Date: Fri, 2 Oct 2009 22:29:27 +0400 From: Igor Sysoev <is@rambler-co.ru> To: Skip Ford <skip@menantico.com> Cc: freebsd-net@freebsd.org Subject: Re: stuck TIME_WAIT sockets Message-ID: <20091002182927.GA63007@rambler-co.ru> In-Reply-To: <20091002180621.GA1168@menantico.com> References: <20091002130646.GC89571@rambler-co.ru> <20091002180621.GA1168@menantico.com>
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On Fri, Oct 02, 2009 at 02:06:21PM -0400, Skip Ford wrote: > Igor Sysoev wrote: > > The TIME_WAIT sockets suddenly started to grow on a host running > > FreeBSD 7.2-STABLE, date=2009.09.06.23.59.59 > > Usually there are 3,000-5,000 TIME_WAIT sockets on the host. > > However, today they stared to grow, have reached 110,000 sockets in hour > > and still remain on this level. > > net.inet.tcp.msl is 30000. > > The host uptime is 24 days, 21:53. > > Perhaps you need this patch? > > Author: peter > Date: Thu Aug 20 22:53:28 2009 > New Revision: 196410 > URL: http://svn.freebsd.org/changeset/base/196410 > > Log: > Fix signed comparison bug when ticks goes negative after 24 days of > uptime. This causes the tcp time_wait state code to fail to expire > sockets in timewait state. > > Approved by: re (kensmith) > > Modified: > head/sys/netinet/tcp_timewait.c Thank you. -- Igor Sysoev http://sysoev.ru/en/
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