From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alasdair G Kergon Subject: Re: mirrored device with thousand of mappingtableentries Date: Mon, 28 Feb 2011 13:29:20 +0000 Message-ID: <20110228132920.GC3626@agk-dp.fab.redhat.com> References: <20110228114801.GZ3626@agk-dp.fab.redhat.com> <20110228121149.GA3626@agk-dp.fab.redhat.com> <20110228131028.GB3626@agk-dp.fab.redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Eli Malul Cc: device-mapper development List-Id: dm-devel.ids On Mon, Feb 28, 2011 at 03:13:42PM +0200, Eli Malul wrote: > But, do you know why having 10,000 extents is causing this overwhelming > memory usage? Nobody considered having a huge number of tiny mirrors reasonable or necessary so no attempt has been made to optimise that situation. Alasdair