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 <angelf...@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_gospodne...@yahoo.com> wrote: > > > From: Otis Gospodnetic <otis_gospodne...@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 <angelf...@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. > > > > > > > > > > > > > > > > > >
