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https://issues.apache.org/jira/browse/YARN-8113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16459989#comment-16459989
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Konstantinos Karanasos commented on YARN-8113:
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Hi [~cheersyang]. I did some changes and uploaded a new version of the patch.
Give it a look.
The most important changes I made:
* Fixed a bit the PlacementSpec grammar, because it was assuming only two
constraints within an AND/OR constraints, while I guess it is a list.
* Explained how to specify tag namespaces in the placementspec -- please check
it is correct.
* Added examples of tag namespace usage.
BTW the current grammar assumes no nesting of constraints (as in an AND is a
child of an OR, etc.). Do we allow nesting in the latest version? If so, we
have to update the grammar, because at the moment it assumes a flat hierarchy.
> Update placement constraints doc with application namespace and inter-app
> constraints
> -------------------------------------------------------------------------------------
>
> Key: YARN-8113
> URL: https://issues.apache.org/jira/browse/YARN-8113
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: documentation
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: AllocationTag_Namespace.png, DS_update.png,
> YARN-8113.001.patch, YARN-8113.002.patch, YARN-8113.003.patch
>
>
> Once YARN-8013 is done, we will support all type of application namespace
> types for inter-app constraints, accordingly we need to update the doc. Also
> make sure API doc will be updated.
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