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https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630667#action_12630667
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Pete Wyckoff commented on HADOOP-3315:
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bq. but also forward compatibility (old software read new data).
this is also aided greatly by using thrift/protobuffers/record io since they
can parse newer versions of the same struct and just ignore unknown fields
Stupid question, but if I am not really using the key field (ie just storing an
opaque row), does the TFile incur anymore overhead for all the empty keys then
does a SequenceFile?
> 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: Amir Youssefi
> Attachments: HADOOP-3315_TFILE_PREVIEW.patch,
> HADOOP-3315_TFILE_PREVIEW_WITH_LZO_TESTS.patch, TFile Specification Final.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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