Date: Fri, 13 May 2005 23:54:29 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Matt Ruzicka <matt@frii.com> Cc: freebsd-net@freebsd.org Subject: Re: **net** Re: Outbound TCP issue, potentially related to'FreeBSD-SA-05:08.kmem [REVISED]' Message-ID: <20050513234632.G89371@mp2.macomnet.net> In-Reply-To: <Pine.BSF.4.58.0505131316460.4892@elara.frii.com> References: <Pine.BSF.4.58.0505121627400.66727@elara.frii.com> <20050513134227.P616@odysseus.silby.com> <20050513230848.K89035@mp2.macomnet.net> <Pine.BSF.4.58.0505131316460.4892@elara.frii.com>
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[...] > When I check the vmstat while getting errors from the netcat script I get > this. > > -->vmstat -z | grep -i sock 2005/05/13 13:33:20 > socket: 224, 16424, 16438, 0, 1150867 Limit ---------------------^^^^^ Current ---------------------------^^^^^ > Here is my vmstat -z in a "normal" state. > > ITEM SIZE LIMIT USED FREE REQUESTS [...] > socket: 224, 16424, 3621, 12817, 1167053 [...] > And during the failures.. > > ITEM SIZE LIMIT USED FREE REQUESTS [...] > socket: 224, 16424, 16430, 8, 1201620 [...] > Am I pretty much just looking at a tuning issue at this point I assume? 1) Use a persistent connection if possible. 2) /etc/sysctl.conf: net.inet.tcp.msl="5000" net.inet.ip.portrange.last="50000" perhaps /boot/loader.conf: kern.ipc.maxsockets="32768" -- Maxim Konovalov
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