From owner-freebsd-hackers@freebsd.org Tue Apr 23 11:40:45 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BC7E01597385 for ; Tue, 23 Apr 2019 11:40:45 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from forward100o.mail.yandex.net (forward100o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::600]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 14DF86D7D1 for ; Tue, 23 Apr 2019 11:40:43 +0000 (UTC) (envelope-from bu7cher@yandex.ru) Received: from mxback3g.mail.yandex.net (mxback3g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:164]) by forward100o.mail.yandex.net (Yandex) with ESMTP id C4F5A4AC0F33; Tue, 23 Apr 2019 14:40:39 +0300 (MSK) Received: from smtp1o.mail.yandex.net (smtp1o.mail.yandex.net [2a02:6b8:0:1a2d::25]) by mxback3g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id zIpuBhlx96-edZ0b7A2; Tue, 23 Apr 2019 14:40:39 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1556019639; bh=h1G+hZsSNIeCVpB5pu+QuHJsQmdUbjye2YKjpYvuhTo=; h=In-Reply-To:From:To:Subject:Cc:Date:References:Message-ID; b=Y6WxkES8JxEHJHPNAtAcV/BGfLrJd8pnQEmt9P641zhmaou1TjWOIQ4j8qHHUVPmd +Kz2gTXlTGJpIku65VhiXa/0ca0cH77e3NAycCFyqG8SlNeDHmANR627VYtS6Boopq jCW6HVwmWBarVB79GJcD0b364bIDq4alArETkPaM= Received: by smtp1o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id NSqJB9FMt4-ebjubl7o; Tue, 23 Apr 2019 14:40:38 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Subject: Re: openvpn and system overhead To: Jim Thompson , Wojciech Puchar Cc: Mark Millard via freebsd-hackers , Miroslav Lachman <000.fbsd@quip.cz> References: <8648d069-2172-2c09-8e59-d66a8265a120@quip.cz> <94EA4F3F-4D78-4E08-9AF8-441B957A4749@netgate.com> From: "Andrey V. Elsukov" Openpgp: id=E6591E1B41DA1516F0C9BC0001C5EA0410C8A17A Autocrypt: addr=bu7cher@yandex.ru; prefer-encrypt=mutual; keydata= mQENBEwBF1kBCADB9sXFhBEUy8qQ4X63Y8eBatYMHGEFWN9ypS5lI3RE6qQW2EYbxNk7qUC5 21YIIS1mMFVBEfvR7J9uc7yaYgFCEb6Sce1RSO4ULN2mRKGHP3/Sl0ijZEjWHV91hY1YTHEF ZW/0GYinDf56sYpDDehaBF5wkWIo1+QK5nmj3vl0DIDCMNd7QEiWpyLVwECgLX2eOAXByT8B bCqVhJGcG6iFP7/B9Ll6uX5gb8thM9LM+ibwErDBVDGiOgvfxqidab7fdkh893IBCXa82H9N CNwnEtcgzh+BSKK5BgvPohFMgRwjti37TSxwLu63QejRGbZWSz3OK3jMOoF63tCgn7FvABEB AAG0JUFuZHJleSBWLiBFbHN1a292IDxidTdjaGVyQHlhbmRleC5ydT6JATgEEwECACIFAkwB F1kCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEAHF6gQQyKF6qmYIAI6ekfm1VA4T vqankI1ISE6ku4jV7UlpIQlEbE7/8n3Zd6teJ+pGOQhN5qk8QE7utdPdbktAzi+x7LIJVzUw 4TywZLXGrkP7VKYkfg6oyCGyzITghefQeJtr2TN4hYCkzPWpylkue8MtmqfZv/6royqwTbN+ +E09FQNvTgRUYJYTeQ1qOsxNRycwvw3dr2rOfuxShbzaHBB1pBIjGrMg8fC5pd65ACH5zuFV A0CoTNGMDrEZSfBkTW604UUHFFXeCoC3dwDZRKOWJ3GmMXns65Ai5YkA63BSHEE1Qle3VBhd cG1w0CB5FBV3pB27UVnf0jEbysrDqW4qN7XMRFSWNAy5AQ0ETAEXWQEIAJ2p6l9LBoqdH/0J PEFDY2t2gTvAuzz+8zs3R03dFuHcNbOwjvWCG0aOmVpAzkRa8egn5JB4sZaFUtKPYJEQ1Iu+ LUBwgvtXf4vWpzC67zs2dDuiW4LamH5p6xkTD61aHR7mCB3bg2TUjrDWn2Jt44cvoYxj3dz4 S49U1rc9ZPgD5axCNv45j72tggWlZvpefThP7xT1OlNTUqye2gAwQravXpZkl5JG4eOqJVIU X316iE3qso0iXRUtO7OseBf0PiVmk+wCahdreHOeOxK5jMhYkPKVn7z1sZiB7W2H2TojbmcK HZC22sz7Z/H36Lhg1+/RCnGzdEcjGc8oFHXHCxUAEQEAAYkBHwQYAQIACQUCTAEXWQIbDAAK CRABxeoEEMihegkYCAC3ivGYNe2taNm/4Nx5GPdzuaAJGKWksV+w9mo7dQvU+NmI2az5w8vw 98OmX7G0OV9snxMW+6cyNqBrVFTu33VVNzz9pnqNCHxGvj5dL5ltP160JV2zw2bUwJBYsgYQ WfyJJIM7l3gv5ZS3DGqaGIm9gOK1ANxfrR5PgPzvI9VxDhlr2juEVMZYAqPLEJe+SSxbwLoz BcFCNdDAyXcaAzXsx/E02YWm1hIWNRxanAe7Vlg7OL+gvLpdtrYCMg28PNqKNyrQ87LQ49O9 50IIZDOtNFeR0FGucjcLPdS9PiEqCoH7/waJxWp6ydJ+g4OYRBYNM0EmMgy1N85JJrV1mi5i Message-ID: <86f267de-0edc-ec34-6c46-d087e86a34c1@yandex.ru> Date: Tue, 23 Apr 2019 14:39:10 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <94EA4F3F-4D78-4E08-9AF8-441B957A4749@netgate.