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From Teruhiko Kurosaka <K...@basistech.com>
Subject RE: Solr 1.4 (RC) performance on multi-CPU system
Date Mon, 26 Oct 2009 20:32:45 GMT
Thank you, Yonik.

Are multiple CPUs utilized at indexing time as well, or just by searcher?

-kuro  

> -----Original Message-----
> From: yseeley@gmail.com [mailto:yseeley@gmail.com] On Behalf 
> Of Yonik Seeley
> Sent: Monday, October 26, 2009 11:27 AM
> To: solr-user@lucene.apache.org
> Subject: Re: Solr 1.4 (RC) performance on multi-CPU system
> 
> 2009/10/26 Teruhiko Kurosaka <Kuro@basistech.com>:
> > Is Solr 1.4 (Release Candidate) suppose to take advantage 
> of muti-CPU 
> > (core) system? I.e. if more than one update or search 
> requests come in 
> > about the same time, they can be automatically assigned to differnt 
> > CPUs if available (and the OS does its job right)?
> 
> Yes.
> Solr 1.4 will be more efficient than 1.3 for concurrent requests too:
> http://yonik.wordpress.com/2008/12/01/solr-scalability-improvements/
> 
> > BTW, the term "multicore" in Solr discussion is about 
> having multiple 
> > indexes, and has little to do with a system having more 
> than one CPU 
> > cores, doesn't it?
> 
> Right.
> 
> -Yonik
> http://www.lucidimagination.com
> 
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