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Tuning OpenBSD paper



First off, I don't know what Mr Reed's beef is but I learned plenty from reading this document last night and appreciate the effort that went into creating it. Like Philipp said, it's a starting point and they couldn't have possible covered every tuning subject in one paper. I particularly like the mention of shared interrupts as I was going to ask an off-topic question of the list about interrupts but my question was answered in this paper.

I do have one question about section 6.2 NKMEMPAGES. I believe it states that it gets set during compile time based on available RAM. I've got a build machine with 256MB RAM and a production machine with 64MB RAM, but vm.nkmempages is 15330 and 4070, respectively. Shouldn't these numbers be the same since I compiled the kernel on the machine with more memory?

The above isn't a big deal but this section brought up a bigger question for me. Are there any other parameters that are being set during compile on my build machine that may not be optimal for my production machine?

Thanks, Greg



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