From owner-freebsd-isp Thu Oct 15 19:55:16 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA22839 for freebsd-isp-outgoing; Thu, 15 Oct 1998 19:55:16 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from backup.af.speednet.com.au (af.speednet.com.au [202.135.206.244]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA22808 for ; Thu, 15 Oct 1998 19:55:07 -0700 (PDT) (envelope-from andyf@speednet.com.au) Received: from speednet.com.au (zippy.zippynet.iol.net.au [172.22.2.8]) by backup.af.speednet.com.au (8.9.1/8.9.1) with ESMTP id MAA08373; Fri, 16 Oct 1998 12:54:05 +1000 (EST) Message-ID: <3626B54D.49AE0C41@speednet.com.au> Date: Fri, 16 Oct 1998 12:54:05 +1000 From: Andy Farkas Organization: Speed Internet Services X-Mailer: Mozilla 4.07 [en] (WinNT; I) MIME-Version: 1.0 To: Studded CC: "Mikhail A. Sokolov" , Pecsenyanszky Istvan , freebsd-isp@FreeBSD.ORG Subject: Re: kernel panic (out of mbuf's) References: <19981014011323.61957@demos.su> <362664A0.3209B97E@gorean.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Studded wrote: > > "Mikhail A. Sokolov" wrote: > > > > a) increase maxusers, as handbook teaches, b) options "NMBCLUSTERS=4096". > > When you exceed ti, try next 2x value, but don't raise NMBCLUSTERS to > > >12288 (even though you hardly need it that high). > > Why should you not raise it above 12,288? What evidence do you have to > support that? This is an issue near to my heart, so I would appreciate > any details you can provide. > > I do agree however that leaving maxusers at 512 and increasing > NMBCLUSTERS is the answer. IIRC, with maxusers at 512 there are around > 8,000 mbuf clusters, so something higher than that would be the place to > start. According to the FreeBSD FAQ, http://www.freebsd.org/FAQ/FAQ92.html, "NMBCLUSTERS=4096" is the maximum. -- :{ andyf@speednet.com.au Andy Farkas System Administrator Speed Internet Services http://www.speednet.com.au/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message