chaosju created YARN-10755:
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Summary: Multithreaded loading Apps from zk statestore
Key: YARN-10755
URL: https://issues.apache.org/jira/browse/YARN-10755
Project: Hadoop YARN
Issue Type: Improvement
Environment: version: hadooop-2.8.5
Reporter: chaosju
In RM, we may be get a list of applications to be read from state store and
then divide the work of reading data associated with each app to multiple
threads.
h2. Profile
Profile by TestZKRMStateStorePerf
Params： -appSize 20000 -appattemptsize 2 -hostPort localhost:2181
Profile Result： loadRMAppState stage cost is 8s.
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