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Posted to yarn-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2016/08/29 21:03:20 UTC
[jira] [Comment Edited] (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=15447038#comment-15447038 ]
Daniel Templeton edited comment on YARN-4767 at 8/29/16 9:02 PM:
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This patches addresses the checkstyle issues. The javadoc complaints are sadly unavoidable.
The "cluster" in the failure page path is correct. See the {{rmAppPageUrlBase}} above it. Without the "cluster" there, the patch doesn't work. Do you mean that I should be testing with the "cluster" prefix in the test files? Since the redirection bit doesn't actually care what the path is, I wasn't, but if it will brighten your day, I can do that.
was (Author: templedf):
This patches addresses the checkstyle issues. The javadoc complaints are sadly unavoidable.
The "cluster" in the failure page path is correct. See the {{rmAppPageUrlBase}} above it. Without the "cluster" there, the patch doesn't work.
> 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: 2.7.2
> 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, YARN-4767.005.patch, YARN-4767.006.patch, YARN-4767.007.patch, YARN-4767.008.patch, YARN-4767.009.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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