leixm opened a new pull request, #4793:
URL: https://github.com/apache/hadoop/pull/4793
JIRA: YARN-11276. Add lru cache for RMWebServices.getApps.
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leixm opened a new pull request, #4793:
URL: https://github.com/apache/hadoop/pull/4793
JIRA: YARN-11276. Add lru cache for RMWebServices.getApps.
In our YARN cluster, there are thousands of apps running at the same time,
the return result of getApps reaches about 10M, and many reques
