Date: Fri, 31 Dec 1999 12:43:21 -0800 From: Mike Smith <msmith@freebsd.org> To: "Mr. K." <bsd@inbox.org> Cc: Mike Smith <msmith@freebsd.org>, stable@freebsd.org Subject: Re: Panic: Out of mbuf clusters Message-ID: <199912312043.MAA02795@mass.cdrom.com> In-Reply-To: Your message of "Fri, 31 Dec 1999 09:53:49 EST." <Pine.BSF.3.96.991231094155.1930B-100000@inbox.org>
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> On Thu, 30 Dec 1999, Mike Smith wrote: > > > > OK, so I raised NMBCLUSTERS to 4096, and installed a second freebsd-stable > > > box also with NMBCLUSTERS at 4096, and I managed to have them both panic > > > at the same time (unfortunately, only one of them gave me a crash dump). > > > But anyway, here is the stack trace, hopefully someone can tell me if this > > > is the same as the known problem, and whether 4.0 would fix it. > > > > Again, 4096 is (obviously) not high enough. No, upgrading to 4.x won't > > "fix" your problem. The panic is telling you that you _have_not_ tuned > > the system correctly. > > 4096 _is_ high enough for what I want. Consider a web company who gets > 5Mbps of transfer request 99.9% of the time and 1000Mbps of transfer > request 0.1% of the time. Would you tell them that a 10Mbps internet > connection is (obviously) not high enough? Would you consider it a bug if > their machine rebooted every time they got more than 10Mbps in requests? That would depend on what happened to their business model if/when their bandwidth proved inadequate. If they were eg. serving streaming video, I'd say they needed a better link. > Consider cdrom.com. Would you consider it a bug if freebsd rebooted every > time they received 5001 simultaneous connection requests and tell them to > tune their FTP server correctly? Er, since we _have_ tuned our FTP server correctly, that's somewhat of a silly question to be asking. > How am I supposed to test my system, both hardware and software, if I > can't push them to their limits? You're welcome to push the system to its limit. All you're seeing is that the system is telling you that you've hit it, and how to move that limit further out. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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