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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: solr single threaded?
Date Mon, 09 Aug 2010 11:58:54 GMT
Andy,

A single non-distributed search requests uses a single thread both in  Lucene 
and Solr.  This is kind of normal, so I wouldn't worry about it  if I were you.

Otis
----
Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch
Lucene ecosystem search :: http://search-lucene.com/



----- Original Message ----
> From: Andy <angelflow@yahoo.com>
> To: solr-user@lucene.apache.org
> Sent: Mon, August 9, 2010 7:53:27 AM
> Subject: Re: solr single threaded?
> 
> Otis,
> 
> Thanks. In that case what does it mean that "Lucene search is  single 
>threaded"? How is that different from the Solr  behavior?
> 
> Andy
> 
> --- On Mon, 8/9/10, Otis Gospodnetic <otis_gospodnetic@yahoo.com>  wrote:
> 
> > From: Otis Gospodnetic <otis_gospodnetic@yahoo.com>
> >  Subject: Re: solr single threaded?
> > To: solr-user@lucene.apache.org
> >  Date: Monday, August 9, 2010, 1:28 AM
> > Andy,
> > 
> > Short  answer: No, Solr will use multiple CPU cores and/or
> > multiple CPUs if  they 
> > are present.
> > 
> > A single non-distributed search  request runs in a single
> > thread, but Solr (and 
> > the servlet  container you put it in) can handle a number of
> > such threads in 
> >  parallel.
> > 
> > Otis
> > ----
> > Sematext :: http://sematext.com/ :: Solr -  Lucene - Nutch
> > Lucene ecosystem search :: http://search-lucene.com/
> > 
> > 
> > 
> > ----- Original  Message ----
> > > From: Andy <angelflow@yahoo.com>
> > > To: solr-user@lucene.apache.org
> >  > Sent: Mon, August 9, 2010 1:19:58 AM
> > > Subject: solr single  threaded?
> > > 
> > > I read that Lucene search is single  threaded. Does
> > that mean Solr search is 
> > >also  single  threaded?
> > > 
> > > What does it mean - that there are no  concurrent 
> > searches & all searches are 
> > >serialized? Can  Solr take advantages of multiple 
> > CPUs?
> > > 
> > >  Thanks.
> > > 
> > > 
> > >       
> > > 
> > 
> 
> 
> 
> 

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