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https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602135#action_12602135
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Srikanth Kakani commented on HADOOP-3315:
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At the beginning of each block. We need to record the first key that goes into
the block for making an index entry. A raw write may preclude us from doing
that, unless we wrap it around a "BoundedOutputStream" that captures the first
n bytes written out.
> 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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