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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-680) Add new access method to a copy of a block's replica
Date Tue, 13 Oct 2009 18:16:31 GMT

     [ https://issues.apache.org/jira/browse/HDFS-680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HDFS-680:
-------------------------------------

    Status: Patch Available  (was: Open)

> Add new access method to a copy of a block's replica
> ----------------------------------------------------
>
>                 Key: HDFS-680
>                 URL: https://issues.apache.org/jira/browse/HDFS-680
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.21.0
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Shvachko
>             Fix For: 0.21.0
>
>         Attachments: replicaClone.patch
>
>
> Sometimes tests (and perhaps other client applications) might need an access to the state
of a block's replica.
> Currently it is accessible through  {{FSDataset}} member of {{DataNode}} class. However,
{{FSDataset}} is an internal matter of {{DataNode}} and shouldn't be available externally.
> This JIRA will provide new getter method which will be returning a copy of a block's
replica instead of a reference to an actual replica. 

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