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Posted to dev@lucene.apache.org by "Lance Norskog (Commented) (JIRA)" <ji...@apache.org> on 2011/12/09 08:08:40 UTC

[jira] [Commented] (LUCENE-3491) Portable index format

    [ https://issues.apache.org/jira/browse/LUCENE-3491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165900#comment-13165900 ] 

Lance Norskog commented on LUCENE-3491:
---------------------------------------

A couple of uses for this:
# Download index into a mobile device.
# Search index packaged with an ebook. 

Both of these situations need "longevity of format version". Stuffing a verbose format into a zip file should handle the data transmission problem. A suitable C library should do basic searches in not very much space.

Lucene currently has no "mobile strategy". This would be a good toolkit.


                
> Portable index format
> ---------------------
>
>                 Key: LUCENE-3491
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3491
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/index
>            Reporter: Andrzej Bialecki 
>         Attachments: lucene-portable.tgz, portable.pdf
>
>
> This issue presents the idea of a special-purpose Lucene index format that is suitable for cross-version compatibility and resilient to changes in Lucene implementations. Please see the attached document for more details.
> The code needs branch lucene-2621 to compile and run. It's still incomplete, in a roughly the same way as the Codec api is still incomplete ;) However, a separate tool PortableIndexExporter was implemented to illustrate how serialization of all index parts could look like.
> Comments and suggestions are welcome!

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