From owner-freebsd-stable@freebsd.org Fri Oct 21 14:04:49 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BB2A7C1B2FA for ; Fri, 21 Oct 2016 14:04:49 +0000 (UTC) (envelope-from petefrench@ingresso.co.uk) Received: from constantine.ingresso.co.uk (ingresso-1-pt.tunnel.tserv1.lon2.ipv6.he.net [IPv6:2001:470:1f1c:411::2]) (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 8C7AB637 for ; Fri, 21 Oct 2016 14:04:49 +0000 (UTC) (envelope-from petefrench@ingresso.co.uk) Received: from dilbert.london-internal.ingresso.co.uk ([10.64.50.6] helo=dilbert.ingresso.co.uk) by constantine.ingresso.co.uk with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87 (FreeBSD)) (envelope-from ) id 1bxaRA-000BCX-BM; Fri, 21 Oct 2016 14:04:44 +0000 Received: from petefrench by dilbert.ingresso.co.uk with local (Exim 4.87 (FreeBSD)) (envelope-from ) id 1bxaRA-0003uq-9q; Fri, 21 Oct 2016 15:04:44 +0100 To: bennett@sdf.org, freebsd-stable@freebsd.org Subject: Re: zfs, a directory that used to hold lot of files and listing pause Cc: emz@norma.perm.ru In-Reply-To: <201610211340.u9LDer6D018453@sdf.org> Message-Id: From: Pete French Date: Fri, 21 Oct 2016 15:04:44 +0100 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Oct 2016 14:04:49 -0000 > Oh, my goodness, how far afield nonsense has gotten! Have all the > good folks posting in this thread forgotten how directory blocks are > allocated in UNIX? Not forgotten, just under the impression that ZFS shrinks directories unlike good old UFS. Apparenrly not, and yes, if thats true then the behaviour is not surprising in the slightest. Live and learn... ;-) -pete. [old enough to have used 32V on a Vax, a loooong time ago...]