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From "Aaron T. Myers (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 23:16:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083795#comment-13083795
] 

Aaron T. Myers commented on HADOOP-7380:
----------------------------------------

bq. Yes, lets put it in the HA branch.

To be clear, it's already in the HA branch by virtue of having been in trunk before the HA
branch was created. Do you want me to revert it from trunk?

bq. I don't have specific changes in mind but I would like to connect this up to DNS, ZK and
IP based fail-over and see how
apis meet the needs. The branch is a good place to evolve it. Further as we plug the NN rpc
interface it will help us 
validate the idempotent attributed added by this jira.

I totally agree. I look forward to implementing those and seeing how this API evolves to suit.

> 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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