Date: Wed, 01 Nov 2017 21:43:36 +0000 From: diann.jossy@managebusinesses.com To: freebsd-stable@freebsd.org Subject: Managed Service Providers Contact List Message-ID: <94eb2c1886e48e15a9055cf2c337@google.com>
next in thread | raw e-mail | index | archive | help
PGRpdiBkaXI9Imx0ciI+PHAgY2xhc3M9ImdtYWlsLU1zb05vU3BhY2luZyI+PHNwYW4gIA0Kc3R5 bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpy Z2IoMzEsNzgsMTIxKSI+SGksPC9zcGFuPjwvcD4NCg0KPHAgY2xhc3M9ImdtYWlsLU1zb05vU3Bh Y2luZyI+PHNwYW4gIA0Kc3R5bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmks c2Fucy1zZXJpZjtjb2xvcjpyZ2IoMzEsNzgsMTIxKSI+V291bGQgIA0KeW91IGJlDQppbnRlcmVz dGVkIGluIGEgbGlzdCBvZiA8Yj5NYW5hZ2VkIFNlcnZpY2UgUHJvdmlkZXJzIChNU1BzKTwvYj4g YW5kIDxiPkNsb3VkDQpTZXJ2aWNlIFByb3ZpZGVyczwvYj4gPGI+KENTUHMpPzwvYj48L3NwYW4+ PC9wPg0KDQo8cCBjbGFzcz0iZ21haWwtTXNvTm9TcGFjaW5nIj48c3BhbiAgDQpzdHlsZT0iZm9u dC1zaXplOjExcHQ7Zm9udC1mYW1pbHk6Q2FsaWJyaSxzYW5zLXNlcmlmO2NvbG9yOnJnYigzMSw3 OCwxMjEpIj5Zb3UgIA0KbWF5IGFsc28gYmUNCmludGVyZXN0ZWQgaW4gZGF0YWJhc2Ugb2Y6PC9z cGFuPjwvcD4NCg0KPHAgY2xhc3M9ImdtYWlsLU1zb05vU3BhY2luZyI+PGI+PHNwYW4gIA0Kc3R5 bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpy Z2IoMzEsNzgsMTIxKSI+MS7CoMKgwqDCoMKgDQpNYW5hZ2VkIFNlY3VyaXR5IFNlcnZpY2UgUHJv dmlkZXJzLSBNU1NQczwvc3Bhbj48L2I+PHNwYW4gIA0Kc3R5bGU9ImZvbnQtc2l6ZToxMXB0O2Zv bnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpyZ2IoMzEsNzgsMTIxKSI+PHNwYW4+ PC9zcGFuPjwvc3Bhbj48L3A+DQoNCjxwIGNsYXNzPSJnbWFpbC1Nc29Ob1NwYWNpbmciPjxiPjxz cGFuICANCnN0eWxlPSJmb250LXNpemU6MTFwdDtmb250LWZhbWlseTpDYWxpYnJpLHNhbnMtc2Vy aWY7Y29sb3I6cmdiKDMxLDc4LDEyMSkiPjIuwqDCoMKgwqDCoA0KVmFsdWUgQWRkZWQgUmVzZWxs ZXJzLSBWQVJzPC9zcGFuPjwvYj48c3BhbiAgDQpzdHlsZT0iZm9udC1zaXplOjExcHQ7Zm9udC1m YW1pbHk6Q2FsaWJyaSxzYW5zLXNlcmlmO2NvbG9yOnJnYigzMSw3OCwxMjEpIj48c3Bhbj48L3Nw YW4+PC9zcGFuPjwvcD4NCg0KPHAgY2xhc3M9ImdtYWlsLU1zb05vU3BhY2luZyI+PGI+PHNwYW4g IA0Kc3R5bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtj b2xvcjpyZ2IoMzEsNzgsMTIxKSI+My7CoMKgwqDCoMKgDQpJbmRlcGVuZGVudCBTb2Z0d2FyZSBW ZW5kb3JzLSBJU1ZzPC9zcGFuPjwvYj48c3BhbiAgDQpzdHlsZT0iZm9udC1zaXplOjExcHQ7Zm9u dC1mYW1pbHk6Q2FsaWJyaSxzYW5zLXNlcmlmO2NvbG9yOnJnYigzMSw3OCwxMjEpIj48c3Bhbj48 L3NwYW4+PC9zcGFuPjwvcD4NCg0KPHAgY2xhc3M9ImdtYWlsLU1zb05vU3BhY2luZyI+PGI+PHNw YW4gIA0Kc3R5bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJp Zjtjb2xvcjpyZ2IoMzEsNzgsMTIxKSI+NC7CoMKgwqDCoMKgDQpTeXN0ZW0gSW50ZWdyYXRvcnMt IFNJczwvc3Bhbj48L2I+PHNwYW4gIA0Kc3R5bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5 OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpyZ2IoMzEsNzgsMTIxKSI+PHNwYW4+PC9zcGFuPjwv