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From <dar...@ontrenet.com>
Subject Re: term frequencies in sharded environment
Date Tue, 20 Sep 2011 14:50:59 GMT

Please see [1]

[1] https://issues.apache.org/jira/browse/SOLR-1632

On Tue, 20 Sep 2011 16:14:08 +0200, Massimo Schiavon
<mschiavon@volunia.com> wrote:
> Seems that when I submit a query in a sharded environment the idf 
> component of the scoring formula takes into consideration the local 
> terms frequencies (local to the single shard index). The effect of that 
> is that the calculation is correct only if the distribution terms in the

> shards is balanced.
> 
> Are there any way to avoid that? Perhaps by using cumulative frequencies

> in the calculation? Anything else?
> 
> Regards
> 
> Massimo

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