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From "Jiandan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7497) Add HDFSSchedulerConfigurationStore for RM HA
Date Wed, 29 Nov 2017 09:44:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270497#comment-16270497

Jiandan Yang  commented on YARN-7497:

[~jhung] Please help me to review and give me some comment about this patch. Thank you.

> 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-7497.002.patch, YARN-7497.003.patch, YARN-7497.004.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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