Date: Fri, 11 Jun 2010 12:06:29 +0200 From: Ruben de Groot <mail25@bzerk.org> To: Romain Tarti??re <romain@freebsd.org>, Ivan Voras <ivoras@freebsd.org>, freebsd-hackers@freebsd.org Subject: Re: Proposal - increase SYSV SEMMNI and SEMMNS Message-ID: <20100611100629.GA89804@ei.bzerk.org> In-Reply-To: <20100611080034.GL39829@acme.spoerlein.net> References: <huqimj$str$1@dough.gmane.org> <20100610132652.GA54859@FreeBSD.org> <20100611080034.GL39829@acme.spoerlein.net>
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On Fri, Jun 11, 2010 at 10:00:34AM +0200, Ulrich Sp??rlein typed: > On Thu, 10.06.2010 at 15:26:52 +0200, Romain Tarti??re wrote: > > On Thu, Jun 10, 2010 at 01:35:47PM +0200, Ivan Voras wrote: > > > kern.ipc.semmni: 10 -> 50 > > > kern.ipc.semmns: 60 -> 300 > > > > Looks like a good idea. > > > > > This change is not as critical as before [...] but increasing the > > > defaults would be a convenience move, to save some > > > reconfiguration-and-reboot hassle when installing software. > > > > In the same vein, and while they can be tuned without a reboot, some ports > > require to increase kern.ipc.shmmax and kern.ipc.shmall for them to work > > correctly (e.g. multimedia/totem). > > > > Maybe all these 'convenience increases of IPC related defaults' can be > > done together? > > Please just do it. We should ship with sensible defaults and not > require tinkering for these sorts of things. I'm not sure if these > defaults are already per-arch, but the embedded folks might want to > retain the low defaults? Definately! And I also think application based tuning (postgres, mono) should be done per application, not by default. Ruben
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