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From "Konstantinos Karanasos (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6593) [API] Introduce Placement Constraint object
Date Tue, 01 Aug 2017 15:36:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16109100#comment-16109100

Konstantinos Karanasos commented on YARN-6593:

Thanks for the feedback, [~jianhe].

bq. should we have an example class to demonstrate how to use the APIs for different scenarios
as mentioned in the document? I think that's useful for users.
I have some first examples in {{PlacementConstraints}}. Do you think we should add them in
a different class?

bq. looks like the allocationTag is modeled as a single key, I think a key/value pair will
be more flexible ? Like I want to associate different dimensions of informations to the container.
We talked a lot about this with [~leftnoteasy] and [~arun.suresh@gmail.com], and decided it
would be easier for the users to add the tags as a value with null key, given that tags do
not have values. Still we can add multiple tags to a container. Can you give an example that
we cannot support with the current proposal?

> [API] Introduce Placement Constraint object
> -------------------------------------------
>                 Key: YARN-6593
>                 URL: https://issues.apache.org/jira/browse/YARN-6593
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Konstantinos Karanasos
>            Assignee: Konstantinos Karanasos
>         Attachments: YARN-6593.001.patch, YARN-6593.002.patch, YARN-6593.003.patch, YARN-6593.004.patch,
YARN-6593.005.patch, YARN-6593.006.patch, YARN-6593.007.patch, YARN-6593.008.patch
> Just removed Fixed version and moved it to target version as we set fix version only
after patch is committed.

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