From owner-freebsd-performance@FreeBSD.ORG Sun Jul 7 19:37:14 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 8FED7618 for ; Sun, 7 Jul 2013 19:37:14 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 59D9D118C for ; Sun, 7 Jul 2013 19:37:14 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id D1CB24AC1C for ; Sun, 7 Jul 2013 23:37:10 +0400 (MSK) Date: Sun, 7 Jul 2013 23:37:04 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <866737084.20130707233704@serebryakov.spb.ru> To: freebsd-performance@freebsd.org Subject: Samba server performance -- only 33MiB/s with one client on 1G network! MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jul 2013 19:37:14 -0000 Hello, Freebsd-performance. I have 9-STABLE/amd64 server on E4500 CPU (Core2Duo 2.4Ghz), with 6GiB of DDR2-800 RAM and intel 1G adapter (em0, "82566DM-2 Gigabit Network Connection"). It has SATA software RAID5 with 5 drives. Filesystem (UFS2, 32K blocks) is exported with samba36 (latest), with enabled AIO, sendfile and TCP options for 256K window (SMB2 is turned off, as Win7 clients has confirmed, but not fixed bug in it). Local read of directory like this: tar cf - "dir" | dd bs=128k of=/dev/null shows 280MiB/s read according to "dd" diagnostics. It is about 24GiB of data, so it could not be cached. Good result, I like it. This server is connected to small home netwrok via HP ProCurve 1400-8G switch. Also, I have client, which is connected to same switch and runs Win 7. It mounts this FS via Samba. iperf from server to Win7 client (Server sends) shows ~820 Mbits/sec. It is not best performanse, but client has loosy network adapter (Atheros 1G adapter). But when I run tar cf - "dir" | dd bs=128k of=/dev/null on client it shows only 33MiB/s. It doesn't look like something near 820Mbit/s! And smbd utilize only 50% of one core. So, smbd is NOT limited by: (1) FS (33MiB/s vs 280MiB/s). (2) Network (33MiB/s vs 820Mbit/s / 97MiB/s). (3) CPU (50% vs 100%, CPU is 150% idle!). Why samba performacne is so loosy? What could -- // Black Lion AKA Lev Serebryakov From owner-freebsd-performance@FreeBSD.ORG Sun Jul 7 19:38:45 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id CF3EF69C for ; Sun, 7 Jul 2013 19:38:45 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [46.4.40.135]) by mx1.freebsd.org (Postfix) with ESMTP id 9417C11AE for ; Sun, 7 Jul 2013 19:38:45 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 2251E4AC1C for ; Sun, 7 Jul 2013 23:38:38 +0400 (MSK) Date: Sun, 7 Jul 2013 23:38:32 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <552875309.20130707233832@serebryakov.spb.ru> To: freebsd-performance@freebsd.org Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! In-Reply-To: <866737084.20130707233704@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jul 2013 19:38:45 -0000 Hello, Lev. You wrote 7 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 23:37:04: LS> Why samba performacne is so loosy? What could ...be improved? Sorry for sending incomplete message. --=20 // Black Lion AKA Lev Serebryakov From owner-freebsd-performance@FreeBSD.ORG Sun Jul 7 21:02:28 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 62E18286; Sun, 7 Jul 2013 21:02:28 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 2BC6D1686; Sun, 7 Jul 2013 21:02:28 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 68B2E4AC1C; Mon, 8 Jul 2013 01:02:26 +0400 (MSK) Date: Mon, 8 Jul 2013 01:02:24 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <1885849141.20130708010224@serebryakov.spb.ru> To: freebsd-performance@freebsd.org Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! In-Reply-To: <866737084.20130707233704@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: timur@FreeBSD.