On Mon, Nov 28, 2005 at 09:54:30PM +0100, Eirik ?verby wrote: > Hi, > > I think I have found the culprit. There must be some sort of > difference between the machines after all (BIOS revision?), because > while on one machine the interrupt rate for the bge card stays very > low (2 to be exact) during maximum load, the other machine goes > beyond 1000 and keeps rising constantly. This might also explain why > performance slowly degrades over time on that machine, and response > times vary wildly, while the "fast" machine responds nicely within > 1-2 seconds no matter the load and testing time. > > I will have to investigate this more closely. Is there a way to force > the NIC to polling mode (I'm assuming that is the difference, an IRQ > rate of 2 is too low for a heavily loaded server if the NIC is > interrupt-driven)? > > Anything else I could look at?
BIOS update. Kris
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