Ingo Molnar wrote on Thursday, March 31, 2005 8:52 PM
> the current scheduler queue in -mm has some experimental bits as well
> which will reduce the amount of balancing. But we cannot just merge them
> an bloc right now, there's been too much back and forth in recent
> kernels. The safe-to-merge-for-2.6.12 bits are already in -BK.
I agree, please give me some time to go through these patches on our db
setup.
> the current defaults for cache_hot_time are 10 msec for NUMA domains,
> and 2.5 msec for SMP domains. Clearly too low for CPUs with 9MB cache.
> Are you increasing cache_hot_time in your experiment? If that solves
> most of the problem that would be an easy thing to fix for 2.6.12.
Yes, we are increasing the number in our experiments. It's in the queue
and I should have a result soon.
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