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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-8275) HistoryServer caches incomplete App UIs
Date Tue, 16 Jun 2015 09:36:01 GMT

    [ https://issues.apache.org/jira/browse/SPARK-8275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14587753#comment-14587753
] 

Steve Loughran commented on SPARK-8275:
---------------------------------------

your right, tagging as duplicate.


> HistoryServer caches incomplete App UIs
> ---------------------------------------
>
>                 Key: SPARK-8275
>                 URL: https://issues.apache.org/jira/browse/SPARK-8275
>             Project: Spark
>          Issue Type: Bug
>          Components: Web UI
>    Affects Versions: 1.3.1
>            Reporter: Steve Loughran
>
> The history server caches applications retrieved from the {{ApplicationHistoryProvider.getAppUI()}}
call for performance: it's expensive to rebuild.
> However, this cache also includes incomplete applications, as well as completed ones
—and it never attempts to refresh the incomplete application.
> As a result, if you do a GET of the history of a running application, even after the
application is finished, you'll still get the web UI/history as it was when that first GET
was issued.



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