From owner-freebsd-net@FreeBSD.ORG Tue Mar 12 21:19:02 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 487A4EAF for ; Tue, 12 Mar 2013 21:19:02 +0000 (UTC) (envelope-from spawk@acm.poly.edu) Received: from acm.poly.edu (acm.poly.edu [64.147.113.26]) by mx1.freebsd.org (Postfix) with ESMTP id E1DAF8C6 for ; Tue, 12 Mar 2013 21:19:01 +0000 (UTC) Received: (qmail 60843 invoked from network); 12 Mar 2013 21:12:19 -0000 Received: from unknown (HELO ?10.50.50.200?) (spawk@64.147.100.2) by acm.poly.edu with CAMELLIA256-SHA encrypted SMTP; 12 Mar 2013 21:12:19 -0000 Message-ID: <513F9A2D.8050507@acm.poly.edu> Date: Tue, 12 Mar 2013 17:12:13 -0400 From: Boris Kochergin User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:16.0) Gecko/20121110 Thunderbird/16.0.2 MIME-Version: 1.0 To: freebsd-net@freebsd.org Subject: mbuf tuning on 9.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2013 21:19:02 -0000 Hi. I have a FreeBSD 9.1/amd64 machine. It runs HAProxy and runs out of various things frequently. Sometimes it's mbufs. netstat -m: 68202/1698/69900 mbufs in use (current/cache/total) 41449/1229/42678/2622144 mbuf clusters in use (current/cache/total/max) 41449/1175 mbuf+clusters out of packet secondary zone in use (current/cache) 26405/538/26943/3276800 4k (page size) jumbo clusters in use (current/cache/total/max) 0/0/0/6400 9k jumbo clusters in use (current/cache/total/max) 0/0/0/3200 16k jumbo clusters in use (current/cache/total/max) 205568K/5034K/210603K bytes allocated to network (current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0/0/0 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 0 calls to protocol drain routines How can I increase "mbufs," as they appear above, and "mbuf clusters," as they appear above? Thank you. -Boris