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From "Robert Muir (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-3555) Add support for distributed stats
Date Wed, 02 Nov 2011 21:13:32 GMT
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
         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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