On Wed, May 5, 2010 at 8:41 AM, dc tech <dctech1...@gmail.com> wrote:

> We are using SOLR in a production setup with a jRuby  on Rails front end
> with about  20 different instances of SOLR running on heavy duty hardware.
> The setup is load balanced front end (jRoR) on a pair of machines and the
> SOLR backends on a different machine. We have plenty of memory and CPU and
> the machines are not particularly loaded (<5% CPUs). Loads are in the range
> of 12,000 to 16,000 searches a day so not a huge number. Our overall
> response  (front end + SOLR) averages 0.5s to 0.7s with SOLR typicall
> taking
> about 100 - 300 ms.
>
> How does this compare with your experience? Would you say the performance
> is
> good/bad/ugly?
>

Are most of the queries unique?How much data do you have? What kind of query
are you using (prefix/wildcard?)? Are there evictions on the caches (you can
see this on the stats page)?

I think 0.5s to 0.7s is on the higher side.

-- 
Regards,
Shalin Shekhar Mangar.

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