On Friday 22 June 2001 14:28, Christian Mayrhuber wrote:
> > Try testing with Bonnie++, the file creation and deletion tests will
> > give interesting results! ;)
> >
> > In one test I had an AIX machine that was moderately grunty (two fast
> > POWER CPU's, 6 hard drives on a 160MB/s bus, 256M of RAM). When
> > running Bonnie++ I found that the AIX machine could create files on
> > my Thinkpad over a 10baseT NFS mount faster than it could create them
> > on a local JFS file system!
>
> This is not the case for me, nfs performance never reaches local disk
> performance.
Of course not. But ReiserFS on an NFS server can outperform local disks
running other file systems.
> I think the network is the limiting factor.
> I don't have a idea if the bonnie file creation numbers over nfs are
> good ones or not, at least stat seems to be speedy.
>
>
> 1GHZ Athlon AMI Megaraid Raid-5 138GB/total, kernel-2.4.6-pre5, local,
> reiserfs
> Unknown,,30,14169,99,+,105,16224,91,13047,96,+,100,
>14010,100
>
> 1GHz Athlon, client, Raid-5 array mounted over a 100MBit/s network
> Unknown,,30,3578,30,13676,53,4682,33,3614,31,17797,49,4251,
>29
Now try a local Ext2 file system and see if you get more than 200 files
created per second. Then try a local JFS file system on AIX and see if
you can get more than 50 files created per second. ;)
--
http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/ Postal SMTP/POP benchmark
http://www.coker.com.au/projects.html Projects I am working on
http://www.coker.com.au/~russell/ My home page