At 12:12 PM 05/10/2005, Robert Watson wrote:
Obviously, this is about two things: performance, and stability. Many of us
...
Of particular interest is if changing to direct dispatch hurts performance in your environment, and understanding why that is.
I enabled this last Monday on 2 SMP boxes in our spam / virus scanning cluster. Unfortunately, we had to implement some other changes (local dcc server) that would impact the performance numbers, but I can report that it is stable after a week. I am going to disable the setting tonight and go back to net.isr.direct=0 to get a day or two worth of stats to see what that does to the average message processing time and overall load average. But it does seem stable. The 2 boxes are dual core machines (Intel D830 and AMD 3800 X2) running 6.0RC1 from last week.
---Mike
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