Avoiding to collect the document frequency for idf calculation may improve a
little bit. (but certainly not that much)
---------- Debut du message initial -----------
De : Erik Hatcher <[EMAIL PROTECTED]>
A : "Lucene Developers List" <[EMAIL PROTECTED]>
Copies :
Date : Mon, 2 Feb 2004 13:29:09 -0500
Sujet : Re: Increase search performance
On Feb 2, 2004, at 10:56 AM, Albert Vila Puig wrote:
> Hi all,
>
> Can I increase the search performance disabling the score
> calculation? How can I achieve that? I only need to implement a custom
> similarity class.
> I want to score all matching documents with 1. My organization does
> not need the scoring algorithm, and I'am testing if without it the
> performance increase if better.
>
> Can I score all matching documents with 1 easily? This change will
> increase the search performace? I'am searching over multiple big
> indexes (each one of 4Gb +/-, 5Millions documents each +/-)
I very seriously doubt that a custom Similarity class would increase
performance, but why not try it and see?! :)
The only thing you'd save is a bit of computation, which is probably
negligible anyway.
Erik
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