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From: "Dian Fu (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HDFS-6465) Enable the configuration of multiple
 clusters
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     [ https://issues.apache.org/jira/browse/HDFS-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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

     Target Version/s: 3.0.0
    Affects Version/s:     (was: DisasterRecovery (HDFS-5442))
        Fix Version/s:     (was: 3.0.0)

> 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-6465.1.patch, HDFS-6465.2.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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