From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200506271905.j5RJ5ag22991@unix-os.sc.intel.com> From: "Chen, Kenneth W" Subject: RE: [rfc] lockless pagecache Date: Mon, 27 Jun 2005 12:05:36 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit In-Reply-To: <1119898264.13376.89.camel@dyn9047017102.beaverton.ibm.com> Sender: owner-linux-mm@kvack.org Return-Path: To: 'Badari Pulavarty' Cc: 'Nick Piggin' , Lincoln Dale , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: Badari Pulavarty wrote on Monday, June 27, 2005 11:51 AM > On Mon, 2005-06-27 at 11:14 -0700, Chen, Kenneth W wrote: > > Typically shared memory is used as db buffer cache, and O_DIRECT is > > performed on these buffer cache (hence O_DIRECT on the shared memory). > > You must be thinking some other workload. Nevertheless, for OLTP type > > of db workload, tree_lock hasn't been a problem so far. > > What about DSS ? I need to go back and verify some of the profiles > we have. I don't recall seeing tree_lock to be a problem for DSS workload either. -- 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