[p4] Perforce performance halts during large file copy

Chuck Karish chuck.karish at gmail.com
Mon Nov 13 08:27:23 PST 2006


That's a different problem than I had in mind, then.  Once when
I ran performance tests on a Windows system it seemed to
dedicate one processor to facilitate I/O. This could have been
a problem on a single-processor machine.

  Chuck


On 11/12/06, Jeff Desharnais <jdesharnais at maddocsoftware.com> wrote:
> 4 processors, and they never seem to be under heavy load.
>
>
> -----Original Message-----
> From: Chuck Karish [mailto:chuck.karish at gmail.com]
> Sent: Sat 11/11/2006 6:06 PM
> To: Jeff Desharnais
> Cc: perforce-user at perforce.com
> Subject: Re: [p4] Perforce performance halts during large file copy
>
> How many processors does your server system have?
>
>   Chuck
>
> On 11/9/06, Jeff Desharnais <jdesharnais at maddocsoftware.com> wrote:
> >
> > We are running Perforce 2005.2 on a Windows Server 2003.
> >
> > We are having problems where the Perforce server grinds to halt when
> > someone is copying a large set of files to the machine that runs the
> > perforce server... Even though the files are being copied to a different
> > drive than Perforce's.
> >
> > Recent scenario:
> >
> > User begins copying 18gigs of data to a drive on the server.
> >
> > Perforce appears to hang up completely and everyone loses access to the
> > depots.
> >
> > We restart the service and it runs okay for a few mintues. Shortly
> > after, Perforce becomes very slow and eventually grinds to a halt again.
> >
> > The file copy is canceled and things are now running fine again.
> >
> >
> > Can anyone explain why this may be happening? I don't see the system
> > being hogged by I/O yet Perforce still seems to grind to a halt during
> > network I/O activity. This also happened when a user tried using Winrar
> > to extract files that live on the server. Same results - Perforce grinds
> > to a halt.
> >
> > Any ideas?
> >
> > Thanks,
> >
> > ---------------------
> > Jeff Desharnais
> > IT Specialist
> > Mad Doc Software
> > 100 Burtt Rd., Suite 220
> > Andover, MA  01810
> > (978) 409-6272 Ext. 132
> >
> > _______________________________________________
> > perforce-user mailing list  -  perforce-user at perforce.com
> > http://maillist.perforce.com/mailman/listinfo/perforce-user
> >
>
>
> --
> Chuck Karish   karish at well.com   (415) 317-0182
>
>
>


-- 
Chuck Karish   karish at well.com   (415) 317-0182



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