Initial NFS Test: Linux vs FreeBSD (769% slower)

[Marc G. Fournier]

On 2013-04-26, at 16:56 , Rick Macklem <rmacklem at uoguelph.ca> wrote:

>>> 
>>> FreeBSD start time for jBoss .. 270731ms (768% *slower*)
>>> Linux start time for jBoss ….…. 35218 ms
>>> 
> One thing is that, if you write an executable file to a Linux NFS
> mount point and then run it, without unmounting/remounting, I don't
> think it will page it in (the write will cache the pages).
> 
> If you didn't unmount/remount between writing jboss to the server and
> timing the startup of it, please try it again after doing a dismount/mount.
> (Doing the dismount/mount on the Linux client resulted in the same # of
> reads as FreeBSD for a quick test I did, instead of none without the
> dismount/remount.)

Okay, went one further, and rebooted the server, mounted file system and ran test .. this way, all caches cleared … ran faster this time: 

JBoss AS 7.1.1.Final "Brontes" started in 32727ms

Will work on the rest over the weekend … have to get to a function at daughters school …