Re: [Beowulf] Oracle spins own Linux for mega hardware

2010-09-20 Thread Mark Hahn
Seems strange that these suddenly appear after the Sun acquisition. My take on it - a Sun HPC box which is being repurposed as a high end database server. Actually I suspect it's the other way around, I'm guessing they're taking the Sun Exadata2 (pre-dates the purchase) and are working to make t

Re: [Beowulf] Oracle spins own Linux for mega hardware

2010-09-20 Thread Christopher Samuel
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 21/09/10 06:53, John Hearns wrote: > Seems strange that these suddenly appear after the Sun > acquisition. My take on it - a Sun HPC box which is being > repurposed as a high end database server. Actually I suspect it's the other way around, I'm g

[Beowulf] Oracle spins own Linux for mega hardware

2010-09-20 Thread John Hearns
http://www.theregister.co.uk/2010/09/20/oracle_own_linux/ Two points I would like to explore here: "The eight OLTP servers, meanwhile, will feature 2TB of DRAM and up to 4,096 CPUs, 4PB of cluster volumes and what Ellison claimed will be "advanced" NUMA support." Are these designs something that

Re: [Beowulf] A sea of wimpy cores

2010-09-20 Thread Greg Lindahl
Because you're trying to figure out how your application scales with different memory speeds. On Mon, Sep 20, 2010 at 07:52:25PM +0200, Jonathan Aquilina wrote: > why would you want to run ram that is slower then the motherboard supports > anyway? i dont see any advantages of doing that. isnt the

Re: [Beowulf] A sea of wimpy cores

2010-09-20 Thread Greg Lindahl
I'm sure that some BIOSes have that kind of feature, but none of the ones that I'm currently using do. On Sun, Sep 19, 2010 at 08:06:39AM +0200, Jonathan Aquilina wrote: > Greg correct me if im wrong but cant you put in the memory which is > compatible with the system and slow the memory bus down

Re: [Beowulf] A sea of wimpy cores

2010-09-20 Thread Jonathan Aquilina
why would you want to run ram that is slower then the motherboard supports anyway? i dont see any advantages of doing that. isnt the whole point to try and speed up the calculation process? On Mon, Sep 20, 2010 at 7:47 PM, Greg Lindahl wrote: > I'm sure that some BIOSes have that kind of feature