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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7497) Add HDFSSchedulerConfigurationStore for RM HA
Date Fri, 01 Dec 2017 17:41:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-7497:
-----------------------------
    Issue Type: Sub-task  (was: New Feature)
        Parent: YARN-5734

> Add HDFSSchedulerConfigurationStore for RM HA
> ---------------------------------------------
>
>                 Key: YARN-7497
>                 URL: https://issues.apache.org/jira/browse/YARN-7497
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Jiandan Yang 
>         Attachments: YARN-7497.001.patch, YARN-7497.002.patch, YARN-7497.003.patch, YARN-7497.004.patch,
YARN-7497.005.patch, YARN-7497.006.patch
>
>
> YARN-5947 add LeveldbConfigurationStore using Leveldb as backing store, but it does not
support Yarn RM HA. 
> YARN-6840 supports RM HA, but too many scheduler configurations may exceed znode limit,
for example 10 thousand queues.
> HDFSSchedulerConfigurationStore store conf file in HDFS, when RM failover, new active
RM can load scheduler configuration from HDFS.



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