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From "Jun Gong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3094) reset timer for liveness monitors after RM recovery
Date Fri, 23 Jan 2015 11:10:34 GMT

     [ https://issues.apache.org/jira/browse/YARN-3094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jun Gong updated YARN-3094:
---------------------------
    Attachment: YARN-3094.patch

> reset timer for liveness monitors after RM recovery
> ---------------------------------------------------
>
>                 Key: YARN-3094
>                 URL: https://issues.apache.org/jira/browse/YARN-3094
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>         Attachments: YARN-3094.patch
>
>
> When RM restarts, it will recover RMAppAttempts and registry them to AMLivenessMonitor
if they are not in final state. AM will time out in RM if the recover process takes long time
due to some reasons(e.g. too many apps). 
> In our system, we found the recover process took about 3 mins, and all AM time out.



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