[Beowulf] zfs tuning for HJPC/cluster workloads?
landman at scalableinformatics.com
Sat Jul 5 21:31:07 EDT 2008
Chris Samuel wrote:
> Don't know if you realise this, but you have to get written
> permission from Sun before being able to publish any Solaris
> 10 benchmarks..
Ugh .. no I didn't. Thanks.
Posting of results removed from blog.
I think I understand why they don't want benchmarks published.
> I don't believe that this restriction applies to OpenSolaris
> (IANAL, YMMV, IIRC).
Sort of says something about the "Open Source" nature of the OS.
> FWIW my own testing of ZFS under OpenSolaris, compared
> with other Linux filesystems, showed the same issue for
> write's but much faster read performance. This was about
> a year ago though!
What limited information I have been able to find suggests that "thar be
dragons" (e.g. don't tune, that it is smarter than you are, and it auto
tunes). Yeah. Right.
I just want this file system to be about on par with its Linux
counterpart on the same hardware.
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423
fax : +1 866 888 3112
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