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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7380) Add client failover functionality to o.a.h.io.(ipc|retry)
Date Thu, 11 Aug 2011 19:54:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083439#comment-13083439
] 

Sanjay Radia commented on HADOOP-7380:
--------------------------------------

I am concerned about the idempotent operation part of the patch. 
This is a significant change and it would be good to describe and discuss this.
Aaron could you please provide a short description in this Jira.

Also shouldn't this be going into the HA branch?
As we use it with NN failover this will need to be refined. Further it will require a test
plan that we can develop a part of the HA branch. 

> Add client failover functionality to o.a.h.io.(ipc|retry)
> ---------------------------------------------------------
>
>                 Key: HADOOP-7380
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7380
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: ipc
>    Affects Versions: 0.23.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 0.23.0
>
>         Attachments: hadoop-7380-hdfs-example.patch, hadoop-7380.0.patch, hadoop-7380.1.patch,
hadoop-7380.2.patch, hdfs-7380.3.patch
>
>
> Implementing client failover will likely require changes to {{o.a.h.io.ipc}} and/or {{o.a.h.io.retry}}.
This JIRA is to track those changes.

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