What type of logging were you using?

Did you try log back? We get a pretty large increase when using that.

On Fri, Mar 23, 2012 at 2:57 PM, dw5ight <dw5i...@gmail.com> wrote:
> Hey All-
>
> we run a  http://carsabi.com car search engine  with Solr and did some
> benchmarking recently after we switched from a hosted service to
> self-hosting. In brief, we went from 800ms complex range queries on a 1.5M
> document corpus to 43ms. The major shifts were switching from EC2 Large to
> EC2 CC8XL which got us down to 282ms (2.82x speed gain due to 2.75x CPU
> speed increase we think), and then down to 43ms when we sharded to 8 cores.
> We tried sharding to 12 and 16 but saw negligible gains after this point.
>
> Anyway, hope this might be useful to someone - we write up exact stats and a
> step by step sharding procedure on our
> http://carsabi.com/car-news/2012/03/23/optimizing-solr-7x-your-search-speed/
> tech blog  if anyone's interested.
>
> best
> Dwight
>
> --
> View this message in context: 
> http://lucene.472066.n3.nabble.com/Practical-Optimization-tp3852776p3852776.html
> Sent from the Solr - User mailing list archive at Nabble.com.



-- 
Bill Bell
billnb...@gmail.com
cell 720-256-8076

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