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https://issues.apache.org/jira/browse/YARN-553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687193#comment-13687193
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Karthik Kambatla commented on YARN-553:
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bq. We'll need to return a struct with both GetNewApplicationResponse and
ApplicationSubmissionContext though since GetNewApplicationResponse has other
pieces of info such as max-container etc.
That can definitely be done. However, I noticed that the
{get|set}MaximumResourceCapability is used only at a couple of places - also,
the createApplication() itself could take the min/max capabilities as
arguments. The latter might be cleaner than returning a struct with two
objects. What do you think - [~acmurthy], [~qwertymaniac]?
> Have YarnClient generate a directly usable ApplicationSubmissionContext
> -----------------------------------------------------------------------
>
> Key: YARN-553
> URL: https://issues.apache.org/jira/browse/YARN-553
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: client
> Affects Versions: 2.0.3-alpha
> Reporter: Harsh J
> Assignee: Karthik Kambatla
> Priority: Minor
> Attachments: yarn-553-1.patch, yarn-553-2.patch
>
>
> Right now, we're doing multiple steps to create a relevant
> ApplicationSubmissionContext for a pre-received GetNewApplicationResponse.
> {code}
> GetNewApplicationResponse newApp = yarnClient.getNewApplication();
> ApplicationId appId = newApp.getApplicationId();
> ApplicationSubmissionContext appContext =
> Records.newRecord(ApplicationSubmissionContext.class);
> appContext.setApplicationId(appId);
> {code}
> A simplified way may be to have the GetNewApplicationResponse itself provide
> a helper method that builds a usable ApplicationSubmissionContext for us.
> Something like:
> {code}
> GetNewApplicationResponse newApp = yarnClient.getNewApplication();
> ApplicationSubmissionContext appContext =
> newApp.generateApplicationSubmissionContext();
> {code}
> [The above method can also take an arg for the container launch spec, or
> perhaps pre-load defaults like min-resource, etc. in the returned object,
> aside of just associating the application ID automatically.]
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