c3Bhbj48L3A+DQoNCjxwIGNsYXNzPSJnbWFpbC1Nc29Ob1NwYWNpbmciPjxiPjxzcGFuICANCnN0 eWxlPSJmb250LXNpemU6MTFwdDtmb250LWZhbWlseTpDYWxpYnJpLHNhbnMtc2VyaWY7Y29sb3I6 cmdiKDMxLDc4LDEyMSkiPjUuwqDCoMKgwqDCoA0KVm9JUCBTZXJ2aWNlIFByb3ZpZGVycy48L3Nw YW4+PC9iPjwvcD4NCg0KPHAgY2xhc3M9ImdtYWlsLU1zb05vU3BhY2luZyI+PHNwYW4gIA0Kc3R5 bGU9ImZvbnQtc2l6ZToxMXB0O2ZvbnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpy Z2IoMzEsNzgsMTIxKSI+UGxlYXNlICANCmxldCBtZSBrbm93DQppZiB0aGlzIGlzIHNvbWV0aGlu ZyBvZiBpbnRlcmVzdCB0byB5b3Ugc28gdGhhdCBJIGNhbiBwcm92aWRlIHlvdSB3aXRoICANCmZ1 cnRoZXINCmluZm9ybWF0aW9uLjwvc3Bhbj48L3A+DQoNCjxwIGNsYXNzPSJnbWFpbC1Nc29Ob1Nw YWNpbmciPjxiPjxzcGFuICANCnN0eWxlPSJmb250LXNpemU6MTFwdDtmb250LWZhbWlseTpDYWxp YnJpLHNhbnMtc2VyaWY7Y29sb3I6cmdiKDMxLDc4LDEyMSkiPkJlc3QgIA0KUmVnYXJkcyw8L3Nw YW4+PC9iPjxzcGFuICANCnN0eWxlPSJmb250LXNpemU6MTFwdDtmb250LWZhbWlseTpDYWxpYnJp LHNhbnMtc2VyaWY7Y29sb3I6cmdiKDMxLDc4LDEyMSkiPjxzcGFuPjwvc3Bhbj48L3NwYW4+PC9w Pg0KDQo8cCBjbGFzcz0iZ21haWwtTXNvTm9TcGFjaW5nIj48Yj48c3BhbiAgDQpzdHlsZT0iZm9u dC1zaXplOjEwcHQ7Zm9udC1mYW1pbHk6QXJpYWwsc2Fucy1zZXJpZjtjb2xvcjpyZ2IoMzEsNzgs MTIxKTtiYWNrZ3JvdW5kLWltYWdlOmluaXRpYWw7YmFja2dyb3VuZC1wb3NpdGlvbjppbml0aWFs O2JhY2tncm91bmQtc2l6ZTppbml0aWFsO2JhY2tncm91bmQtcmVwZWF0OmluaXRpYWw7YmFja2dy b3VuZC1vcmlnaW46aW5pdGlhbDtiYWNrZ3JvdW5kLWNsaXA6aW5pdGlhbCI+RGlhbm4NCkpvc3N5 PHNwYW4+PC9zcGFuPjwvc3Bhbj48L2I+PC9wPg0KDQo8cCBjbGFzcz0iZ21haWwtTXNvTm9TcGFj aW5nIj48c3BhbiAgDQpzdHlsZT0iZm9udC1zaXplOjExcHQ7Zm9udC1mYW1pbHk6Q2FsaWJyaSxz YW5zLXNlcmlmO2NvbG9yOnJnYigzMSw3OCwxMjEpIj5EYXRhICANCkdlbmVyYXRpb248L3NwYW4+ PC9wPg0KDQo8cCBjbGFzcz0iZ21haWwtTXNvTm9TcGFjaW5nIiBhbGlnbj0iY2VudGVyIiAgDQpz dHlsZT0idGV4dC1hbGlnbjpjZW50ZXIiPjxzcGFuICANCnN0eWxlPSJmb250LXNpemU6OHB0O2Zv bnQtZmFtaWx5OkNhbGlicmksc2Fucy1zZXJpZjtjb2xvcjpyZ2IoMzEsNzgsMTIxKSI+SWYgIA0K c2VlIG5vIGludGVyZXN0DQpwbGVhc2UgcmVwbHkg4oCcTm8gTmVlZOKAnSBpbiBzdWJqZWN0IGxp bmUuPHNwYW4+PC9zcGFuPjwvc3Bhbj48L3A+PC9kaXY+DQo8cD4mbmJzcDs8L3A+PGEgc3R5bGU9 J2Rpc3BsYXk6IGJsb2NrOyBtYXJnaW46IDMycHggMCA0MHB4IDA7IHBhZGRpbmc6ICANCjEwcHg7 IGZvbnQtc2l6ZTogMWVtOyB0ZXh0LWFsaWduOiBjZW50ZXI7IGJvcmRlcjogMDsgYm9yZGVyLXRv cDogMXB4IHNvbGlkICANCmdyYXk7ICcgaHJlZj0naHR0cHM6Ly9nb28uZ2wvMmtzZFJ2Jz5wb3dl cmVkIGJ5IEdTTS4gRnJlZSBtYWlsIG1lcmdlIGFuZCAgDQplbWFpbCBtYXJrZXRpbmcgc29mdHdh cmUgZm9yIEdtYWlsLjwvYT4NCg== From owner-freebsd-stable@freebsd.org Thu Nov 2 07:19:41 2017 Return-Path: <owner-freebsd-stable@freebsd.org> Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 103DFE52252; Thu, 2 Nov 2017 07:19:41 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 82E99709F0; Thu, 2 Nov 2017 07:19:39 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id