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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6872) Ensure apps could run given NodeLabels are disabled post RM switchover/restart
Date Mon, 31 Jul 2017 19:06:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16107794#comment-16107794
] 

Sunil G commented on YARN-6872:
-------------------------------

bq.isRecovery flag is already passed into SchedulerUtils#normalizeAndValidateRequest, I think
we can use that flag directly ?
In {{normalizeAndValidateRequest}}, we check for the node label disabled check before looking
for isRecovery flag. We could do some optimization here, but its a public api. I will check
all references.

bq.And this block of code can be removed now ?
This could be removed. Just a thought ,that log is helpful rt. If we need that log, i guess
some checks are needed there.

> Ensure apps could run given NodeLabels are disabled post RM switchover/restart
> ------------------------------------------------------------------------------
>
>                 Key: YARN-6872
>                 URL: https://issues.apache.org/jira/browse/YARN-6872
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: YARN-6872.001.patch
>
>
> Post YARN-6031, few apps could be failed during recovery provided they had some label
requirements for AM and labels were disable post RM restart/switchover. As discussed in YARN-6031,
its better to run such apps as it may be long running apps as well.



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