Re: [PERFORM] Performance problems on 4/8way Opteron (dualcore) HP

2005-07-31 Thread Dirk Lutzebäck
Hi Jeff, which box are you running precisely and which OS/kernel? We need to run 32bit because we need failover to 32 bit XEON system (DL580). If this does not work out we probably need to switch to 64 bit (dump/restore) and run a nother 64bit failover box too. Regards, Dirk Jeffrey W. B

Re: [PERFORM] Performance problems on 4/8way Opteron (dualcore) HP

2005-07-31 Thread Dirk Lutzebäck
Anybody knows if RedHat is already supporting this patch on an enterprise version? Regards, Dirk J. Andrew Rogers wrote: On 7/29/05 10:46 AM, "Josh Berkus" wrote: does anybody have expierence with this machine (4x 875 dual core Opteron CPUs)? Nope. I suspect that you may be the first

Re: [PERFORM] Performance problems on 4/8way Opteron (dualcore) HP

2005-07-29 Thread Jeffrey W. Baker
On Fri, 2005-07-29 at 10:46 -0700, Josh Berkus wrote: > Dirk, > > > does anybody have expierence with this machine (4x 875 dual core Opteron > > CPUs)? I'm using dual 275s without problems. > Nope. I suspect that you may be the first person to report in on > dual-cores. There may be special

Re: [PERFORM] Performance problems on 4/8way Opteron (dualcore) HP DL585

2005-07-29 Thread Josh Berkus
Dirk, > does anybody have expierence with this machine (4x 875 dual core Opteron > CPUs)? Nope. I suspect that you may be the first person to report in on dual-cores. There may be special compile issues with dual-cores that we've not yet encountered. > We run RHEL 3.0, 32bit and under high

[PERFORM] Performance problems on 4/8way Opteron (dualcore) HP DL585

2005-07-29 Thread Dirk Lutzebäck
Hi, does anybody have expierence with this machine (4x 875 dual core Opteron CPUs)? We run RHEL 3.0, 32bit and under high load it is a drag. We mostly run memory demanding queries. Context switches are pretty much around 20.000 on the average, no cs spikes when we run many processes in parall