From owner-freebsd-fs@freebsd.org Fri Jun 5 21:26:32 2020 Return-Path: Delivered-To: freebsd-fs@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 5CF343382AA for ; Fri, 5 Jun 2020 21:26:32 +0000 (UTC) (envelope-from mike@sentex.net) Received: from pyroxene2a.sentex.ca (pyroxene19.sentex.ca [IPv6:2607:f3e0:0:3::19]) (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 (2048 bits) client-digest SHA256) (Client CN "pyroxene.sentex.ca", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49dwgq2DCbz3dr2 for ; Fri, 5 Jun 2020 21:26:31 +0000 (UTC) (envelope-from mike@sentex.net) Received: from [IPv6:2607:f3e0:0:4:c119:7ad8:e8da:5f8f] ([IPv6:2607:f3e0:0:4:c119:7ad8:e8da:5f8f]) by pyroxene2a.sentex.ca (8.15.2/8.15.2) with ESMTPS id 055LQUC3014889 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 5 Jun 2020 17:26:30 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: ZFS on FreeBSD 11.3 slower than 10.4 To: Miroslav Lachman <000.fbsd@quip.cz>, "freebsd-fs@freebsd.org" References: <1ff455a5-d111-86fa-ceb1-1021b6d9a5b6@quip.cz> From: mike tancsa Autocrypt: addr=mike@sentex.net; keydata= mQENBFywzOMBCACoNFpwi5MeyEREiCeHtbm6pZJI/HnO+wXdCAWtZkS49weOoVyUj5BEXRZP xflV2ib2hflX4nXqhenaNiia4iaZ9ft3I1ebd7GEbGnsWCvAnob5MvDZyStDAuRxPJK1ya/s +6rOvr+eQiXYNVvfBhrCfrtR/esSkitBGxhUkBjOti8QwzD71JVF5YaOjBAs7jZUKyLGj0kW yDg4jUndudWU7G2yc9GwpHJ9aRSUN8e/mWdIogK0v+QBHfv/dsI6zVB7YuxCC9Fx8WPwfhDH VZC4kdYCQWKXrm7yb4TiVdBh5kgvlO9q3js1yYdfR1x8mjK2bH2RSv4bV3zkNmsDCIxjABEB AAG0HW1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5uZXQ+iQFUBBMBCAA+FiEEmuvCXT0aY6hs 4SbWeVOEFl5WrMgFAlywzOYCGwMFCQHhM4AFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ eVOEFl5WrMhnPAf7Bf+ola0V9t4i8rwCMGvzkssGaxY/5zNSZO9BgSgfN0WzgmBEOy/3R4km Yn5KH94NltJYAAE5hqkFmAwK6psOqAR9cxHrRfU+gV2KO8pCDc6K/htkQcd/mclJYpCHp6Eq EVJOiAxcNaYuHZkeMdXDuvvI5Rk82VHk84BGgxIqIrhLlkguoPbXOOa+8c/Mpb1sRAGZEOuX EzKNC49+GS9gKW6ISbanyPsGEcFyP7GKMzcHBPf3cPrewZQZ6gBoNscasL6IJeAQDqzQAxbU GjO0qBSMRgnLXK7+DJlxrYdHGXqNbV6AYsmHJ6c2WWWiuRviFBqXinlgJ2FnYebZPAfWiQ== Message-ID: <4c099bfc-1770-36be-2a17-d3be5cd00045@sentex.net> Date: Fri, 5 Jun 2020 17:26:30 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <1ff455a5-d111-86fa-ceb1-1021b6d9a5b6@quip.cz> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 49dwgq2DCbz3dr2 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of mike@sentex.net designates 2607:f3e0:0:3::19 as permitted sender) smtp.mailfrom=mike@sentex.net X-Spamd-Result: default: False [-1.15 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f3e0::/32]; NEURAL_HAM_LONG(-1.01)[-1.009]; MIME_GOOD(-0.10)[text/plain]; HFILTER_HELO_IP_A(1.00)[pyroxene2a.sentex.ca]; HFILTER_HELO_NORES_A_OR_MX(0.30)[pyroxene2a.sentex.ca]; DMARC_NA(0.00)[sentex.net]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.13)[-0.134]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.01)[-1.011]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:11647, ipnet:2607:f3e0::/32, country:CA]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jun 2020 21:26:32 -0000 On 5/23/2020 3:44 PM, Miroslav Lachman wrote: > I upgraded my old desktop computer few month ago from old 10.4 based > PC-BSD to stock FreeBSD 11.3. It uses single 2TB HDD 7200rpm. > My problem is that upgraded version is really slow and some desktop > applications are very lagging (playing multimedia is interrupted for a > fraction of seconds) when there is heavy filesystem activity. > > Is it possible some of the Intel CPU mitigations are causing some of the slowdown ? They dont seem to be in 10x ? Maybe try disabling ? https://wiki.freebsd.org/SpeculativeExecutionVulnerabilities     ---Mike