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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Tue, 17 Jan 2012 14:46:43 -0000
Message-ID: <20120117144643.15623.6442@eos.apache.org>
Subject: 
 =?utf-8?q?=5BSolr_Wiki=5D_Update_of_=22SolrPerformanceData=22_by_Duc_Lai?=
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Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for chan=
ge notification.

The "SolrPerformanceData" page has been changed by Duc Lai:
http://wiki.apache.org/solr/SolrPerformanceData?action=3Ddiff&rev1=3D19&rev=
2=3D20

Comment:
Add new JobHits performance data

  See also: SolrPerformanceFactors
  =

  See also: [[http://lucene.apache.org/java/2_4_0/benchmarks.html|Lucene's =
benchmark page]] and this page on hardware considerations [[http://wiki.sta=
tsbiblioteket.dk/summa/Hardware|from Summa]] (which is also based on Lucene)
+ =

+ =3D=3D JobHits job search engine =3D=3D
+ =

+ JobHits is a Solr powered [[http://jobhits.co.uk search engine for jobs]]=
 since the start on May 2009. JobHits has 3 localized version for UK, [[htt=
p://jobhits.net US]] and [[http://jobhits.net Canada]]. Each website run on=
 a 2.0 GHz Dual Quad Core dedicate server with 16GB RAM. The server is used=
 for continuously crawling new data, indexing and for the public job search=
 site.
+ =

+ New jobs are being added to the index every 1 minutes at the rate of more=
 than 40,000 new documents per day.
+ On the highest loaded site JobHits.co.uk, there are about 2,1 million que=
ries to Solr at the rate of 24.235846 request per second and the average qu=
ery time is only 34 ms. Below are the statistic of the standard search hand=
ler component over a 15 days period:
+ =

+ {{{
+ description:   Search using components: org.apache.solr.handler.component=
.CollapseComponent,org.apache.solr.handler.component.FacetComponent,org.apa=
che.solr.handler.component.HighlightComponent,  =

+ stats: 	       handlerStart : 1326769855670 =

+ requests :     925736 =

+ errors :       11 =

+ timeouts :     0 =

+ totalTime :    31520551 =

+ avgTimePerRequest : 34.04918 =

+ avgRequestsPerSecond : 24.235846 =

+ }}}
+ =

  =

  =3D=3D CNET Shopper.com =3D=3D
  The numbers below are from testing done by CNET prior to launching a Solr=
 powered [[http://www.shopper.com|Shopper.com]] search page.  Shopper.com u=
ses a modified version of the DisMaxRequestHandler which also does some fac=
eted searching to pick categories for the page navigation options.  On a ty=
pical request, the handler fetches the !DocSets for 1500-2000 queries and i=
ntersects each with the !DocSet for the main search results.