From owner-freebsd-stable@FreeBSD.ORG Wed Jun 25 13:35:01 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 57232795 for ; Wed, 25 Jun 2014 13:35:01 +0000 (UTC) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 05AF4288B for ; Wed, 25 Jun 2014 13:35:00 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.9/8.14.9) with ESMTP id s5PDYrwP087312; Wed, 25 Jun 2014 09:34:56 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <53AACFE8.3060509@sentex.net> Date: Wed, 25 Jun 2014 09:34:32 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Eugene Grosbein Subject: Re: nfs slowdown (RELENG_8) References: <2091718059.2982836.1403563319620.JavaMail.root@uoguelph.ca> <53A978D1.2000207@sentex.net> <53A987AE.8060708@sentex.net> <53A9DC0D.2000705@sentex.net> <20140625131237.GA82922@rdtc.ru> In-Reply-To: <20140625131237.GA82922@rdtc.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.74 Cc: Rick Macklem , FreeBSD-STABLE Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jun 2014 13:35:01 -0000 On 6/25/2014 9:12 AM, Eugene Grosbein wrote: > ktrace cat /dev/zero > /nfsbackup/test Thanks, on the problem machine 88560 cat STRU struct stat {dev=103, ino=117891, mode=-rw-r--r-- , nlink=1, uid=0, gid=0, rdev=473963, atime=1403703085, stime=1187202566, ctime=1401800262, birthtime=1187202566, size=152, blksize=16384, blocks=4, flags=0x0 } 88560 cat STRU struct stat {dev=103, ino=235542, mode=-r--r--r-- , nlink=1, uid=0, gid=0, rdev=949672, atime=1403703085, stime=1402007556, ctime=1402007556, birthtime=1402007556, size=1157896, blksize=16384, blocks=2304, flags=0x20000 } 88560 cat STRU struct stat {dev=33619719, ino=51388601, mode=-rw-r--r-- , nlink=1, uid=1010, gid=181, rdev=4294967295, atime=1403534802.483337628, stime=1403703085.656336961, ctime=1403703085.656336961, birthtime=-1, size=0, blksize=4096, blocks=1, flags=0x0 } On the normal performing machine 46283 cat STRU struct stat {dev=70, ino=17706, mode=-rw-r--r-- , nlink=1, uid=0, gid=0, rdev=70399, atime=1403703136, stime=1305670285, ctime=1305670285, birthtime=1168289606, size=157, blksize=16384, blocks=4, flags=0x0 } 46283 cat STRU struct stat {dev=70, ino=33081, mode=-r--r--r-- , nlink=1, uid=0, gid=0, rdev=147000, atime=1403703136, stime=1402607729, ctime=1402607729, birthtime=1402607729, size=1157892, blksize=16384, blocks=2304, flags=0x20000 } 46283 cat STRU struct stat {dev=50396944, ino=5275691, mode=-rw-r--r-- , nlink=1, uid=1009, gid=181, rdev=0, atime=1403634416, stime=1403703137, ctime=1403703137, birthtime=-1, size=0, blksize=4096, blocks=0, flags=0x0 } -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/