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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3019) Enable RM work-preserving restart by default
Date Mon, 12 Jan 2015 19:27:36 GMT

    [ https://issues.apache.org/jira/browse/YARN-3019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14274013#comment-14274013
] 

Jian He commented on YARN-3019:
-------------------------------

bq. Can you explain the behavior different with "yarn.resourcemanager.work-preserving-recovery.enabled"
to be true while "yarn.resourcemanager.recovery.enabled" to be false?
"yarn.resourcemanager.recovery.enabled" controls disabling/enabling RM restart feature, while
"yarn.resourcemanager.work-preserving-recovery.enabled" controls the recovery mode whether
it's non-work-preserving or work-preserving. The final goal is to support work-preserving
recovery only. So the config "yarn.resourcemanager.work-preserving-recovery.enabled" is not
needed any more.

> Enable RM work-preserving restart by default 
> ---------------------------------------------
>
>                 Key: YARN-3019
>                 URL: https://issues.apache.org/jira/browse/YARN-3019
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>
> The proposal is to set "yarn.resourcemanager.work-preserving-recovery.enabled" to true
by default   to flip recovery mode to work-preserving recovery from non-work-preserving recovery.




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