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https://issues.apache.org/jira/browse/HADOOP-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860056#action_12860056
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Doug Cutting commented on HADOOP-6708:
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> would it be possible to include a getRecordAsByteStream() /
> getRecordAsCharStream()
What might be simpler is to implement a DatumReader<InputStream> that only
works when the schema is "bytes" and whose #read() implementation returns a
clone of BinaryDecoder#getInputStream(). You'd want to use a "direct" binary
decoder and pass it an input stream implementation that you know how to clone.
Then you could use the vanilla DataFileReader, seek to entries and read them.
> New file format for very large records
> --------------------------------------
>
> Key: HADOOP-6708
> URL: https://issues.apache.org/jira/browse/HADOOP-6708
> Project: Hadoop Common
> Issue Type: New Feature
> Components: io
> Reporter: Aaron Kimball
> Assignee: Aaron Kimball
> Attachments: lobfile.pdf
>
>
> A file format that handles multi-gigabyte records efficiently, with lazy disk
> access
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