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Date: Fri, 07 Jan 2011 12:41:07 +0100
From: Miroslav Lachman <000.fbsd@quip.cz>
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Subject: Phoronix comparision of HAMMER, UFS, ZFS, EXT3, EXT4, Btrfs
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Another filesystem benchmark from Phoronix. This time comparing HAMMER, 
UFS, ZFS, EXT3, EXT4 and Btrfs on DragonFly BSD, PC-BSD and Ubuntu.

http://www.phoronix.com/scan.php?page=article&item=dragonfly_hammer

I think it is almost useless test if systems were crippled to UP, 
because of bad SMP performance of DragonFly BSD.

citation: "...the SMP performance under our setup was actually much 
slower than with its UP kernel. As a result, we used the stock 
DragonFlyBSD UP kernel and when benchmarking PC-BSD and Ubuntu we 
disabled the SMP support there."

Miroslav Lachman