On 7/12/2011 1:12 AM, Rainer Frey wrote: > > On 11.07.2011, at 17:03, Stan Hoeppner wrote: > >> The R410 is a two socket Xeon box with max 2 x 6 core CPUs. The 24 CPUs >> you see is the result of HyperThreading being enabled. I'd disable HT >> if I were you, or those boxen mine. > > Why?
It's a troubleshooting step. HT can cause weird problems with some systems/kernels. It can also decrease performance with some workloads. As with anything, if it doesn't provide benefit, turn if off to reduce complexity and potential problems. -- Stan