Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 1/21/2010 8:23 PM, Christian Balzer wrote: > > Hello, > > On Thu, 21 Jan 2010 16:18:01 -0500 Norman Sardella wrote: > >> I was able to address my performance/latency issues >> by putting drbd/network/disk interrupts on the same CPU. >> > This is very interesting, what kind of CPUs are you using and did > you limit that to one core or multiple cores on one CPU? > I would expect the penalty for multiple cores on the same Opteron CPU > to be less than the 70us you saw, but I am no AMD CPU designer. ^.^ This was on Nehlahem with 1 CPU on 2nd core. > My fear of doing something like this would be to run out of steam > on that core when things get busy. I have nothing else going on in the system, just doing some path finding at the moment to see where the overhead is. Thanks > > Regards, > > Christian