From owner-freebsd-fs@freebsd.org Wed Feb 14 16:39:56 2018 Return-Path: Delivered-To: freebsd-fs@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 3FD1BF0CD9D for ; Wed, 14 Feb 2018 16:39:56 +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 A716A80F9B for ; Wed, 14 Feb 2018 16:39:55 +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 E0E5F15510 for ; Wed, 14 Feb 2018 16:39:54 +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 w1EGds6h086484 for ; Wed, 14 Feb 2018 16:39:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w1EGds2I086483 for freebsd-fs@FreeBSD.org; Wed, 14 Feb 2018 16:39:54 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: freebsd-fs@FreeBSD.org Subject: [Bug 209571] ZFS and NVMe performing poorly. TRIM requests stall I/O activity Date: Wed, 14 Feb 2018 16:39:53 +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: 10.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: nevans@talkpoint.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Feb 2018 16:39:56 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209571 Nick Evans changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |nevans@talkpoint.com --- Comment #5 from Nick Evans --- Seeing the same on 11.0-RELEASE-p6 using a Samsung 960 EVO NVME. I've stopp= ed my (extremely slow) copy to the drive and this background traffic continues. tty nvd0 da0 da1 cpu tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id 0 150 32.00 456 14.25 0.00 0 0.00 0.00 0 0.00 0 0 0 0 1= 00 0 493 32.00 455 14.22 0.00 0 0.00 0.00 0 0.00 0 0 0 0 1= 00 0 151 32.00 454 14.18 0.00 0 0.00 0.00 0 0.00 0 0 0 0 1= 00 0 164 32.00 455 14.21 0.00 0 0.00 0.00 0 0.00 0 0 0 0 1= 00 I've seen this on another system with Intel 750 PCIe cards but if I remember right it seemed to handle the background trim better. It's been a while sin= ce I tested it though. Both systems are test boxes so I can test any changes nee= ded and can move them to whatever base system versions are needed. --=20 You are receiving this mail because: You are the assignee for the bug.=