linux-ext4 - Re: request for info on the list of parameters to tweak for PCIe SSDs

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Message-ID: <20141031162210.GA19685@thunk.org>
Date:	Fri, 31 Oct 2014 12:22:10 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Lakshmi_Narayanan_Du@...l.com
Cc:	linux-ext4@...r.kernel.org
Subject: Re: request for info on the list of parameters to tweak for PCIe SSDs

On Fri, Oct 31, 2014 at 04:15:32PM +0530, Lakshmi_Narayanan_Du@...l.com wrote:
> 
> Could you kindly help us with the list of all the ext4  file 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
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