Have you tried count(?o1) instead of count(*)?
Do you really want labels for subjects which also have at least one other
predicate associated with them? In graph matching terms you are currently
trying a very broad query and possibly shouldn't expect it to be returning
results very quickly.
What is the actual question you are trying to ask of the sparql endpoint?
Cheers,
Peter
----- Original Message ----
> From: Marvin Lugair <aunm...@yahoo.com>
> To: virtuoso-users@lists.sourceforge.net
> Sent: Tuesday, 30 December, 2008 6:51:33 PM
> Subject: Re: [Virtuoso-users] Virtuoso Server Still Hangs Sleeping on
> Futex_Wait /P.S.
>
> by the way, if i take out the first line ?s1 ?p1 ?o1
> the results will be returned very fast. When I keep that line the server
> eventually hangs.
>
>
>
>
> --- On Tue, 12/30/08, Marvin Lugair wrote:
>
> > From: Marvin Lugair
> > Subject: [Virtuoso-users] Virtuoso Server Still Hangs Sleeping on Futex_Wait
> > To: virtuoso-users@lists.sourceforge.net
> > Date: Tuesday, December 30, 2008, 1:43 AM
> > Hello,
> > I am still having this problem with the virtuoso server on
> > any query of significance on the latest debpedia. I have 146
> > million triples of the core dbpedia 3.2 loaded on my 8 gig
> > machine. I tried the suggestion you guys sent me including
> > recompiling with the pthreads flag. Nothing works.
> >
> >
> > Here is my latest query:
> >
> > sparql SELECT ?label1, count(*)
> > WHERE {
> > ?s1 ?p1 ?o1 .
> > ?s1
> > ?label1 .
> > FILTER(lang(?label1) =
> > "en").
> > }
> > ;
> >
> >
> >
> > Thanks!
> > Marv
> >
> > --- On Wed, 12/10/08, Marvin Lugair
> > wrote:
> >
> > > From: Marvin Lugair
> > > Subject: [Virtuoso-users] Virtuoso Server Hangs
> > Sleeping on Futex_Wait
> > > To: virtuoso-users@lists.sourceforge.net
> > > Date: Wednesday, December 10, 2008, 8:14 AM
> > > Hi,
> > >
> > > I am doing a query on dbpedia
> > > the virtuoso server is hanging on futex_wait according
> > to
> > > system monitor. Here is the strace too:
> > >
> > > :~/DataBases/dbpedia$ strace -p 6118
> > > Process 6118 attached - interrupt to quit
> > > futex(0x241d424, 0x80 /* FUTEX_??? */, 793
> > >
> > >
> > > Shutdown fails as well.
> > > This seems serious. Is it known? Give me the fix, if
> > not
> > > where would you like me to report a bug?
> > >
> > > Thanks!
> > > Marv
> > >
> > > PS. 8 gigs ram on
> > > 64 bit ubuntu 8.10 on 64 bit dual core amd athlon
> > > kernel 2.6.27-7
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> > ------------------------------------------------------------------------------
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> > Virtuoso-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>
>
>
>
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