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Cc: freebsd-performance@freebsd.org, Vlad GALU <dudu@dudu.ro>
Subject: Re: mysql scaling questions
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Roman Divacky wrote:
>>    BTW, now with COMPAT_43 gone out of GENERIC, is it necesary to keep
>> COMPAT_43TTY, even when Linux emulation is not needed?
> 
> COMPAT_43TTY just adds a bunch of sysctls, it does not slow down anything.
> COMPAT_43 did slow down things (the getpid for example) and it was removed.
> I dont see any problem :)

It is likely to remain in people's custom kernels, possibly including 
the one used by Ivan.  Anyway, this is all speculation until someone 
studies the claims in more detail.

Kris