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Posted to yarn-issues@hadoop.apache.org by "chaosju (Jira)" <ji...@apache.org> on 2021/04/27 04:48:00 UTC

[jira] [Created] (YARN-10755) Multithreaded loading Apps from zk statestore

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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