From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 27 Jun 2005 18:26:46 -0700 From: William Lee Irwin III Subject: Re: [rfc] lockless pagecache Message-ID: <20050628012646.GP3334@holomorphy.com> References: <42BF9CD1.2030102@yahoo.com.au> <20050627004624.53f0415e.akpm@osdl.org> <42BFB287.5060104@yahoo.com.au> <20050627131710.GC13945@kvack.org> <42C09AB3.7030907@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42C09AB3.7030907@yahoo.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Benjamin LaHaise , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: Benjamin LaHaise wrote: >> Shared memory overhead doesn't show up on any of the database benchmarks >> I've seen, as they tend to use huge pages that are locked in memory, and >> thus don't tend to access the page cache at all after ramp up. On Tue, Jun 28, 2005 at 10:32:51AM +1000, Nick Piggin wrote: > To be quite honest I don't have any real workloads here that stress > it, however I was told that it is a problem for oracle database. If > there is anyone else who has problems then I'd be interested to hear > them as well. It's vlm-specific. -- wli -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org