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jul 2013 21:02:28 -0000 Hello, Lev. You wrote 7 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 23:37:04: LS> So, smbd is NOT limited by: LS> (1) FS (33MiB/s vs 280MiB/s). LS> (2) Network (33MiB/s vs 820Mbit/s / 97MiB/s). LS> (3) CPU (50% vs 100%, CPU is 150% idle!). LS> Why samba performacne is so loosy? What could I've "ktrace" smbd process in question and see a lot of 67106 100935 smbd 0.003483 CALL geteuid 67106 100935 smbd 0.003485 RET geteuid 0 67106 100935 smbd 0.003487 CALL getegid 67106 100935 smbd 0.003490 RET getegid 0 67106 100935 smbd 0.003493 CALL __sysctl(0x7fffffffd130,0x2,0x7ffffff= fd14c,0x7fffffffd140,0,0) 67106 100935 smbd 0.003496 SCTL "kern.ngroups" 67106 100935 smbd 0.003500 RET __sysctl 0 67106 100935 smbd 0.003503 CALL setgroups(0x2,0x804c45280) 67106 100935 smbd 0.003506 RET setgroups 0 67106 100935 smbd 0.003509 CALL setregid(0xffffffff,0) 67106 100935 smbd 0.003513 RET setregid 0 67106 100935 smbd 0.003516 CALL getegid 67106 100935 smbd 0.003518 RET getegid 0 67106 100935 smbd 0.003521 CALL setreuid(0xffffffff,0) 67106 100935 smbd 0.003525 RET setreuid 0 67106 100935 smbd 0.003529 CALL geteuid 67106 100935 smbd 0.003543 RET geteuid 0 sequences, really, there is (for 60 seconds of dump): 2131018 geteuid calls (35516 calls/s) 2130595 getegid calls (35509 calls/s) 959106 setreuid calls (15985 calls/s) 959082 setregid calls (15984 calls/s) 957925 __sysctl calls (15965 calls/s) It looks strange to me! And very ineffective! --=20 // Black Lion AKA Lev Serebryakov From owner-freebsd-performance@FreeBSD.ORG Tue Jul 9 16:10:32 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 00879760; Tue, 9 Jul 2013 16:10:31 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id BE2DD1A77; Tue, 9 Jul 2013 16:10:31 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id A05E84AC58; Tue, 9 Jul 2013 20:10:29 +0400 (MSK) Date: Tue, 9 Jul 2013 20:10:26 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <987136020.20130709201026@serebryakov.spb.ru> To: freebsd-performance@freebsd.org, timur@FreeBSD.org Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! In-Reply-To: <1885849141.20130708010224@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 16:10:32 -0000 Hello, Lev. You wrote 8 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 1:02:24: LS> Hello, Lev. LS> You wrote 7 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 23:37:04: LS>> So, smbd is NOT limited by: LS>> (1) FS (33MiB/s vs 280MiB/s). LS>> (2) Network (33MiB/s vs 820Mbit/s / 97MiB/s). LS>> (3) CPU (50% vs 100%, CPU is 150% idle!). LS>> Why samba performacne is so loosy? What could LS> I've "ktrace" smbd process in question and see a lot of Ok, poll() takes 98.5% of time spent by samba process! Is it Ok?! And getegid()/geteuid() is takes 30% of calls (but only 0.1% of time)! But this poll() prevalence is not clear to me. So, it wait something most of time? What? --=20 // Black Lion AKA Lev Serebryakov From owner-freebsd-performance@FreeBSD.ORG Tue Jul 9 16:41:38 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 46B58553 for ; Tue, 9 Jul 2013 16:41:38 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: from mail-we0-f176.google.com (mail-we0-f176.google.com [74.125.82.176]) by mx1.freebsd.org (Postfix) with ESMTP id D41D61C5A for ; Tue, 9 Jul 2013 16:41:37 +0000 (UTC) Received: by mail-we0-f176.google.com with SMTP id t56so4876765wes.21 for ; Tue, 09 Jul 2013 09:41:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-originating-ip:in-reply-to:references:date :message-id:subject:from:to:content-type:x-gm-message-state; bh=UQdqtWumIhzrGs4xJ7S0VmsOuw7ZMOr/g1Glw5s0QcE=; b=hFFOR+LTObpo4XToE3YyBmZ/pksTFiTe5HmifsnoMuWoDwjfX4BA9ErJOoRSOxiaW2 