Date: Mon, 21 Nov 2011 16:07:26 -0800 From: Ian Downes <ian@ndwns.net> To: freebsd-fs@freebsd.org Subject: tune ZFS for fast clone and creation? Message-ID: <20111122000726.GA46653@weta.local>
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Hello, I know ZFS is already 'fast' with COW clones etc., but can ZFS be tuned for faster clone and creation? The fast random access of a SSD helps but what other options are there? Tuning caches? Different zpool layouts? ...? I haven't been able to find any info so any suggestions would be welcome! some basic experiments: zpool with a single 500 GB 7200 rpm consumer HDD zpool with a single 64 GB consumer SSD zfs create: 250 ms on HDD 110 ms on SSD zfs clone: (about 1 GB of mixed size) 250 ms on HDD 85 ms on SSD
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