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From "Earwin Burrfoot (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2491) Extend Codec with a SegmentInfos writer / reader
Date Mon, 07 Jun 2010 11:20:39 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876203#action_12876203
] 

Earwin Burrfoot commented on LUCENE-2491:
-----------------------------------------

Or we can force the same Codec for the whole index. Which really makes sense.

> 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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