From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: request for info on the list of parameters to tweak for PCIe SSDs Date: Fri, 31 Oct 2014 12:22:10 -0400 Message-ID: <20141031162210.GA19685@thunk.org> References: <6891C2FAE3B0F342A5B80AFBDCFB579713AACD3338@BLRX7MCDC204.AMER.DELL.COM> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org To: Lakshmi_Narayanan_Du@Dell.com Return-path: Received: from imap.thunk.org ([74.207.234.97]:55275 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752234AbaJaQWN (ORCPT ); Fri, 31 Oct 2014 12:22:13 -0400 Content-Disposition: inline In-Reply-To: <6891C2FAE3B0F342A5B80AFBDCFB579713AACD3338@BLRX7MCDC204.AMER.DELL.COM> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Fri, Oct 31, 2014 at 04:15:32PM +0530, Lakshmi_Narayanan_Du@Dell.com= wrote: >=20 > Could you kindly help us with the list of all the ext4 =A0file system > parameters , that can be tweaked for the best performance of the > PCIe based SSDs ? The main tuning parameter to use for PCIe based SSD's that I would recommend is to use the dioread_nolock mount option. Most other tuning parameters would be very workload and hardware/configuration depend. Cheers, - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html