From owner-freebsd-bugs@freebsd.org Sat Aug 11 03:08:20 2018 Return-Path: Delivered-To: freebsd-bugs@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 E7620105B8F7 for ; Sat, 11 Aug 2018 03:08:19 +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 84C8D88ABE for ; Sat, 11 Aug 2018 03:08:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 48D24105B8F6; Sat, 11 Aug 2018 03:08:19 +0000 (UTC) Delivered-To: bugs@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 37803105B8F5 for ; Sat, 11 Aug 2018 03:08:19 +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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B550388AB9 for ; Sat, 11 Aug 2018 03:08:18 +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 15288CC7A for ; Sat, 11 Aug 2018 03:08:18 +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 w7B38Hjl082616 for ; Sat, 11 Aug 2018 03:08:17 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w7B38HDk082606 for bugs@FreeBSD.org; Sat, 11 Aug 2018 03:08:17 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 230491] stat(1): Improve performance with getpwuid() and getgrgid() caching Date: Sat, 11 Aug 2018 03:08:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.2-STABLE X-Bugzilla-Keywords: needs-qa, patch, performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: tom@hur.st X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: mfc-stable10? mfc-stable11? 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-bugs@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Aug 2018 03:08:20 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230491 --- Comment #14 from Thomas Hurst --- 11.2-STABLE, consistent across several runs: Conrad's patch: 8.792 real, 4.506 user, 4.788 sys; page: 0 hard/13520 soft, swap: 0, I/O: 8818/0 My patch: 8.577 real, 4.547 user, 4.525 sys; page: 0 hard/13264 soft, swap= : 0, I/O: 8818/0 Looks good, particularly given it makes the code more straight-forward. Reducing thread count improves performance with nscd, but at "threads 1" it= 's still 52s vs 22s uncached. --=20 You are receiving this mail because: You are the assignee for the bug.=