Date: Mon, 8 Mar 2004 09:29:14 -0800 (PST) From: =?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?= <mbsd@pacbell.net> To: Mike Jakubik <mikej@rogers.com> Cc: stable@freebsd.org Subject: RE: Semaphore scaling Message-ID: <20040308092705.G52379@atlas.home> In-Reply-To: <20040308150343.DEFA434741.fep02-mail.bloor.is.net.cable.rogers.com@win2000> References: <20040308150343.DEFA434741.fep02-mail.bloor.is.net.cable.rogers.com@win2000>
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On Mon, 8 Mar 2004, Mike Jakubik wrote: [...] > I have adjusted the variables in /etc/sysctl.conf as follows: > > kern.ipc.semmap=60 > kern.ipc.semmni=20 > kern.ipc.semmns=120 > kern.ipc.semmnu=60 > kern.ipc.semmsl=120 > kern.ipc.semopm=200 > kern.ipc.semume=20 > > However, when I do 'sysctl kern.ipc|grep sem' I get the floowing results: > > kern.ipc.semmni: 10 [...] > It seems that kern.ipc.semmni is not being incremented. Am I doing something > wrong here? Is this variable not tunable at boot? Interesting enough, these > values in LINT are represented as x+1, i.e. SEMMAP=31 and SEMMNI=11. Some of those sysctls are read-only. You'll have to set them before the kernel is loaded, in /boot/loader.conf. $.02, /Mikko
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