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Posted to yarn-dev@hadoop.apache.org by "yunjiong zhao (JIRA)" <ji...@apache.org> on 2017/03/03 20:05:45 UTC

[jira] [Created] (YARN-6285) Add option to set max limit on ResourceManager for ApplicationClientProtocol.getApplications

yunjiong zhao created YARN-6285:
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             Summary: Add option to set max limit on ResourceManager for ApplicationClientProtocol.getApplications
                 Key: YARN-6285
                 URL: https://issues.apache.org/jira/browse/YARN-6285
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: yunjiong zhao
            Assignee: yunjiong zhao


When users called ApplicationClientProtocol.getApplications, it will return lots of data, and generate lots of garbage on ResourceManager which caused long time GC.
For example, on one of our RM, when called rest API " http://<rm http address:port>/ws/v1/cluster/apps" it can return 150MB data which have 944 applications.
getApplications have limit parameter, but some user might not set it, and then the limit will be Long.MAX_VALUE.



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