Re: some simple nfs-benchmarks on 5.4 RC2

From: Mike Tancsa (mike_at_sentex.net)
Date: 04/21/05

  • Next message: Claus Guttesen: "Re: some simple nfs-benchmarks on 5.4 RC2" 
    Date: Wed, 20 Apr 2005 23:57:08 -0400
To: Claus Guttesen <kometen@gmail.com>, Eric Anderson <anderson@centtech.com>

    At 04:47 AM 20/04/2005, Claus Guttesen wrote:
    > > elin% dd if=/dev/zero of=/nfssrv/dd.tst bs=1024 count=1048576
    > > 1048576+0 records in
    > > 1048576+0 records out
    > > 1073741824 bytes transferred in 21.373114 secs (50237968 bytes/sec)
    > >
    >
    >Follow-up, did the same dd on a Dell 2850 with a LSI Logic (amr), 6
    >scsi-disks in a raid 5:
    >
    >frodo~%>dd if=/dev/zero of=dd.tst bs=1024 count=1048576
    >1048576+0 records in
    >1048576+0 records out
    >1073741824 bytes transferred in 8.972321 secs (119672693 bytes/sec)
    >
    >Must faster. FreeBSD 5.4 RC2.

    FYI, here is on an Areca SATA in Raid5, 4 disks 3Ghz P4

    [nfs]# dd if=/dev/zero of=dd.tst bs=1024 count=1048576
    1048576+0 records in
    1048576+0 records out
    1073741824 bytes transferred in 16.416051 secs (65408047 bytes/sec)
    [nfs]#

    [nfs]# dd if=/dev/zero of=dd.tst bs=2048 count=1048576
    1048576+0 records in
    1048576+0 records out
    2147483648 bytes transferred in 30.371264 secs (70707747 bytes/sec)
    [nfs]#

    Same box, but to an ad0 partition (similar Segate drive)
    [nfs]# dd if=/dev/zero of=dd.tst bs=512 count=1048576
    1048576+0 records in
    1048576+0 records out
    536870912 bytes transferred in 11.096809 secs (48380658 bytes/sec)
    [nfs]#

    RELENG_5 from today.

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  • Next message: Claus Guttesen: "Re: some simple nfs-benchmarks on 5.4 RC2"