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From Christoph Kiehl <>
Subject Re: Indexing Strategy for 20 million documents
Date Tue, 12 Oct 2004 10:35:08 GMT
Otis Gospodnetic wrote:

> I would try putting everything in a single index first, and split it up
> only if I see performance issues.  

Why would put everything into a single index? I found some benchmark 
results on the list (starting with your post from 06/08/04) from which I 
got the impression that the performance loss is very small if I choose 
to search in multiple indexes with MultiSearcher instead of using one 
big index.

> Going from 1 index to N indices is
> not a lot of work (not a lot of Lucene-related code). 

How do you get from 1 index to N indices without adding the documents again?


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