g6pG6x7GTkoq3wueMCNX5UqpNuSEY/jPJIOHYm1nPtA98dQCCFWJYejEFKE/lTKGwhNf aQypLtO+k0C/tG96I/fLLD8sMm4b7F530ZpXvXLtBHAvA4PoNfb5o9Snj0gngS3+FydD Wv59/12acsRnlCWqaL9+T80qFdXecEBiZWgB/NBWHyxh3I9w1sWZt0djeLASpYMQc1cs i01y3Ef+D2EhAOwCCI/WwKBWn9vR2P+qPV0wKmAJEebnGYFOo9rfrE+QhPuuj0lQqj5A ObaQ== MIME-Version: 1.0 X-Received: by 10.194.78.110 with SMTP id a14mr15652239wjx.84.1373388091559; Tue, 09 Jul 2013 09:41:31 -0700 (PDT) Received: by 10.216.189.4 with HTTP; Tue, 9 Jul 2013 09:41:31 -0700 (PDT) X-Originating-IP: [216.223.13.162] In-Reply-To: <987136020.20130709201026@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru> <987136020.20130709201026@serebryakov.spb.ru> Date: Tue, 9 Jul 2013 12:41:31 -0400 Message-ID: Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! From: Mark Saad To: freebsd-performance@freebsd.org X-Gm-Message-State: ALoCoQmaQ3NEAwY84jBboltridMKddYuAXtMI+Fn0oiYp0k4VPgNGGy9gekMsm26OOcQruCjuhuG X-Mailman-Approved-At: Tue, 09 Jul 2013 18:01:11 +0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 16:41:38 -0000 On Tue, Jul 9, 2013 at 12:10 PM, Lev Serebryakov wrote: > Hello, Lev. > You wrote 8 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 1:02:24: > > LS> Hello, Lev. > LS> You wrote 7 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 23:37:04: > > LS>> So, smbd is NOT limited by: > LS>> (1) FS (33MiB/s vs 280MiB/s). > LS>> (2) Network (33MiB/s vs 820Mbit/s / 97MiB/s). > LS>> (3) CPU (50% vs 100%, CPU is 150% idle!). > LS>> Why samba performacne is so loosy? What could > LS> I've "ktrace" smbd process in question and see a lot of > Ok, poll() takes 98.5% of time spent by samba process! Is it Ok?! > And getegid()/geteuid() is takes 30% of calls (but only 0.1% of time)! > But this poll() prevalence is not clear to me. So, it wait something mos= t > of time? What? > > -- > // Black Lion AKA Lev Serebryakov > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to " > freebsd-performance-unsubscribe@freebsd.org" > Lev What can you tell us about the system tunings. Can you post a copy of you= r 1. sysctl.conf 2. loader.conf 3. smb.conf 4. /etc/fstab Also the output from 1. pciconf -lv 2. dmidecode 3. ifconfig 4. mount sanitize them as needed. --=20 mark saad | nonesuch@longcount.org From owner-freebsd-performance@FreeBSD.ORG Tue Jul 9 19:12:39 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 70E82AE9 for ; Tue, 9 Jul 2013 19:12:39 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id CEFE6161E for ; Tue, 9 Jul 2013 19:12:38 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 721244AC58; Tue, 9 Jul 2013 23:12:36 +0400 (MSK) Date: Tue, 9 Jul 2013 23:12:33 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <1783952055.20130709231233@serebryakov.spb.ru> To: Mark Saad Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! In-Reply-To: References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru> <987136020.20130709201026@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----------03E0E102612CC4C43" Cc: freebsd-performance@freebsd.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 19:12:39 -0000 ------------03E0E102612CC4C43 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello, Mark. You wrote 9 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 20:41:31: MS> What can you tell us about the system tunings. Can you post a copy of= your I need to note, that system as tuned for (a) maximum local read/write speed and (b) maximum TCP throughput in local network, as seen by "iperf". Results of these separate tunings could be seen in very first message in this thread (280MiB/s sustained local read from FS and 820Mbit/s of TCP throughput to client in question). MS> 1. sysctl.conf net.inet.tcp.recvbuf_auto=3D1 net.inet.tcp.recvbuf_inc=3D131072 net.inet.tcp.recvbuf_max=3D1048576 