From owner-freebsd-hackers@freebsd.org Wed Nov 27 14:38:43 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 490D71ADA87 for ; Wed, 27 Nov 2019 14:38:43 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 47NNgQ3nj0z48DQ for ; Wed, 27 Nov 2019 14:38:42 +0000 (UTC) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id xAREcemR008163; Wed, 27 Nov 2019 06:38:40 -0800 (PST) (envelope-from freebsd-rwg@gndrsh.dnsmgr.net) Received: (from freebsd-rwg@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id xAREce2g008162; Wed, 27 Nov 2019 06:38:40 -0800 (PST) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <201911271438.xAREce2g008162@gndrsh.dnsmgr.net> Subject: Re: bhyve - lots of cores In-Reply-To: To: Wojciech Puchar Date: Wed, 27 Nov 2019 06:38:40 -0800 (PST) CC: freebsd-hackers@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: 47NNgQ3nj0z48DQ X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd-rwg@gndrsh.dnsmgr.net has no SPF policy when checking 69.59.192.140) smtp.mailfrom=freebsd-rwg@gndrsh.dnsmgr.net X-Spamd-Result: default: False [1.24 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.01)[-0.012,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[dnsmgr.net]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.31)[0.313,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13868, ipnet:69.59.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(0.04)[ip: (0.14), ipnet: 69.59.192.0/19(0.07), asn: 13868(0.03), country: US(-0.05)]; RCVD_COUNT_TWO(0.00)[2] 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: Wed, 27 Nov 2019 14:38:43 -0000 > does anyone have FreeBSD running host with LOTS of cores (>=32) and allow > me to run short test of bhyve? > > I would like to know > > a) does bhyve have scaling limits. > b) can does windows 7 x64 (which is for what i use bhyve :) run > efficiently on this. > > At least up to 12 cores i see no issues both with bhyve and windows 7. Since you are running on 11.3 I would need to verify some patches that are needed to get above 24 cores are infact in 11.3. The VM_MAXCPU cleanup I did was verified with a 32 core box, and has run a over commit vCPU count of 254, though that is not usable in any shape. -- Rod Grimes rgrimes@freebsd.org