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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3689) Add support for variable length block
Date Thu, 19 Jul 2012 23:38:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418800#comment-13418800
] 

Todd Lipcon commented on HDFS-3689:
-----------------------------------

Hey Suresh. This is an interesting idea which I've thought about a couple times, too.

Whenever I think about it, though, I wonder: will the variable length blocks have to all be
multiples of the checksum chunk size? Or do you think they can start and stop on arbitrary
byte boundaries?
                
> Add support for variable length block
> -------------------------------------
>
>                 Key: HDFS-3689
>                 URL: https://issues.apache.org/jira/browse/HDFS-3689
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node, hdfs client, name-node
>    Affects Versions: 3.0.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>
> Currently HDFS supports fixed length blocks. Supporting variable length block will allow
new use cases and features to be built on top of HDFS. 

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