Rohith Sharma K S created YARN-4988:
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Summary: Limit filter in ApplicationBaseProtocol#getApplications
should return latest applications
Key: YARN-4988
URL: https://issues.apache.org/jira/browse/YARN-4988
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Reporter: Rohith Sharma K S
Assignee: Rohith Sharma K S
When ever limit filter is used to get application report using
ApplicationBaseProtocol#getApplications, the applications retrieved are not the
latest. The retrieved applications are random based on the hashcode.
The reason for above problem is RM maintains the apps in MAP where in insertion
of application id is based on the hashcode. So if there are 10 applications
from app-1 to app-10 and then limit is 5, then supposed to expect that
applications from app-6 to app-10 should be retrieved. But now some first 5
apps in the MAP are retrieved. So applications retrieved are random 5!!
I think limit should retrieve latest applications only.
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