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From "Aaron T. Myers (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8246) Auto-HA: automatically scope znode by nameservice ID
Date Sat, 07 Apr 2012 23:12:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249406#comment-13249406
] 

Aaron T. Myers commented on HADOOP-8246:
----------------------------------------

+1, the patch looks good to me. Good on you, Todd.
                
> Auto-HA: automatically scope znode by nameservice ID
> ----------------------------------------------------
>
>                 Key: HADOOP-8246
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8246
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: auto-failover, ha
>    Affects Versions: Auto Failover (HDFS-3042)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hadoop-8246.txt
>
>
> Talking to some folks who work on operations/deployment, they pointed out that it would
make sense to automatically include the nameservice ID in the base znode used for automatic
failover. For example, even though the "root znode" is "/hadoop-ha", we should put the znodes
for a nameservice "my-ha-cluster" within "/hadoop-ha/my-ha-cluster". This allows federated
setups to work with no additional configuration.

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