lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Andy <angelf...@yahoo.com>
Subject Re: Does field collapsing (with facet) reduce performance?
Date Tue, 18 Jan 2011 00:57:12 GMT
I understand that the specific figures differ for everybody.

I just wanted to see if anyone who has used this feature could share their experience. A ballpark
figure -- e.g. 50% slowdown or 10 times slower -- would be helpful.


--- On Mon, 1/17/11, Markus Jelsma <markus.jelsma@openindex.io> wrote:

> From: Markus Jelsma <markus.jelsma@openindex.io>
> Subject: Re: Does field collapsing (with facet) reduce performance?
> To: solr-user@lucene.apache.org
> Cc: "Andy" <angelflow@yahoo.com>
> Date: Monday, January 17, 2011, 7:27 PM
> There is always CPU and RAM involved
> for every nice component you use. Just 
> how much the penalty is depends completely on your
> hardware, index and type of 
> query. Under heavy load it numbers will change.
> 
> Since we don't know your situation and it's hard to predict
> without 
> benchmarks, you should really do the tests yourself.
> 
> > Just wanted to know how efficient field collapsing is.
> And if there is a
> > performance penalty, how big is it likely to be?
> > 
> > I'm interested in using field collapsing with
> faceting.
> > 
> > Thanks.
> 


      

Mime
View raw message