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https://issues.apache.org/jira/browse/YARN-1325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843669#comment-13843669
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Vinod Kumar Vavilapalli commented on YARN-1325:
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bq. Also, this scheme of config prefixing is going to be painful for operators.
I meant suffixing.
> Enabling HA should check Configuration contains multiple RMs
> ------------------------------------------------------------
>
> Key: YARN-1325
> URL: https://issues.apache.org/jira/browse/YARN-1325
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Tsuyoshi OZAWA
> Assignee: Xuan Gong
> Labels: ha
> Attachments: YARN-1325.1.patch, YARN-1325.2.patch, YARN-1325.3.patch
>
>
> Currently, we can enable RM HA configuration without multiple RM
> ids(YarnConfiguration.RM_HA_IDS). This behaviour can cause wrong operations.
> ResourceManager should verify that more than 1 RM id must be specified in
> RM-HA-IDs.
> One idea is to support "strict mode" to enforce this check as
> configuration(e.g. yarn.resourcemanager.ha.strict-mode.enabled).
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