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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-8591) Configs: Enabling Yarn RM HA through Ambari should enable work preserving RM restart
Date Thu, 11 Dec 2014 18:32:14 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-8591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14242901#comment-14242901
] 

Hudson commented on AMBARI-8591:
--------------------------------

SUCCESS: Integrated in Ambari-trunk-Commit #1177 (See [https://builds.apache.org/job/Ambari-trunk-Commit/1177/])
AMBARI-8591. Configs: Enabling Yarn RM HA through Ambari should enable work preserving RM
restart (dlysnichenko) (dlysnichenko: http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=400b1af7e0c417cebe95257f3dc8cb9fbb91b415)
* ambari-server/src/main/resources/stacks/HDP/2.2/services/YARN/configuration/yarn-site.xml


> Configs: Enabling Yarn RM HA through Ambari should enable work preserving RM restart
> ------------------------------------------------------------------------------------
>
>                 Key: AMBARI-8591
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8591
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Dmitry Lysnichenko
>            Assignee: Dmitry Lysnichenko
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-8591.patch
>
>
> Ambari deploy's Yarn RM HA and does not enable work preserving restarts. Which control
how many time am can restart are not set accounting for HA cluster.
> mapred-site.xml -> mapreduce.am.max-attempts (defaults to 2)
> tez-site.xml -> tez.am.max.app.attempts (defaults to 2)
> yarn-site.xml -> yarn.resourcemanager.am.max-attempts (defaults to 2)
> In gsInstaller we set this all to 20 which might be over kill but i think when yarn HA
is enabled we should set these to a better value. Yarn team should provide input on what we
should set them if HA is on and if they should be different if WRP is on as well.



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