Date: Sun, 24 Nov 2013 19:31:41 +0000 From: krad <kraduk@gmail.com> To: Steven Hartland <killing@multiplay.co.uk> Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: Performance difference between UFS and ZFS with NFS Message-ID: <CALfReyfDWTsgXf8JX-eNYOTFdkcYovUf0q=zGQPDUsEUi4nqbw@mail.gmail.com> In-Reply-To: <B7C29F362A5045B48BF4CE223E7CE0AD@multiplay.co.uk> References: <2103733116.16923158.1384866769683.JavaMail.root@uoguelph.ca> <9F76D61C-EFEB-44B3-9717-D0795789832D@gmail.com> <CAM=5oeAF2gfccrGNdbApUDpqRae4OQjZ7oaZZi4y1j%2BsF6PsTw@mail.gmail.com> <5969250F-0987-4304-BB95-52C7BAE8D84D@gmail.com> <CAM=5oeBmCAq9unFGC2CBoJ3rZMm9MtDw1DWkFpo2ZqQtx3G%2B=Q@mail.gmail.com> <18391B9C-2FC4-427B-A4B6-1739B3C17498@gmail.com> <CAM=5oeAXiRn2aHvNPuZRPFJp6G45OqdQEDsz2_xGobCUHJp_VQ@mail.gmail.com> <CAM=5oeAybYZsn-TQTvfYO3Kx-chZULeYUEhg9fRMi-CFX0aYBA@mail.gmail.com> <B7C29F362A5045B48BF4CE223E7CE0AD@multiplay.co.uk>
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I was thinking the same, if it was using /dev/zero as an input any compression would skew the results a little. On 24 November 2013 15:15, Steven Hartland <killing@multiplay.co.uk> wrote: > ----- Original Message ----- From: "Eric Browning" > > > > On a side note I forgot that I had used dd to test the disk performance a >> while ago when I was using ZFS. >> >> ZFS performance: >> 3072000000 bytes transferred in 34.167480 secs (89910055 bytes/sec) >> 34.17s real 0.61s user 31.89s sys >> >> UFS performance: >> 3072000000 bytes transferred in 11.848883 secs (259264942 bytes/sec) >> 11.85s real 0.58s user 11.25s sys >> >> Again, even with dd performance is about 3x faster with UFS with the same >> disks. >> > > Interesting, what was you command exactly? > > Regards > Steve > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. and > the person or entity to whom it is addressed. In the event of misdirection, > the recipient is prohibited from using, copying, printing or otherwise > disseminating it or any information contained in it. > In the event of misdirection, illegible or incomplete transmission please > telephone +44 845 868 1337 > or return the E.mail to postmaster@multiplay.co.uk. > > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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