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Date: Fri, 7 Sep 2012 03:43:08 +1100 (NCT)
From: "Uma Maheswara Rao G (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3809) Make BKJM use protobufs for all
 serialization with ZK
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    [ https://issues.apache.org/jira/browse/HDFS-3809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13449793#comment-13449793 ] 

Uma Maheswara Rao G commented on HDFS-3809:
-------------------------------------------

one small nit:

{code}
private final NamespaceInfo nsInfo;
{code}
Why do we need this as field variable? we just used it in ctor only right?
                
> 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
>         Attachments: 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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