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From "Eli Collins (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2129) Simplify BlockReader to not inherit from FSInputChecker
Date Thu, 03 Nov 2011 00:17:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142713#comment-13142713
] 

Eli Collins commented on HDFS-2129:
-----------------------------------

+1   latest patch looks great
                
> Simplify BlockReader to not inherit from FSInputChecker
> -------------------------------------------------------
>
>                 Key: HDFS-2129
>                 URL: https://issues.apache.org/jira/browse/HDFS-2129
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs client, performance
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.24.0
>
>         Attachments: hdfs-2129-benchmark.png, hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt,
hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, hdfs-2129.txt, seq-read-1gb-bench.png
>
>
> BlockReader is currently quite complicated since it has to conform to the FSInputChecker
inheritance structure. It would be much simpler to implement it standalone. Benchmarking indicates
it's slightly faster, as well.

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