Date: Tue, 27 Mar 2007 21:03:55 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: socketpair: No buffer space available Message-ID: <20070327210207.F42335@fledge.watson.org> In-Reply-To: <442CBD51B75099133C8A26C5@ganymede.hub.org> References: <442CBD51B75099133C8A26C5@ganymede.hub.org>
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On Fri, 23 Mar 2007, Marc G. Fournier wrote: > I've checked nmbclusters between the two machines, and both are at 25600, > but not sure what sysctl to look at for how much is actually used out of > that 25600 ... netstat -mb nmbclusters directly affects the number of clusters available in the network stack; it also indirectly affects the scaling of other settings, such as resource limits on the number of sockets. vmstat -z is also generally useful. There are a few paths to ENOBUFS in the socket allocation code--one path is if you are over-committed on socket buffer resources with respect to the resource limits of the user. Check the output of limits and the socket buffer size limit. Robert N M Watson Computer Laboratory University of Cambridge
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