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From "KWON BYUNGCHANG (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4464) default value of yarn.resourcemanager.state-store.max-completed-applications should lower.
Date Wed, 16 Dec 2015 09:03:46 GMT
KWON BYUNGCHANG created YARN-4464:
-------------------------------------

             Summary: default value of yarn.resourcemanager.state-store.max-completed-applications
should lower.
                 Key: YARN-4464
                 URL: https://issues.apache.org/jira/browse/YARN-4464
             Project: Hadoop YARN
          Issue Type: Wish
          Components: resourcemanager
            Reporter: KWON BYUNGCHANG


my cluster has 120 nodes.
I configured RM Restart feature.

{code}
yarn.resourcemanager.recovery.enabled=true
yarn.resourcemanager.store.class=org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
yarn.resourcemanager.fs.state-store.uri=/system/yarn/rmstore
{code}

unfortunately I did not configure {{yarn.resourcemanager.state-store.max-completed-applications}}.
so that property configured default value 10,000.

I have restarted RM due to changing another configuartion.
I expected that RM restart immediately.

recovery process was very slow.  I have waited about 20min.  

realize missing {{yarn.resourcemanager.state-store.max-completed-applications}}.

its default value is very huge.  
need to change lower value or document notice on [RM Restart page|http://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/ResourceManagerRestart.html].





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