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Posted to yarn-issues@hadoop.apache.org by "Grant Sohn (JIRA)" <ji...@apache.org> on 2017/10/09 19:46:01 UTC
[jira] [Commented] (YARN-3581) Deprecate
-directlyAccessNodeLabelStore in RMAdminCLI
[ https://issues.apache.org/jira/browse/YARN-3581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16197597#comment-16197597 ]
Grant Sohn commented on YARN-3581:
----------------------------------
Is this going to be removed in Hadoop 3? It's been deprecated a long time.
Thanks.
> Deprecate -directlyAccessNodeLabelStore in RMAdminCLI
> -----------------------------------------------------
>
> Key: YARN-3581
> URL: https://issues.apache.org/jira/browse/YARN-3581
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api, client, resourcemanager
> Reporter: Wangda Tan
> Assignee: Naganarasimha G R
> Fix For: 2.8.0, 3.0.0-alpha1
>
> Attachments: YARN-3581.20150525-1.patch, YARN-3581.20150528-1.patch
>
>
> In 2.6.0, we added an option called "-directlyAccessNodeLabelStore" to make RM can start with label-configured queue settings. After YARN-2918, we don't need this option any more, admin can configure queue setting, start RM and configure node label via RMAdminCLI without any error.
> In addition, this option is very restrictive, first it needs to run on the same node where RM is running if admin configured to store labels in local disk.
> Second, when admin run the option when RM is running, multiple process write to a same file can happen, this could make node label store becomes invalid.
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