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http://issues.apache.org/jira/browse/LUCENE-517?page=comments#action_12369936 ] 

Randy Puttick commented on LUCENE-517:
--------------------------------------

Thanks Yorik, this could work for my purposes; it'd be nice to have a choice on 
a per-field basis don't you think?

> norm compression breaks ranking for small fields
> ------------------------------------------------
>
>          Key: LUCENE-517
>          URL: http://issues.apache.org/jira/browse/LUCENE-517
>      Project: Lucene - Java
>         Type: Bug
>   Components: Index, Search
>     Versions: 1.9
>  Environment: N/A
>     Reporter: Randy Puttick

>
> The scheme of compressing document norms to one byte loses a lot of 
> information.  This completely breaks search ranking on small fields because 
> there is no way to see the difference between documents with shorter and 
> longer fields that contain the same number of matching query terms.  
> Unfortunately the export of norms as a byte array seems to be pretty well 
> embedded in the code base so a fix would seem to require a major rev.

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