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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4224) Support fetching entities by UID and change the REST interface to conform to current REST APIs' in YARN
Date Sat, 09 Jan 2016 00:31:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15090270#comment-15090270

Sangjin Lee commented on YARN-4224:

I agree with what you said about escaping the separators. I'd like to mention that it would
be good if both the separator and the escaped separator are URL-safe (i.e. don't have to be
URL-encoded). That way things won't get too complicated and the URLs won't look cryptic. 

bq. But should we make the UID key itself configurable ? This is regarding the key we choose
to store UID against in info field(in response).

I'm not quite sure what you meant by the above. Do you mean what key in the info field in
the response under which to return the UID? Should that be configurable? I don't see a whole
lot of value for making that configurable.

bq. Regarding entity type, Li Lu, are you fine with having it as part of URL(as a mandatory
param) ? I would prefer to have it as part of URL if there is no use case. Sangjin Lee, what
you think on this ?

Is it a choice between having the entity type as part of the path (e.g. ".../YARN_CONTAINER/...")
as opposed to having it as a query param (e.g. "...?entityType=YARN_CONTAINER")? I would prefer
if it was part of the path, but I'm open to other views. Either way, I think it should be

> Support fetching entities by UID and change the REST interface to conform to current
> -------------------------------------------------------------------------------------------------------
>                 Key: YARN-4224
>                 URL: https://issues.apache.org/jira/browse/YARN-4224
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-4224-YARN-2928.01.patch, YARN-4224-feature-YARN-2928.wip.02.patch,

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