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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6583) Remove clientNode in FileUnderConstructionFeature
Date Fri, 20 Jun 2014 22:02:25 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haohui Mai updated HDFS-6583:
-----------------------------

    Attachment: HDFS-6583.001.patch

> Remove clientNode in FileUnderConstructionFeature
> -------------------------------------------------
>
>                 Key: HDFS-6583
>                 URL: https://issues.apache.org/jira/browse/HDFS-6583
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>            Priority: Minor
>         Attachments: HDFS-6583.000.patch, HDFS-6583.001.patch
>
>
> {{FileUnderConstructionFeature}} contains two fields {{clientMachine}} and {{clientNode}}.
{{clientNode}} keeps a reference of a {{DatanodeDescriptor}}. The reference be recomputed
by consulting {{DatanodeManager}}.
> This jira proposes to remove {{clientNode}} in the {{FileUnderConstructionFeature}} to
simplify the code and to reduce overhead.



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