From mboxrd@z Thu Jan 1 00:00:00 1970 From: "KOSAKI Motohiro" Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well Date: Wed, 6 Aug 2008 21:36:27 +0900 Message-ID: <2f11576a0808060536o53cabb93m6387d35e3e5791be@mail.gmail.com> References: <2f11576a0808040947r69076eecv9ff92ecf583f7af2@mail.gmail.com> <489738CF.7090401@linux-foundation.org> <20080805210125.A897.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48986AC6.5030406@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Matthew Wilcox" , "Pekka Enberg" , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Mel Gorman" , andi@firstfloor.org, "Rik van Riel" To: "Christoph Lameter" Return-path: Received: from py-out-1112.google.com ([64.233.166.176]:54591 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754226AbYHFMga (ORCPT ); Wed, 6 Aug 2008 08:36:30 -0400 Received: by py-out-1112.google.com with SMTP id p76so1588614pyb.10 for ; Wed, 06 Aug 2008 05:36:29 -0700 (PDT) In-Reply-To: <48986AC6.5030406@linux-foundation.org> Content-Disposition: inline Sender: linux-fsdevel-owner@vger.kernel.org List-ID: >>> Can you quantify the difference? >> >> machine spec: >> CPU: IA64 x 8 >> MEM: 8G (4G x2node) > > 16k or 64k page size? 64k. >> So, about 2.5G - 3G difference in 8G mem. > > Well not sure if that tells us much. Please show us the output of > /proc/meminfo after each run. The slab counters indicate how much memory is > used by the slabs. > > It would also be interesting to see the output of the slabinfo command after > the slub run? ok. but i can't do that in this week. so, I'll do it in next week. honestly, I don't know how to use slabinfo command :-)