
> SPARK-11206 added infrastructure that would allow the streaming UI to be
> shown in the History Server. We should add the necessary code to make that
> happen, although it requires some changes to how events and listeners are
> used.
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