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Posted to yarn-issues@hadoop.apache.org by "Jiandan Yang (JIRA)" <ji...@apache.org> on 2018/03/27 05:06:00 UTC

[jira] [Updated] (YARN-7497) Add HDFSSchedulerConfigurationStore for RM HA

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

Jiandan Yang  updated YARN-7497:
--------------------------------
    Attachment: YARN-7497.007.patch

> 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 
>            Assignee: Jiandan Yang 
>            Priority: Major
>         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-7497.007.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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