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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5015) Separate block/replica management code from FSNamesystem
Date Sat, 02 May 2009 04:39:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705225#action_12705225
] 

dhruba borthakur commented on HADOOP-5015:
------------------------------------------

This refactoring looks great!

> Separate block/replica management code from FSNamesystem
> --------------------------------------------------------
>
>                 Key: HADOOP-5015
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5015
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Hairong Kuang
>            Assignee: Suresh Srinivas
>             Fix For: 0.21.0
>
>         Attachments: blkmanager.patch
>
>
> Currently FSNamesystem contains a big amount of code that manages blocks and replicas.
The code scatters in FSNamesystem and it is hard to read and maintain. It would be nice to
move the code to a separate class called, for example, BlockManager. 

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