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https://issues.apache.org/jira/browse/LUCENE-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12979303#action_12979303
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Robert Muir commented on LUCENE-1260:
-------------------------------------

bq. I didn't follow the entire thread here but is it worth all the effort what 
robert is suggesting or should we simply land docvalues branch and make norms a 
DocValues field? The infrastructure is already there, its integrated into codec 
and gives users the freedom to use any Type they want.

Simon, the the problem is encode/decode is in Similarity (instead of somewhere 
else).

So, you would have the same problem with DocValues!

> Norm codec strategy in Similarity
> ---------------------------------
>
>                 Key: LUCENE-1260
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1260
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.3.1
>            Reporter: Karl Wettin
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: Lucene-1260-1.patch, Lucene-1260-2.patch, 
> Lucene-1260.patch, LUCENE-1260.txt, LUCENE-1260.txt, LUCENE-1260.txt, 
> LUCENE-1260_defaultsim.patch
>
>
> The static span and resolution of the 8 bit norms codec might not fit with 
> all applications. 
> My use case requires that 100f-250f is discretized in 60 bags instead of the 
> default.. 10?

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