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

[Simon Legrand]

Hello Jeff, 

Thanks for your quick answer. We plan to use ldiskfs, but I would be interested to know what could fit for zfs. 

Simon 

> De: "Jeff Johnson" <jeff.johnson at aeoncomputing.com>
> À: "Simon Legrand" <simon.legrand at inria.fr>
> Cc: "lustre-discuss" <lustre-discuss at lists.lustre.org>
> Envoyé: Jeudi 4 Juillet 2019 20:40:40
> Objet: Re: [lustre-discuss] Frequency vs Cores for OSS/MDS processors

> Simon,

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

> —Jeff

> On Thu, Jul 4, 2019 at 10:41 Simon Legrand < [ mailto:simon.legrand at inria.fr |
> 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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> --
> ------------------------------
> Jeff Johnson
> Co-Founder
> Aeon Computing

> [ mailto:jeff.johnson at aeoncomputing.com | jeff.johnson at aeoncomputing.com ]
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