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Posted to yarn-issues@hadoop.apache.org by "Ashwin Shankar (JIRA)" <ji...@apache.org> on 2016/05/25 00:29:12 UTC
[jira] [Commented] (YARN-4767) Network issues can cause persistent
RM UI outage
[ https://issues.apache.org/jira/browse/YARN-4767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15299233#comment-15299233 ]
Ashwin Shankar commented on YARN-4767:
--------------------------------------
At Netflix we are hitting this issue pretty consistently and users can't get to their jobs. Committers, could you please take a look at the patch?
> Network issues can cause persistent RM UI outage
> ------------------------------------------------
>
> Key: YARN-4767
> URL: https://issues.apache.org/jira/browse/YARN-4767
> Project: Hadoop YARN
> Issue Type: Bug
> Components: webapp
> Affects Versions: 2.9.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Priority: Critical
> Attachments: YARN-4767.001.patch, YARN-4767.002.patch, YARN-4767.003.patch, YARN-4767.004.patch
>
>
> If a network issue causes an AM web app to resolve the RM proxy's address to something other than what's listed in the allowed proxies list, the AmIpFilter will 302 redirect the RM proxy's request back to the RM proxy. The RM proxy will then consume all available handler threads connecting to itself over and over, resulting in an outage of the web UI.
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