From owner-freebsd-stable@freebsd.org Sat Apr 24 13:13:23 2021 Return-Path: Delivered-To: freebsd-stable@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 506225FF544 for ; Sat, 24 Apr 2021 13:13:23 +0000 (UTC) (envelope-from bane.ivosev@pmf.uns.ac.rs) Received: from mail.pmf.uns.ac.rs (mail.pmf.uns.ac.rs [147.91.177.13]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mail.pmf.uns.ac.rs", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FSBRk2B3nz4vLb for ; Sat, 24 Apr 2021 13:13:21 +0000 (UTC) (envelope-from bane.ivosev@pmf.uns.ac.rs) Received: from banus.che.lan (openvpn.pmf.uns.ac.rs [147.91.177.2]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bane.ivosev@pmf.uns.ac.rs) by mail.pmf.uns.ac.rs (Postfix) with ESMTPSA id 4FSBRg0SxHzLkWY for ; Sat, 24 Apr 2021 15:13:18 +0200 (CEST) To: freebsd-stable@freebsd.org Reply-To: bane.ivosev@pmf.uns.ac.rs From: Bane Ivosev Organization: Faculty of Sciences University of Novi Sad Subject: Re: FreeBSD 13.0 terrible performance in KVM Message-ID: <5f9225cc-240f-c665-6d1c-d2e50647f7ad@pmf.uns.ac.rs> Date: Sat, 24 Apr 2021 15:13:18 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=pmf.uns.ac.rs; s=mailpmf; t=1619269999; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=CcktITyGmX1/Xmq+4AHr00qQ+p1u/KIqlUfWNnLhxjI=; b=Rjr6oRXNmvjlk/wQoAqEzqRhrCw47W6xT9bxUhBSrVhe6F8DFbMtgsNwSVJtBWYUOMqyAm Q3eOsMG4l5yqq0hAJrFxTDO/FpKTlsuCsRMn+csA5WT5AVUVYz6xkdcY1cI32lG2FpzJWM 26Ooa6efdqYkoArwD6Ci4lzwbuO/5ULWHw2X+nI0mTGV84ypjJPe8QiKHBQEF9mMbWGibJ 8+kiPG5bFXfJvK6bzMN2Jjit26O1uOoocDol84AZc7ljoAJ2zf0GYUJLQezLSFZr2bSpZ+ 1g4ASnHHromqA3PJegxKXQRpKcNasqtNIDKPbXIzvmBdp9kXp7nTKdXf92JZ1g== ARC-Seal: i=1; s=mailpmf; d=pmf.uns.ac.rs; t=1619269999; a=rsa-sha256; cv=none; b=WGLNbafE/cSI18Udd+8yDMe4EtWHX8ORZjO5J5wvBTXckX9bucPXkm/f93ipdEL/o69iK0 ojA53rFzDdd0eabJvpHVJopQ6wW+rRj1NMFVPJ0csAaf0/xpW3Y79Hfd4YaA0V+rPENLKC 0pillTHGZ/8dfQsjL8PL1gW3k75nuMOdbUp1br8/sJ1/k5u94xxVRaPfnZgQ9aT6GBZD8p bryYVnz21YIDgE/NJG09ElGsnbtA8TYeofHDTgKkIoH8E6Y8W3UUC1VJPV+bAxywQq6gae xMWtxwjJWiyiUf2wjIifVsZNiYY+8Z/CHQu+UXWE6qXxDEnWVzGClQpO+GZxww== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=bane.ivosev@pmf.uns.ac.rs smtp.mailfrom=bane.ivosev@pmf.uns.ac.rs X-Rspamd-Queue-Id: 4FSBRk2B3nz4vLb X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.10 / 15.00]; HAS_REPLYTO(0.00)[bane.ivosev@pmf.uns.ac.rs]; RCVD_VIA_SMTP_AUTH(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[147.91.177.13:from]; R_SPF_ALLOW(-0.20)[+mx]; REPLYTO_ADDR_EQ_FROM(0.00)[]; TO_DN_NONE(0.00)[]; HAS_ORG_HEADER(0.00)[]; DKIM_TRACE(0.00)[pmf.uns.ac.rs:+]; DMARC_POLICY_ALLOW(-0.50)[pmf.uns.ac.rs,quarantine]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[147.91.177.13:from]; ASN(0.00)[asn:13092, ipnet:147.91.128.0/17, country:RS]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[147.91.177.13:from]; FAKE_REPLY(1.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[pmf.uns.ac.rs:s=mailpmf]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[uns.ac.rs:dkim]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; ARC_ALLOW(-1.00)[pmf.uns.ac.rs:s=mailpmf:i=1]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[147.91.177.13:from:127.0.2.255]; NEURAL_SPAM_SHORT(1.00)[1.000]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-stable] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Apr 2021 13:13:23 -0000 We have over 50 FreeBSD VM on KVM for years, several Proxmox (5x,6x) and Centos (6.x,7.x) servers, and never experienced performance problem like this. Your example on fresh new 13 VM: # time -p find / -name cacert.pem real 0.28 user 0.00 sys 0.13 12.2 our syslog server: # time -p find / -name cacert.pem real 4.12 user 0.21 sys 3.77 Our hardware are Supermicro, IBM and Fujitsu servers with Xeon CPU-s, some with HW raid, others with ZFS as datastore, previous we had several IBM x3650 ... Everything was ok. No big difference between Linux and FreeBSD guests. We use Linux as guests only if we have to.