Date: Tue, 4 Jun 2002 22:20:48 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Nguyen-Tuong Long Le <le@cs.unc.edu> Cc: freebsd-net@FreeBSD.ORG Subject: Re: Problem with SYN cache in FreeBSD 4.5 Message-ID: <20020604221848.J42854-100000@patrocles.silby.com> In-Reply-To: <Pine.GSO.4.10.10206042250540.19770-100000@capefear.cs.unc.edu>
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On Tue, 4 Jun 2002, Nguyen-Tuong Long Le wrote: > Here is the output of "netstat -La" > > Current listen queue sizes (qlen/incqlen/maxqlen) > Proto Listen Local Address > tcp4 3/0/8192 *.6789 > > > I wonder why the listen queue overflows when there are so few > connections in the queue. The number of listen queue overflows > is equal to the number of syncache aborts. Is it a coincidence > or are they related? > > Thanks, > -- long It appears that the primary reason a syncache abort would occur is because the system has run out of sockets. Is kern.ipc.numopensockets approaching kern.ipc.maxsockets? Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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