NFS Performance issue against NetApp

[Rainer Duffner]

Am 24.04.2013 um 23:02 schrieb "Marc G. Fournier" <scrappy at hub.org>:

> 
> On 2013-04-24, at 12:48 , Rainer Duffner <rainer at ultra-secure.de> wrote:
> 
>> 
>> In the NFS mount options.
>> I've re-done my tests and it still seems to be a problem. 
> 
> 'k, just to clarify … your tests are with the Broadcom chipset(s)?   I have an Intel card on order, so will run tests against that as soon as it gets here to see  how it changes …
> 


No, with the intel card then.
Even then it was slow.



> Just curious, but what are you running for tests?   I noticed it visually, but other then  using something like iozone21, not sure what is useful for coming up with a benchmark …


I've just ran something like
dd if=/dev/zero of=bla bs=1000000 count=1000

on the nfsmount on the client.

mount 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test 
dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 27.826971 secs (35936358 bytes/sec)

mount -o nfsv3,rsize=131072,wsize=131072 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test    
 dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 78.594951 secs (12723464 bytes/sec)


mount -o nfsv3,rsize=65536,wsize=65536 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test  
dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 68.243100 secs (14653496 bytes/sec)

mount -o nfsv3,rsize=32768,wsize=32768 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test         
 dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 13.326178 secs (75040270 bytes/sec)


mount -o nfsv3,rsize=16384,wsize=16384 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test  
 dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 11.965145 secs (83576086 bytes/sec)


mount -o nfsv3,rsize=8182,wsize=8192 10.10.91.226:/zones/userdata/shares/nfs/test-export /home/mpd-test/nfs-test 
 dd if=/dev/zero of=bla bs=1000000 count=1000
1000+0 records in
1000+0 records out
1000000000 bytes transferred in 11.861178 secs (84308657 bytes/sec)