Hi, I don't have compression and deduplication enabled, but checksums are. However disabling checksums gives a 0.5 load reduction only...
Bruno On 23-2-2010 20:27, Eugen Leitl wrote: > On Tue, Feb 23, 2010 at 01:03:04PM -0600, Bob Friesenhahn wrote: > > >> Zfs can consume appreciable CPU if compression, sha256 checksums, >> and/or deduplication is enabled. Otherwise, substantial CPU >> consumption is unexpected. >> > In terms of scaling, does zfs on OpenSolaris play well on multiple > cores? How much disks (assuming 100 MByte/s throughput for each) > would be considered pushing it for a current single-socket quadcore? > > >> Are compression, sha256 checksums, or deduplication enabled for the >> filesystem you are using? >> >
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