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

2019-07-05 Thread Simon Legrand
Thanks a lot for your advice. Beyond the fact that ZFS requires more ressources, is it a general rule to privilege frequency over cores for a MDS and inverse for the OSS? Simon > De: "Jeff Johnson" > À: "Simon Legrand" > Cc: "lustre-discuss" > Env

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

2019-07-04 Thread 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" > À: "Simon Legrand" > Cc: "lustre-discuss" > Envoyé: Jeudi 4 Juillet 2019 20:40:40 > O

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

2019-07-04 Thread Simon Legrand
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