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From "Dian Fu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6465) Enable the configuration of multiple clusters
Date Thu, 29 May 2014 13:35:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dian Fu updated HDFS-6465:
--------------------------

    Attachment: HDFS-6465.patch

rebase the patch against trunk

> Enable the configuration of multiple clusters
> ---------------------------------------------
>
>                 Key: HDFS-6465
>                 URL: https://issues.apache.org/jira/browse/HDFS-6465
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Dian Fu
>            Assignee: Dian Fu
>         Attachments: HDFS-6465.patch, HDFS-6465.patch
>
>
> Tracks the changes required for configuration DR.
> configurations added:
>     DFS_REGION_ID("dfs.region.id") : the region id of current cluster
>     DFS_REGIONS("dfs.regions") : the region ids of all clusters, including both the primary
cluster and mirror cluster
>     DFS_REGION_PRIMARY("dfs.region.primary") : the region id of primary cluster
> configurations modified:
>     The configurations in NAMENODE.NAMENODE_SPECIFIC_KEYS can be configured in the following
format to distinguish between clusters.
>     If a configuration with a region id as suffix cannot be found, the configuration
without region id as suffix will be used instead:
>     <configuration key>.<nameservice id>.<namenode id>.<region id>
> The configurations in NAMENODE.NAMESERVICE_SPECIFIC_KEYS can be configured in the following
format to distinguish between clusters.
> If a configuration with a region id as suffix cannot be found, the configuration without
region id as suffix will be used instead:
> <configuration key>.<nameservice id>.<region id>



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