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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3019) Enable RM work-preserving restart by default
Date Sun, 11 Jan 2015 03:36:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-3019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272792#comment-14272792
] 

Junping Du commented on YARN-3019:
----------------------------------

bq. To clarify: this jira is to flip recovery mode to work-preserving recovery from non-work-preserving
recovery. The feature itself remains disabled. i.e. "yarn.resourcemanager.recovery.enabled"
remains false. updating the description. 
Can you explain the behavior different with "yarn.resourcemanager.work-preserving-recovery.enabled"
to be true while "yarn.resourcemanager.recovery.enabled" to be false? Is there any solid scenario
for this configuration combination or only for identifying bug purpose? For latter one, more
convenient way could apply on individual cluster rather than trunk. Thoughts?

> 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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