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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3809) Make BKJM use protobufs for all serialization with ZK
Date Tue, 30 Oct 2012 02:34:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486610#comment-13486610
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Uma Maheswara Rao G commented on HDFS-3809:
-------------------------------------------

I need to update in trunk CHANGES.txt to 2.0.3-alpha section. I will do this in some time
today. Also need to do the same for HDFS-3573, HDFS-3695, HDFS-3789. So, leaving it as open
util I do that update.
                
> Make BKJM use protobufs for all serialization with ZK
> -----------------------------------------------------
>
>                 Key: HDFS-3809
>                 URL: https://issues.apache.org/jira/browse/HDFS-3809
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: 3.0.0, 2.0.3-alpha
>
>         Attachments: 0004-HDFS-3809-for-branch-2.patch, HDFS-3809.diff, HDFS-3809.diff,
HDFS-3809.diff
>
>
> HDFS uses protobufs for serialization in many places. Protobufs allow fields to be added
without breaking bc or requiring new parsing code to be written. For this reason, we should
use them in BKJM also.

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