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From "Jiandan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7497) Add HDFSSchedulerConfigurationStore for RM HA
Date Wed, 15 Nov 2017 07:55:01 GMT

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

Jiandan Yang  updated YARN-7497:
--------------------------------
    Description: 
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.

  was:YARN-5947 add LeveldbConfigurationStore using Leveldb as backing store, but it does
not support Yarn RM HA. HDFSSchedulerConfigurationStore store conf file in HDFS, when RM failover,
new active RM can load scheduler configuration from HDFS.


> Add HDFSSchedulerConfigurationStore for RM HA
> ---------------------------------------------
>
>                 Key: YARN-7497
>                 URL: https://issues.apache.org/jira/browse/YARN-7497
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: yarn
>            Reporter: Jiandan Yang 
>         Attachments: YARN-7497.001.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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