From owner-freebsd-virtualization@freebsd.org Mon Apr 22 15:56:13 2019 Return-Path: Delivered-To: freebsd-virtualization@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 0FAA2159DDC3 for ; Mon, 22 Apr 2019 15:56:13 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 9A45B6AA09 for ; Mon, 22 Apr 2019 15:56:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 57475159DDC2; Mon, 22 Apr 2019 15:56:12 +0000 (UTC) Delivered-To: virtualization@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 44E64159DDC1 for ; Mon, 22 Apr 2019 15:56:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CD38A6AA06 for ; Mon, 22 Apr 2019 15:56:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 1111D1113 for ; Mon, 22 Apr 2019 15:56:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x3MFuAZX022696 for ; Mon, 22 Apr 2019 15:56:10 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x3MFuACp022693 for virtualization@FreeBSD.org; Mon, 22 Apr 2019 15:56:10 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 237429] bhyve: Performance regression after 12 upgrade Date: Mon, 22 Apr 2019 15:56:10 +0000 X-Bugzilla-Reason: AssignedTo CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: misc X-Bugzilla-Version: 12.0-RELEASE X-Bugzilla-Keywords: needs-qa, performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rgrimes@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Apr 2019 15:56:13 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237429 --- Comment #8 from Rodney W. Grimes --- Something that jumps out is: warning: total configured swap (58982400 pages) exceeds maximum recommended amount (16155552 pages). You have ~60G of swap space configured, the system only has 16G of memory, do you actually expect to over commit near 4x on memory? To go with this the 3 vm's you show are 4G in memory size, so they would need 12 of the 16G for guests, leaving your host running ZFS with only 4G of memory. Have you tuned the arc cache to be < than say about 2G as with just these 3 VM's your gong to start having memory pressure. I see 16 tap devices configured manually, this is normally handled by vm-bhyve, but leads me to the question how many VM's are you trying to run at once and what is the total memory footprint? --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=