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="a1OaN7DaIXPHprHcgTiFdsnJuTVuFRbcj" X-Rspamd-Queue-Id: 14DF86D7D1 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yandex.ru header.s=mail header.b=Y6WxkES8; dmarc=pass (policy=none) header.from=yandex.ru; spf=pass (mx1.freebsd.org: domain of bu7cher@yandex.ru designates 2a02:6b8:0:1a2d::600 as permitted sender) smtp.mailfrom=bu7cher@yandex.ru X-Spamd-Result: default: False [-5.92 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a02:6b8:0:1a2d::/64]; FREEMAIL_FROM(0.00)[yandex.ru]; HAS_ATTACHMENT(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yandex.ru:+]; MX_GOOD(-0.01)[mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru,mx.yandex.ru]; DMARC_POLICY_ALLOW(-0.50)[yandex.ru,none]; NEURAL_HAM_SHORT(-0.71)[-0.709,0]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:+]; FREEMAIL_ENVFROM(0.00)[yandex.ru]; RCVD_IN_DNSWL_LOW(-0.10)[0.0.6.0.0.0.0.0.0.0.0.0.0.0.0.0.d.2.a.1.0.0.0.0.8.b.6.0.2.0.a.2.list.dnswl.org : 127.0.5.1]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yandex.ru.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[yandex.ru:s=mail]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,multipart/mixed,text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Apr 2019 11:40:46 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --a1OaN7DaIXPHprHcgTiFdsnJuTVuFRbcj Content-Type: multipart/mixed; boundary="2c8cyYmu0Lx0KSbLwR5MxPi9QqZI8qNbA"; protected-headers="v1" From: "Andrey V. Elsukov" To: Jim Thompson , Wojciech Puchar Cc: Mark Millard via freebsd-hackers , Miroslav Lachman <000.fbsd@quip.cz> Message-ID: <86f267de-0edc-ec34-6c46-d087e86a34c1@yandex.ru> Subject: Re: openvpn and system overhead References: <8648d069-2172-2c09-8e59-d66a8265a120@quip.cz> <94EA4F3F-4D78-4E08-9AF8-441B957A4749@netgate.com> In-Reply-To: <94EA4F3F-4D78-4E08-9AF8-441B957A4749@netgate.com> --2c8cyYmu0Lx0KSbLwR5MxPi9QqZI8qNbA Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 17.04.2019 21:09, Jim Thompson wrote: > and twice the number of context switches. Making things worse, the > =E2=80=9CIP stack=E2=80=9D inside OpenVPN is single-threaded, and proce= sses one > packet at a time, so all the overheads accrue to each packet, rather > than being amortized across several packets. Hi, Have you thought to hack openvpn to use SO_REUSEPORT_LB and then run several processes to service several tunnels? --=20 WBR, Andrey V. Elsukov --2c8cyYmu0Lx0KSbLwR5MxPi9QqZI8qNbA-- --a1OaN7DaIXPHprHcgTiFdsnJuTVuFRbcj Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAly++V4ACgkQAcXqBBDI oXrHJAf/fiBc+s7jLm8wsPVAee+oD5YraKVscrWXq5EL+Niwd09a2GmFj8805Bc4 RBHlE6IOpLu0FhW8iLf0y1kqN2/QB1MNir2moC1Umz3XQnZe/TXfeIPJNoVSxIlM iMjxaoKnoxDJWuARLMI1yZEExkm9mFKegn0yB2dFFBuWOYyZbIJrUbRJfo1LOgoX t+LNj7XBGIrcmW2p8qqGWELnYeWEz9dMtUIxd3is2qdbeXOxtnHhN09uDgRf7bXf zEXhdR6KU+Ei54S/1+TM1wgehb8VLdaEOd1WIuihw/0drwO9f6qGd+7zvx38vvTU SXFRN3BNEixWAEin3IDVlhNXIazNPg== =Fb8C -----END PGP SIGNATURE----- --a1OaN7DaIXPHprHcgTiFdsnJuTVuFRbcj--