From nobody Fri Oct 22 15:31:58 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 60B45180B80B for ; Fri, 22 Oct 2021 15:31:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HbSy62DVxz3n4Q for ; Fri, 22 Oct 2021 15:31:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2218F11355 for ; Fri, 22 Oct 2021 15:31:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 19MFVwfe045151 for ; Fri, 22 Oct 2021 15:31:58 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 19MFVwFO045149 for bugs@FreeBSD.org; Fri, 22 Oct 2021 15:31:58 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: bugs@FreeBSD.org Subject: [Bug 258204] Extremely poor performance copying directory with lot of small files on nvme Date: Fri, 22 Oct 2021 15:31:58 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ali.abdallah@suse.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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 List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258204 --- Comment #3 from Ali Abdallah --- Some nvme perf test measurements=20 # nvmecontrol perftest -n 1 -o read -s 4096 -t 30 nvme0ns1 Threads: 1 Size: 4096 READ Time: 30 IO/s: 34515 MB/s: 134 # nvmecontrol perftest -n 2 -o read -s 4096 -t 30 nvme0ns1 Threads: 2 Size: 4096 READ Time: 30 IO/s: 69473 MB/s: 271 diskinfo -tv /dev/nvd0p4.eli=20 /dev/nda0p4.eli 4096 # sectorsize 478888849408 # mediasize in bytes (446G) 116916223 # mediasize in sectors 0 # stripesize 0 # stripeoffset 7277 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. UMIS LENSE40512GMSP34MESTB3A # Disk descr. SS0L25153X3RC03Y11N2 # Disk ident. nvme0 # Attachment Yes # TRIM/UNMAP support 0 # Rotation rate in RPM Seek times: Full stroke: 250 iter in 0.059140 sec =3D 0.237 msec Half stroke: 250 iter in 0.038418 sec =3D 0.154 msec Quarter stroke: 500 iter in 0.075839 sec =3D 0.152 msec Short forward: 400 iter in 0.059095 sec =3D 0.148 msec Short backward: 400 iter in 0.076297 sec =3D 0.191 msec Seq outer: 2048 iter in 0.220371 sec =3D 0.108 msec Seq inner: 2048 iter in 0.312280 sec =3D 0.152 msec Transfer rates: outside: 102400 kbytes in 1.339011 sec =3D 76474 kbytes/= sec middle: 102400 kbytes in 1.125152 sec =3D 91010 kbytes/= sec inside: 102400 kbytes in 1.394730 sec =3D 73419 kbytes/= sec The values look really bad for a NVME device. --=20 You are receiving this mail because: You are the assignee for the bug.=