On Friday 27 October 2006 07:33, John Birrell wrote: > [ replying to myself ] > > On Thu, Oct 26, 2006 at 09:33:43PM +0000, John Birrell wrote: > > If you use a GENERIC kernel, then this change won't affect you > > because the KSE option will be on by default in GENERIC on > > all arches/machines except sun4v (which doesn't handle signals > > properly with the KSE code in the kernel). > > scottl persuaded me to add the KSE option to DEFAULTS on all > arches/machines (except sun4v) to avoid causing the same problem > that the io/mem change from default to optional caused. > > This means that ou will get KSE by default in your kernel (as > before it was an option) _unless_ you use add 'nooption KSE' > to your kernel config. > > This isn't my preferred solution because it makes it too > transparent, however scottl's point is that unnecessary grief > will be caused if the change isn't completely transparent. > > Sorry for the confusion. > > And BTW, the commits are all in current now...and coming to > a cvsup server near you. > > -- > John Birrell By compiling kernel without KSE option, super-smack's select-key.smack with 10 clients on Athlon64 dual-core 3800+ breaks 31000 q/s, otherwise it can only get 29000 q/s. Mysql version is 5.0.24a, FreeBSD AMD64. David XuReceived on Thu Oct 26 2006 - 22:51:44 UTC
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