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Posted to common-dev@hadoop.apache.org by "Alejandro Abdelnur (JIRA)" <ji...@apache.org> on 2008/09/09 07:21:44 UTC

[jira] Commented: (HADOOP-3315) New binary file format

    [ https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629393#action_12629393 ] 

Alejandro Abdelnur commented on HADOOP-3315:
--------------------------------------------

On the read API the {{finalRowId()}} and {{getRowId()}}, I assume this is the row count and it is 0..N, with N being the number or rows (records) in the file right?

If that is the case, are you planing to provide an API to get the total number of rows in a directory when all files in the directory are TFiles ?



> 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: HADOOP-3315_TFILE_PREVIEW.patch, 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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