net.inet.tcp.sendbuf_auto=3D1 net.inet.tcp.sendbuf_inc=3D131072 net.inet.tcp.sendbuf_max=3D1048576 net.inet.tcp.maxtcptw=3D102400 net.inet.tcp.mssdflt=3D8800 net.inet.tcp.recvspace=3D262144 net.inet.tcp.sendspace=3D262144 kern.ipc.nmbclusters=3D204800 kern.ipc.nmbjumbop=3D192000 kern.ipc.maxsockbuf=3D2097152 net.inet.ip.intr_queue_maxlen=3D8192 vfs.read_max=3D32 MS> 2. loader.conf hw.em.rxd=3D4096 hw.em.txd=3D4096 net.link.ifqmaxlen=3D16384 MS> 3. smb.conf Attached MS> 4. /etc/fstab # Device Mountpoint FStype Options Dump Pas= s# /dev/label/swap none swap sw 0 0 /dev/ufs/root / ufs rw 1 1 /dev/ufs/tmp /tmp ufs rw 2 2 /dev/ufs/usr /usr ufs rw 2 2 /dev/ufs/var /var ufs rw 2 2 /dev/raid5/storage /usr/home ufs rw 2 2 linproc /compat/linux/proc linprocfs rw 0 = 0 /usr/home /backup/home nullfs rw 0 0 FS in question is "/usr/home" (exported as "storage" SMB share). MS> Also the output from MS> 1. pciconf -lv attached. MS> 2. dmidecode dmidecode MS> 3. ifconfig ifconfig -v em0 em0: flags=3D8843 metric 0 mtu 1500 options=3D4219b ether 00:1e:8c:75:03:0d inet 192.168.134.2 netmask 0xffffff00 broadcast 192.168.134.255 inet6 fe80::21e:8cff:fe75:30d%em0 prefixlen 64 scopeid 0x1 inet6 2001:470:923f:1:21e:8cff:fe75:30d prefixlen 64 autoconf nd6 options=3D23 media: Ethernet 1000baseT status: active MS> 4. mount /dev/ufs/root on / (ufs, local, soft-updates) devfs on /dev (devfs, local) /dev/ufs/tmp on /tmp (ufs, local, journaled soft-updates) /dev/ufs/usr on /usr (ufs, NFS exported, local, journaled soft-updates) /dev/ufs/var on /var (ufs, local, journaled soft-updates) /dev/raid5/storage on /usr/home (ufs, NFS exported, local, journaled soft-u= pdates) linprocfs on /usr/local/linux/proc (linprocfs, local) /usr/home on /backup/home (nullfs, local) --=20 // Black Lion AKA Lev Serebryakov ------------03E0E102612CC4C43 Content-Type: application/octet-stream; name="dmidecode.txt.bz2" Content-transfer-encoding: 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9 Jul 2013 19:56:15 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-qc0-x22e.google.com (mail-qc0-x22e.google.com [IPv6:2607:f8b0:400d:c01::22e]) by mx1.freebsd.org (Postfix) with ESMTP id B3EE618D9; Tue, 9 Jul 2013 19:56:14 +0000 (UTC) Received: by mail-qc0-f174.google.com with SMTP id m15so3201414qcq.19 for ; Tue, 09 Jul 2013 12:56:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=c0dtvV1zVsJHrf5Eq+ztvAsJ/fvwwsAm/fG8VLR2jNE=; b=fm0kgMA3wvU37viWyKN4hkzYuRGv/TbRqi31Gfi6msACNYCmBUEZCCanmO/RZSmQnt JURW9likGpmiponKZYAQU7QGwYRotmSfcrwqJcwV/P8w+iVU5hxSWbTTv9IP/ZEkmY13 3dcVKV2KikKGMugaPM0squumS3hbEkSndy11UGmP7LH4mojUjH9JKjSGERg9bGZC6/v/ qycLNZ3qDQcfVyErk3p2KMzFDfiB38Dff3w+i3aSNXdrlJAzANSX4QIBmqCXvL1ZFDyT wsUYi42bjYO7I9THwCZ4ON8OOYDWARb2GFBvLy6FnB/CNhfZ0eY45ueptLwUo2T/hyY1 WW4g== MIME-Version: 1.0 X-Received: by 10.49.117.195 with SMTP id kg3mr22346320qeb.68.1373399774204; Tue, 09 Jul 2013 12:56:14 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.195.72 with HTTP; Tue, 9 Jul 2013 12:56:14 -0700 (PDT) In-Reply-To: <1783952055.20130709231233@serebryakov.spb.ru> References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru> <987136020.20130709201026@serebryakov.spb.ru> <1783952055.20130709231233@serebryakov.spb.ru> Date: Tue, 9 Jul 2013 12:56:14 -0700 X-Google-Sender-Auth: YUesHN0SLhim452inlinLDluOQY Message-ID: Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! From: Adrian Chadd To: Lev Serebryakov Content-Type: text/plain; charset=ISO-8859-1 Cc: Mark Saad , freebsd-performance@freebsd.