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https://issues.apache.org/jira/browse/YARN-2001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138233#comment-14138233
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Hadoop QA commented on YARN-2001:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12669564/YARN-2565.1.patch
against trunk revision 123f20d.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5011//console
This message is automatically generated.
> Threshold for RM to accept requests from AM after failover
> ----------------------------------------------------------
>
> Key: YARN-2001
> URL: https://issues.apache.org/jira/browse/YARN-2001
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Jian He
> Assignee: Jian He
> Attachments: YARN-2001.1.patch, YARN-2001.2.patch, YARN-2001.3.patch,
> YARN-2001.4.patch, YARN-2001.5.patch, YARN-2001.5.patch, YARN-2001.5.patch
>
>
> After failover, RM may require a certain threshold to determine whether it’s
> safe to make scheduling decisions and start accepting new container requests
> from AMs. The threshold could be a certain amount of nodes. i.e. RM waits
> until a certain amount of nodes joining before accepting new container
> requests. Or it could simply be a timeout, only after the timeout RM accepts
> new requests.
> NMs joined after the threshold can be treated as new NMs and instructed to
> kill all its containers.
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