Date: Tue, 20 Mar 2001 12:23:50 -0600 From: "Michael C . Wu" <keichii@iteration.net> To: Matt Dillon <dillon@earth.backplane.com> Cc: "Michael C . Wu" <keichii@iteration.net>, izero@ms26.hinet.net, cross@math.psu.edu, Alfred Perlstein <bright@wintelcom.net>, grog@FreeBSD.ORG, fs@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: tuning a VERY heavily (30.0) loaded scerver Message-ID: <20010320122350.F52586@peorth.iteration.net> In-Reply-To: <200103201815.f2KIFR594803@earth.backplane.com>; from dillon@earth.backplane.com on Tue, Mar 20, 2001 at 10:15:27AM -0800 References: <20010320111144.A51924@peorth.iteration.net> <20010320092717.R29888@fw.wintelcom.net> <20010320113818.B52586@peorth.iteration.net> <20010320120112.C52586@peorth.iteration.net> <200103201815.f2KIFR594803@earth.backplane.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Mar 20, 2001 at 10:15:27AM -0800, Matt Dillon scribbled: | | :Another problem is that we have around 4000+ processes accessing | :lots of SHM at the same time.. | | How big is 'lots'? If the shared memory segment is smallish, e.g. | less then 64MB, you should be ok. If it is larger then you will | have to do some kernel tuning to avoid running out of pmap entries. This is exactly what happens to us sometimes. We run out of pmap entries. :) But what can we tune? -- +-----------------------------------------------------------+ | keichii@iteration.net | keichii@freebsd.org | | http://iteration.net/~keichii | Yes, BSD is a conspiracy. | +-----------------------------------------------------------+ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010320122350.F52586>