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 19:56:15 -0000 Wait a sec - your system is spending most of its time in poll() ? Have you run hwpmc to see if it's actually spinning in poll(), or if its just doing a lot of poll calls that are very short-lived? -adrian From owner-freebsd-performance@FreeBSD.ORG Tue Jul 9 20:15:32 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 766C02C9; Tue, 9 Jul 2013 20:15:32 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 3D3AC19E5; Tue, 9 Jul 2013 20:15:32 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:d1e6:17e6:7b26:3ee6]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id BA7BF4AC1C; Wed, 10 Jul 2013 00:15:22 +0400 (MSK) Date: Wed, 10 Jul 2013 00:15:18 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <455564843.20130710001518@serebryakov.spb.ru> To: Adrian Chadd Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G network! In-Reply-To: References: <866737084.20130707233704@serebryakov.spb.ru> <1885849141.20130708010224@serebryakov.spb.ru> <987136020.20130709201026@serebryakov.spb.ru> <1783952055.20130709231233@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: Mark Saad , freebsd-performance@freebsd.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Lev Serebryakov List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jul 2013 20:15:32 -0000 Hello, Adrian. You wrote 9 =D0=B8=D1=8E=D0=BB=D1=8F 2013 =D0=B3., 23:56:14: AC> Wait a sec - your system is spending most of its time in poll() ? AC> Have you run hwpmc to see if it's actually spinning in poll(), or if AC> its just doing a lot of poll calls that are very short-lived? I need to re-test all four cases (palin, aio, sendfile, aio + sendfile) with hwpmc. What should I read about hwpmc? Anyway, all 4 cases shows same performance. --=20 // Black Lion AKA Lev Serebryakov From owner-freebsd-performance@FreeBSD.ORG Wed Jul 10 14:50:27 2013 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 747D525C for ; Wed, 10 Jul 2013 14:50:27 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) by mx1.freebsd.org (Postfix) with ESMTP id 3494B12BB for ; Wed, 10 Jul 2013 14:50:26 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Uwvir-0001kT-6y for freebsd-performance@freebsd.org; Wed, 10 Jul 2013 16:50:25 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 10 Jul 2013 16:50:25 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 10 Jul 2013 16:50:25 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-performance@freebsd.org From: Ivan Voras Subject: Re: Outgoing mail server performance Date: Wed, 10 Jul 2013 16:50:14 +0200 Lines: 48 Message-ID: References: <51D44EF6.8000307@wallago.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="----enig2RGDJWKKIKJHUPXTAUIAH" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130322 Thunderbird/17.0.4 In-Reply-To: <51D44EF6.8000307@wallago.co.uk> X-Enigmail-Version: 1.5.1 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jul 2013 14:50:27 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2RGDJWKKIKJHUPXTAUIAH Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 03/07/2013 18:19, TJ wrote: > Hi Guys, > i am looking for some advise to help get the best out of one of my seve= rs. > It is a Dell PowerEdge R420,32GB,2x8c CPU and igb nics. > Its primary purpose is to send outgoing mail it can send up to 3 millon= > emails a day and it running exim. > I am relatively new to FreeBSD and would appreciate some pointers on > improving the performance of this server. Well, randomly tweaking things will not help you much. Try running: iostat -x 1 and vmstat 1 for a non-trivial amount of time (>10 seconds) during your peek usage (the times when you think you should be getting more performance) and report their output. ------enig2RGDJWKKIKJHUPXTAUIAH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlHddKYACgkQ/QjVBj3/HSz7QgCgjYTUX8IHAbf7hQv5dBJCJY/0 iVgAnjjLyXFAkn7F6roGqeVGFCuUQGIv =8/Nu -----END PGP SIGNATURE----- ------enig2RGDJWKKIKJHUPXTAUIAH--