From owner-freebsd-fs@freebsd.org Tue Nov 3 04:47:51 2015 Return-Path: Delivered-To: freebsd-fs@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 50BBDA24AE3 for ; Tue, 3 Nov 2015 04:47:51 +0000 (UTC) (envelope-from mckusick@mckusick.com) 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 3CF92157C for ; Tue, 3 Nov 2015 04:47:51 +0000 (UTC) (envelope-from mckusick@mckusick.com) Received: by mailman.ysv.freebsd.org (Postfix) id 3B650A24AE1; Tue, 3 Nov 2015 04:47:51 +0000 (UTC) Delivered-To: fs@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 3B059A24AE0 for ; Tue, 3 Nov 2015 04:47:51 +0000 (UTC) (envelope-from mckusick@mckusick.com) Received: from chez.mckusick.com (chez.mckusick.com [IPv6:2001:5a8:4:7e72:d250:99ff:fe57:4030]) (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 05CB2157B for ; Tue, 3 Nov 2015 04:47:50 +0000 (UTC) (envelope-from mckusick@mckusick.com) Received: from chez.mckusick.com (localhost [IPv6:::1]) by chez.mckusick.com (8.15.2/8.14.9) with ESMTP id tA34lo5O090332; Mon, 2 Nov 2015 20:47:50 -0800 (PST) (envelope-from mckusick@chez.mckusick.com) Message-Id: <201511030447.tA34lo5O090332@chez.mckusick.com> From: Kirk McKusick To: Bruce Evans Subject: Re: an easy (?) question on namecache sizing cc: fs@freebsd.org In-reply-to: <20151102224910.E2203@besplex.bde.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <90330.1446526070.1@chez.mckusick.com> Date: Mon, 02 Nov 2015 20:47:50 -0800 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Nov 2015 04:47:51 -0000 You seem to be proposing several approaches. One is to make wantfreevnodes bigger (half or three-quarters of the maximum). Another seems to be reverting to the previous (freevnodes >= wantfreevnodes && numvnodes >= minvnodes). So what is your proposed change? Kirk McKusick