vA27JPvi000321 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 2 Nov 2017 08:19:26 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: lev@FreeBSD.org Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTP id vA27JMQS040763; Thu, 2 Nov 2017 14:19:22 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: Low default setting of UDBHASHSIZE leads to unresponsive system To: lev@FreeBSD.org, freebsd-net@freebsd.org, freebsd-stable@freebsd.org References: <f6cb0e2b-1272-c039-1370-1d0c96310aeb@FreeBSD.org> From: Eugene Grosbein <eugen@grosbein.net> Message-ID: <59FAC6FA.3070804@grosbein.net> Date: Thu, 2 Nov 2017 14:19:22 +0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <f6cb0e2b-1272-c039-1370-1d0c96310aeb@FreeBSD.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: Yes, score=5.5 required=5.0 tests=BAYES_00, DATE_IN_FUTURE_96_Q, LOCAL_FROM,RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * 3.3 DATE_IN_FUTURE_96_Q Date: is 4 days to 4 months after Received: date * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 1.9 RDNS_NONE Delivered to internal network by a host with no rDNS * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-Spam-Flag: YES X-Spam-Level: ***** X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>; List-Post: <mailto:freebsd-stable@freebsd.org> List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 02 Nov 2017 07:19:41 -0000 On 01.11.2017 22:35, Lev Serebryakov wrote: > > Now 11-STABLE (and 12-CURRENT too) have this: > > sys/netinet/udp_usrreq.c:#define UDBHASHSIZE 128 > > Looks like such low value could lead to 100% consumption of CPU by > interrupt threads (igb queues in my case) on heavy incoming UDP traffic > (torrents with uTP in my case). > > My system (E3-1220v3 with I210 NICs) becomes completely unresponsive > (nut complains about lost connection to UPS, ssh to system times out, > etc) when system downloads torrent with many uTP (UDP) peers. Four igb0 > queues consume 100% CPU each in this scenario. > > Total traffic could be very low like 500KiB/s (yes, 500KiB/s, not > MiB/s!), I don't speak about 1Gbit/s or even 100Mbit/s here! > > Rebuilding kernel with UDBHASHSIZE=16384 seems to help. > > Why is this value so low and why I need to patch sources to change it? > Many such settings are changeable via sysctl and/or tunables, but this > one looks hardcoded. You should fill a PR. Attach these performance numbers you got. If possible, attach a patch introducing new loader tunnable, that should be easy. Keep me CC'd.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?94eb2c1886e48e15a9055cf2c337>