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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2015/09/18 06:52:04 UTC

[jira] [Updated] (YARN-4180) AMLauncher does not retry on failures when talking to NM

     [ https://issues.apache.org/jira/browse/YARN-4180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthik Kambatla updated YARN-4180:
-----------------------------------
    Affects Version/s: 2.7.1
     Target Version/s: 2.7.2
             Priority: Critical  (was: Major)

> AMLauncher does not retry on failures when talking to NM 
> ---------------------------------------------------------
>
>                 Key: YARN-4180
>                 URL: https://issues.apache.org/jira/browse/YARN-4180
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>            Priority: Critical
>
> We see issues with RM trying to launch a container while a NM is restarting and we get exceptions like NMNotReadyException. While YARN-3842 added retry for other clients of NM (AMs mainly) its not used by AMLauncher in RM causing there intermittent errors to cause job failures. This can manifest during rolling restart of NMs. 



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