Date: Wed, 10 Jul 1996 18:33:06 -0700 From: David Greenman <davidg@root.com> To: Sujal Patel <smpatel@umiacs.umd.edu> Cc: freebsd-bugs@freebsd.org Subject: Re: out of mbuf clusters Message-ID: <199607110133.SAA05738@root.com> In-Reply-To: Your message of "Wed, 10 Jul 1996 13:34:59 EDT." <Pine.OSF.3.91.960710133253.31763A-100000@mickey.umiacs.umd.edu>
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>After you run out of mbuf clusters, the entires system beings swapping >very hard (until rebooted). I know this would normally panic the system >(and it's nice that it doesn't), but is there a memory leak in the >handler for this situation? Mbuf clusters are never freed back to the global free memory pool. If your machine doesn't have much memory and the number of clusters that get allocated is large, then there won't be much left for user processes and the machine will thrash or worse. You have to have the memory resources if you want to handle high networking loads. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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