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From "Konstantinos Karanasos (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6345) Add container tags to resource requests
Date Thu, 16 Mar 2017 06:46:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927579#comment-15927579
] 

Konstantinos Karanasos commented on YARN-6345:
----------------------------------------------

bq. Is there any value in using a key-value pair in your case with no value, so that we can
reuse the feature in YARN-5986? This would simplify the container launch context protocol
in the long run I think.
In our case, I don't think there are use cases for which a value will be needed.
How would it simplify the CLC though?

> Add container tags to resource requests
> ---------------------------------------
>
>                 Key: YARN-6345
>                 URL: https://issues.apache.org/jira/browse/YARN-6345
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Konstantinos Karanasos
>            Assignee: Panagiotis Garefalakis
>
> This JIRA introduces the notion of container tags.
> When an application submits container requests, it is allowed to attach to them a set
of string tags. The corresponding resource requests will also carry these tags.
> For example, a container that will be used for running an HBase Master can be marked
with the tag "hb-m". Another one belonging to a ZooKeeper application, can be marked as "zk".
> Through container tags, we will be able to express constraints that refer to containers
with the given tags.



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