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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1028) Add FailoverProxyProvider like capability to RMProxy
Date Fri, 15 Nov 2013 01:57:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13823202#comment-13823202
] 

Bikas Saha commented on YARN-1028:
----------------------------------

How do we know that the standby RM will be ready in that much time (if the current RM has
crashed)? What kind of network errors cause failoverOnNetworkException to be triggered? Can
they be caused due to glitches in the network, thus we would fail over to the standby and
failback again?

> Add FailoverProxyProvider like capability to RMProxy
> ----------------------------------------------------
>
>                 Key: YARN-1028
>                 URL: https://issues.apache.org/jira/browse/YARN-1028
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Karthik Kambatla
>         Attachments: yarn-1028-1.patch, yarn-1028-draft-cumulative.patch
>
>
> RMProxy layer currently abstracts RM discovery and implements it by looking up service
information from configuration. Motivated by HDFS and using existing classes from Common,
we can add failover proxy providers that may provide RM discovery in extensible ways.



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