Not intending to highlight Linux, was there any OpenSolaris issues over
the leap second ?
http://www.itwire.com./business-it-news/open-source/55528-linux-blamed-for-leap-second-issues
Regards,
Mark A. Lane
On 17/07/12 10:44 AM, Matthew Wallis wrote:
Bringing it back from a competitive Linux vs Solaris thing, I think "Cloud" is making
this change somewhat. A lot of HPC admins have looked at the Cloud, along with no doubt the VM
admins, and gone "Don't we do this already?".
Oddly enough, one of the main players in the HPC space, Adaptive Computing, formally,
Cluster Resources, made a few minor changes to their scheduling engine to enable better
integration of provisioning technologies and system monitoring, and now sell a Cloud
scheduling suite. Even before the Cloud was a thing, companies like Yahoo used the
scheduler to route "jobs" that had dependencies and deadlines around. Run it
where you have capacity, in any accessible data centre in the world.
Distributed databases and fatter pipes make it easier to have multiple data
centres and smaller servers. I know it's heresy for Oracle, but adding extra
capacity with a few small servers is easier to do.
That said, I think the biggest problem with distributed clusters of compute is
shifting the data around. CPU is cheap, moving petabytes of data is tedious. As
the pipes get fatter, and the storage smarter, even this will become less of a
problem.
On 17/07/2012, at 10:04 AM, Andre van Eyssen <an...@purplecow.org> wrote:
I think most business applications are better targetted to decent single system
image platforms rather than distributed clusters. Hence the long standing
business interest in platforms like Starcat, M8/9, p575, etc.
Most modern "supercomputers" are large but pretty boring.
On Tue, 17 Jul 2012, Matthew Wallis wrote:
*chuckles* So enterprises aren't interested in systems that run for 5 years at
80 - 90% of capacity? ;-)
On 17/07/2012, at 9:43 AM, Boyd Adamson <b...@boydadamson.com> wrote:
I'll bear this in mind the next time I'm building a supercomputer, rather than
an enterprise system.
</flamebait>
--
Boyd Adamson
On Monday, 16 July 2012 at 8:10 PM, Chris Wells wrote:
On Mon, Jul 16, 2012 at 6:07 PM, Russell Page <russellp...@foxhat.net> wrote:
"Those who don't understand UNIX are condemned to reinvent it, poorly."
- -Henry Spencer
This has been done. It's called Linux.
Wow another 'My OS is superior' flame bait posting. Well, Supposing you're
right -
Linux only runs on 462 out of 500 of the top 500 supercomputers run Linux, and
the first non-Linux supercomputer only made it into place 25.
There are only 7 Oracle supercomputers in the list, and all 7 run Linux, and
none of them on SPARC.
There are 5 Fujitsu computers running on SPARC, 4 of them Linux (including #2).
The only non-Linux one is running OpenSolaris (remember that), which has now
dropped from place 101 to place 160. Clearly Linux/x64 is the winner here, but
if you must run SPARC, it works best with Linux, obviously.
And it's enterprise enough to be Mainframe-ready. -
http://www-03.ibm.com/systems/z/os/linux/about/index.html .
This ain't the '90s. The Linux of now is vastly different to the Linux of
then....
YMMV
Chris
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Matthew Wallis, HPC Systems Administrator
Victorian Partnership for Advanced Computing.
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Andre van Eyssen.
mail: an...@purplecow.org jabber: an...@interact.purplecow.org
purplecow.org: UNIX for the masses http://www2.purplecow.org
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Matthew Wallis, HPC Systems Administrator
Victorian Partnership for Advanced Computing.
Ph: +61 3 9925 4452 Fax: +61 3 9925 4647
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