[lustre-discuss] Frequency vs Cores for OSS/MDS processors

[Jeff Johnson]

Simon,

Which backend do you plan on using? ldiskfs or zfs?

—Jeff

On Thu, Jul 4, 2019 at 10:41 Simon Legrand <simon.legrand at inria.fr> wrote:

> Dear all,
>
> We are currently configuring a Lustre filesystem and facing a dilemma. We
> have the choice between two types of processors for an OSS and a MDS.
> - Intel Xeon Gold 5217 3GHz, 11M Cache,10.40GT/s, 2UPI, Turbo, HT,8C/16T
> (115W) - DDR4-2666
> - Intel Xeon Gold 5218 2.3GHz, 22M Cache,10.40GT/s, 2UPI, Turbo,
> HT,16C/32T (105W) - DDR4-2666
>
> Basically, we have to choose between freequency and number of cores.
> Our current architecture is the following:
> - 1MDS with 11To SDD
> - 3 OSS/OST (~ 3*80To)
> Our final target is 6 OSS/OST with a single MDS.
> Do anyone of you could help us to choose and explain us the reasons?
>
> Best regards,
>
> Simon
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> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
-- 
------------------------------
Jeff Johnson
Co-Founder
Aeon Computing

jeff.johnson at aeoncomputing.com
www.aeoncomputing.com
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4170 Morena Boulevard, Suite C - San Diego, CA 92117

High-Performance Computing / Lustre Filesystems / Scale-out Storage
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