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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