From owner-freebsd-fs@freebsd.org Fri Aug 24 04:59:12 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 2CA4910A16CE for ; Fri, 24 Aug 2018 04:59:12 +0000 (UTC) (envelope-from mckusick@mckusick.com) Received: from chez.mckusick.com (chez.mckusick.com [70.36.157.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 84E4276F6B for ; Fri, 24 Aug 2018 04:59:11 +0000 (UTC) (envelope-from mckusick@mckusick.com) Received: from chez.mckusick.com (localhost [IPv6:::1]) by chez.mckusick.com (8.15.2/8.15.2) with ESMTP id w7O54SPJ067702; Thu, 23 Aug 2018 22:04:28 -0700 (PDT) (envelope-from mckusick@mckusick.com) Message-Id: <201808240504.w7O54SPJ067702@chez.mckusick.com> From: Kirk McKusick To: Mark Millard Subject: Re: CFT: TRIM Consolodation on UFS/FFS filesystems cc: bob prohaska , FreeBSD Filesystems X-URL: http://WWW.McKusick.COM/ Reply-To: Kirk McKusick In-reply-to: <1F534D6D-3CA3-4E28-AF24-7AABAB0EDBD3@yahoo.com> Comments: In-reply-to Mark Millard message dated "Thu, 23 Aug 2018 17:56:56 -0700." MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <67700.1535087068.1@chez.mckusick.com> Date: Thu, 23 Aug 2018 22:04:28 -0700 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,MISSING_MID, UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on chez.mckusick.com X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2018 04:59:12 -0000 So are you in a position to try out the TRIM consolidation implementation? In particular to see if it helps? Kirk McKusick