From owner-freebsd-net@freebsd.org Sun Mar 12 01:35:43 2017 Return-Path: Delivered-To: freebsd-net@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 2082FD06391 for ; Sun, 12 Mar 2017 01:35:43 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from mail-ua0-x22e.google.com (mail-ua0-x22e.google.com [IPv6:2607:f8b0:400c:c08::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CF08E1BAE for ; Sun, 12 Mar 2017 01:35:42 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by mail-ua0-x22e.google.com with SMTP id u30so139482937uau.0 for ; Sat, 11 Mar 2017 17:35:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=0aeNn4Jq1qUW8aZyDoo9qZ8YE9sSDNuPpwjwiUGFI+8=; b=VeiPZ3vW8ju6y2Bi9wwm7WnHj19hLzImAf7XVG8uJ9LfE3vxg37ntljsryUrz+ZbQf 6Du9cGIj0Ac1H9L1zPJEwcqfms3XEDgzESfRGxTJFDEEq51HpIOL1ah89k2HYd2ND1wr fbqaaf1U9AKxS5/TFrRHxJVA36ihr/4MYgTSdSW8nKSTb35hjXtOReVosErY7Hjmvqe9 6wRr71K5aFJMVAi46cz0TiBnayJkQGAaMaJSfGbEhRE41rEGunpsIAFcgh4CYoPoGDxJ dwhwkw6WeGXd+hFQ9feJHVhvhyy9F8hahBUp0IMcuDU+8BzGf8rK2PmPvp2Fs1ciwbiB sfmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=0aeNn4Jq1qUW8aZyDoo9qZ8YE9sSDNuPpwjwiUGFI+8=; b=kjQwZ/r7lPM4eTC98nOwQx/htA+VhWy30VmA14n0gZt1KF52nY31+OOb/agONBmZ5+ dM9j8jb0ItN5oONcwurLS4zdowVx4EXqy+TqTU79VZ2uuQo1jvPI6V/Y8DT+0JyNhN0+ 3tURyiPubyaATyXPltHCEHGJY+UujMF5dgSSdrXIoxcE0AQruwCgVDpGsUqepCbvnowm Ls7Egwp92khaONZ12hqZpZmV7UnE2KxxAyRTAelhBC6wefgYgq2rpqaKq3jHu3fwTEjq I7EFSxar4BzdeAi8J9l0REskD302UANIdnpwx2Z3d4pXkvVcO2x+J83gCiHPLjtRSumZ 3xyg== X-Gm-Message-State: AMke39nqKjXJY9Y1bLnLrnK1jhcLYE0qtamg7sUEPnQawlQquQbNn6h96umbTlx7u4nvKlAEz27KI1DE8LBa2w== X-Received: by 10.176.82.206 with SMTP id w14mr13677220uaw.133.1489282542081; Sat, 11 Mar 2017 17:35:42 -0800 (PST) MIME-Version: 1.0 Received: by 10.176.66.193 with HTTP; Sat, 11 Mar 2017 17:35:41 -0800 (PST) In-Reply-To: References: From: Sepherosa Ziehau Date: Sun, 12 Mar 2017 09:35:41 +0800 Message-ID: Subject: Re: about that DFBSD performance test To: Kevin Bowling Cc: "Eugene M. Zheganin" , freebsd-net Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Mar 2017 01:35:43 -0000 On Wed, Mar 8, 2017 at 8:25 PM, Kevin Bowling wrote: > Right off the bat, FreeBSD doesn't really understand NUMA in any sufficient > capacity. Unfortunately at companies like the one I work at, we take that > to mean "OK buy a high bin CPU and only populate one socket" which serves > us well and may ultimately be the best value but does nothing to address > the reality that multi-socket NUMA systems are common place and FreeBSD > should run in the same league on them as other operating systems to be > taken seriously. I'd be interested in seeing how the contenders look by > removing one of the CPUs as it might at least put a spotlight on that issue. > > With respect to SO_REUSEPORT, we are investigating implementing this round > robin behavior right now. We think librss is a better way to go for Google's SO_REUSEPORT is not round robin. dfly distributes SYN using RSS hash; but definitely not round-robin. Thanks, sephe