linux-ext4 - Re: e2fsck readahead speedup performance report

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Message-ID: <20140809035646.GA23604@thunk.org>
Date:	Fri, 8 Aug 2014 23:56:46 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: e2fsck readahead speedup performance report

Interesting results!

I noticed that the 1TB SSD did seem to suffer when you went from
multi-threaded to single-threaded.  Was this a SATA-attached or
USB-attached SSD?  And any insights about why the SSD seemed to
require threading for better performance when using readaead?

						- Ted
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