From owner-freebsd-stable@freebsd.org Tue Feb 16 11:06:38 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 00DFF532FBE for ; Tue, 16 Feb 2021 11:06:38 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DfypP0c1xz3hrR for ; Tue, 16 Feb 2021 11:06:36 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 11GB6QXn082587 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 16 Feb 2021 13:06:30 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 11GB6QXn082587 Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 11GB6Q6v082586; Tue, 16 Feb 2021 13:06:26 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 16 Feb 2021 13:06:26 +0200 From: Konstantin Belousov To: Christos Chatzaras Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 13.0-BETA2 and slow IO Message-ID: References: <54ACB0AF-C5FE-41D1-B9DE-75920C19C06A@cretaforce.gr> <684A220A-6A49-471D-8D6E-169164F629E9@cretaforce.gr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <684A220A-6A49-471D-8D6E-169164F629E9@cretaforce.gr> X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on tom.home X-Rspamd-Queue-Id: 4DfypP0c1xz3hrR X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=gmail.com (policy=none); spf=softfail (mx1.freebsd.org: 2001:470:d5e7:1::1 is neither permitted nor denied by domain of kostikbel@gmail.com) smtp.mailfrom=kostikbel@gmail.com X-Spamd-Result: default: False [-1.75 / 15.00]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2001:470:d5e7:1::1:from]; DMARC_POLICY_SOFTFAIL(0.10)[gmail.com : No valid SPF, No valid DKIM,none]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_SPF_SOFTFAIL(0.00)[~all:c]; NEURAL_SPAM_SHORT(0.25)[0.248]; SPAMHAUS_ZRD(0.00)[2001:470:d5e7:1::1:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; MIME_TRACE(0.00)[0:+]; MAILMAN_DEST(0.00)[freebsd-stable]; RCVD_COUNT_TWO(0.00)[2] 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: Tue, 16 Feb 2021 11:06:38 -0000 On Tue, Feb 16, 2021 at 12:54:55PM +0200, Christos Chatzaras wrote: > > > On 16 Feb 2021, at 12:20, Christos Chatzaras wrote: > > > > I build a test system with 13.0-BETA2 and it's very slow with at least IO. > > > > Doing "portsnap auto" takes much more time than 12.2. > > > > Also when I do "rm -fr /usr/ports" with 12.2 takes 5 seconds and the same command with 13.0-BETA2 takes 100 seconds. > > > > The disks are similar 4TB HDD drives on both systems. > > > > Is this related to debug enabled in 13.0-BETA2? > > I install 12.2 in the same system and "rm -fr /usr/ports" was fast. So it's not related to hardware. > > If I upgrade it to 13.0-BETA2 the same command is slow again. Are you using UFS+SU or SU+J? If yes, this is known and fix is planned for BETA3 or BETA4.