[jira] [Resolved] (LUCENE-3555) Add support for distributed stats

["Robert Muir (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-3555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-3555.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 4.0
    
> Add support for distributed stats
> ---------------------------------
>
>                 Key: LUCENE-3555
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3555
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-3555.patch
>
>
> (its a bug in a way, since we broke this, temporarily).
> There is no way to do this now (distributed IDF, etc) with the new API.
> But we should do it right:
> * having the sim ask the searcher for docfreq of a term is wasteful and dangerous, 
>   usually we have already seek'd to the term and already collected the 'raw' stuff.
> * the situation is more than just docfreq, because you should be able to implement
>   distributed scoring for all of the new sim models (or your own), that use any
>   of Lucene's stats.

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