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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3315) New binary file format
Date Wed, 14 May 2008 17:34:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596841#action_12596841
] 

Doug Cutting commented on HADOOP-3315:
--------------------------------------

> You might consider implementing TFile as an Interface with an easily subclassable or
reuseable implementation?

TFile should not be an interface, but perhaps we should have an an abstract class for such
files.  Then we might have a SequenceFile-based implementation, so that it would be easy to
have code that can, e.g., both process SequenceFiles and TFiles with a simple way to select
one or the other.


> New binary file format
> ----------------------
>
>                 Key: HADOOP-3315
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3315
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: io
>            Reporter: Owen O'Malley
>            Assignee: Srikanth Kakani
>         Attachments: Tfile-1.pdf, TFile-2.pdf
>
>
> SequenceFile's block compression format is too complex and requires 4 codecs to compress
or decompress. It would be good to have a file format that only needs 

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