Thanks for sending this link, I seem to have missed that on the wiki!
-----Original Message-----
From: Thorsten Scherler [mailto:[EMAIL PROTECTED]
Sent: 11 January 2007 15:06
To: solr-user@lucene.apache.org
Subject: Re: Performance tuning
On Thu, 2007-01-11 at 14:57 +0000, Stephanie Belton wrote:
> Hello,
>
>
>
> Solr is now up and running on our production environment and working great.
> However it is taking up a lot of extra CPU and memory (CPU usage has doubled
> and memory is swapping). Is there any documentation on performance tuning?
> There seems to be a lot of useful info in the server output but I don’t
> understand it.
>
>
>
> E.g.
> filterCache{lookups=0,hits=0,hitratio=0.00,inserts=537,evictions=0,size=337,cumulative_lookups=4723,cumulative_hits=3708,cumulative_hitratio=0.78,cumulative_inserts=4647,cumulative_evictions=72}
>
>
> queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=256,evictions=0,size=256,cumulative_lookups=3779,cumulative_hits=552,cumulative_hitratio=0.14,cumulative_inserts=3632,cumulative_evictions=0}
>
>
> documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,cumulative_lookups=66005,cumulative_hits=2460,cumulative_hitratio=0.03,cumulative_inserts=63545,cumulative_evictions=4195}
>
>
>
> etc. what should I be watching out for?
>
Hi Stephanie,
did you see http://wiki.apache.org/solr/SolrPerformanceFactors?
Further you may consider to balance the load via
http://wiki.apache.org/solr/CollectionDistribution
HTH
salu2
>
>
> Thanks
>
> Stephanie
>
