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From "Andrzej Bialecki (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2491) Extend Codec with a SegmentInfos writer / reader
Date Mon, 07 Jun 2010 09:08:13 GMT
Extend Codec with a SegmentInfos writer / reader
------------------------------------------------

                 Key: LUCENE-2491
                 URL: https://issues.apache.org/jira/browse/LUCENE-2491
             Project: Lucene - Java
          Issue Type: Improvement
          Components: Index
    Affects Versions: 4.0
            Reporter: Andrzej Bialecki 


I'm trying to implement a Codec that works with append-only filesystems (HDFS). It's _almost_
done, except for the SegmentInfos.write(dir), which uses ChecksumIndexOutput, which in turn
uses IndexOutput.seek() - and seek is not supported on append-only output. I propose to extend
the Codec interface to encapsulate also the details of SegmentInfos writing / reading. Patch
to follow after some feedback ;)

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