Date: Wed, 29 Dec 2010 17:11:32 -0700 From: David Samms <dsamms@nw-ds.com> To: freebsd-fs@freebsd.org Subject: 8.2-RC1 and ZFS Message-ID: <4D1BCE34.4090601@nw-ds.com>
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I gave ZFS a try again this afternoon and immediately came across what I would consider a problem. Simply running dd causes such IO contention that a GUI desktop is unusable and MP3s stop playing. The problem is very repeatable, just run dd if=/dev/zero of=big bs=1m count=6400 System is amd64, source updated Dec 27. Default ZFS parameters. (no tuning). With the same system but UFS+s dd causes no problems. -- David Samms New World Data Systems (614) 619-0000
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