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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8984) Move replication queues related methods in FSNamesystem to BlockManager
Date Thu, 03 Sep 2015 23:37:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14730041#comment-14730041
] 

Haohui Mai commented on HDFS-8984:
----------------------------------

Thanks for the reviews! I'll hold off the commit until tomorrow in case of additional comments.

> Move replication queues related methods in FSNamesystem to BlockManager
> -----------------------------------------------------------------------
>
>                 Key: HDFS-8984
>                 URL: https://issues.apache.org/jira/browse/HDFS-8984
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-8984.000.patch, HDFS-8984.001.patch, HDFS-8984.002.patch, HDFS-8984.003.patch,
HDFS-8984.004.patch
>
>
> Currently {{FSNamesystem}} controls whether replication queue should be populated based
on whether the NN is in safe mode or whether it is an active NN.
> Replication is a concept on the block management layer. It is more natural to place the
functionality in the {{BlockManager}} class.
> This jira proposes to move the these methods to the {{BlockManager}}.



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