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https://issues.apache.org/jira/browse/SLIDER-1100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239567#comment-15239567
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ASF subversion and git services commented on SLIDER-1100:
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Commit 9130f0eac8c404d27403867a5e9b59bf0c22068a in incubator-slider's branch
refs/heads/develop from [[email protected]]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-slider.git;h=9130f0e ]
SLIDER-1100 Support unique component names
> Support unique component names
> ------------------------------
>
> Key: SLIDER-1100
> URL: https://issues.apache.org/jira/browse/SLIDER-1100
> Project: Slider
> Issue Type: Sub-task
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Fix For: Slider 0.91
>
> Attachments: SLIDER-1100.1.patch
>
>
> I'd like to be able to specify a set of uniquely named components in a group
> as follows:
> {noformat}
> "ROLE": {
> "component.unique.names": "true",
> "yarn.role.priority": "1",
> "yarn.component.instances": 3,
> "yarn.memory": "512",
> "yarn.vcores": "2"
> }
> {noformat}
> This ROLE would be a component specified in the metainfo, resources, and
> appConfig. When Slider sees the "unique.names" property set to true, it will
> create uniquely named components ROLE1, ROLE2, ROLE3, up to the number of
> instances specified. Each component will have a unique priority as well,
> allowing them to be distinguished from each other and strictly placed if
> desired.
> This would allow the user to issue a flex command such as "slider flex
> clusterName --component ROLE 1" to change the number of instances; in this
> case, Slider would set ROLE2 and ROLE3 to zero desired instances, and leave
> ROLE1 at one desired instance. Uniquely named components would only have 0
> or 1 desired instances. If the user flexed to a larger number of instances,
> Slider would create new component names as needed (e.g. ROLE4).
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