Harsh J created YARN-553:
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Summary: Have GetNewApplicationResponse 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
Priority: Minor
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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