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Posted to hdfs-dev@hadoop.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2015/09/11 22:47:45 UTC

[jira] [Resolved] (HDFS-8952) InputStream.PositionRead() should be aware of available DNs

     [ https://issues.apache.org/jira/browse/HDFS-8952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haohui Mai resolved HDFS-8952.
------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-8707

Committed to the HDFS-8707 branch. Thanks James and Bob for the reviews.

> InputStream.PositionRead() should be aware of available DNs
> -----------------------------------------------------------
>
>                 Key: HDFS-8952
>                 URL: https://issues.apache.org/jira/browse/HDFS-8952
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>             Fix For: HDFS-8707
>
>         Attachments: HDFS-8952.000.patch
>
>
> This jira provides basic functionality to allow libraries to recover from DN failures.
> {{InputStream.PositionRead()}} should (1) report the DN that when it serves reads, and (2) allows the users exclude dead nodes during reads.



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