Hello Alwin, do you know if it makes difference to disable "all green computing" in the BIOS vs. settings the governor to "performance" in the OS? Of not, I think I will will have some service cycles to set our proxmox-ceph nodes correctly. Best Regards, Andreas On 14.10.20 08:39, Alwin Antreich wrote: > On Tue, Oct 13, 2020 at 11:19:33AM -0500, Mark Nelson wrote: >> Thanks for the link Alwin! >> >> >> On intel platforms disabling C/P state transitions can have a really big >> impact on IOPS (on RHEL for instance using the network or performance >> latency tuned profile). It would be very interesting to know if AMD EPYC >> platforms see similar benefits. I don't have any in house, but if you >> happen to have a chance it would be an interesting addendum to your report. > Thanks for the suggestion. I indeed did a run before disabling the C/P > states in the BIOS. But unfortunately I didn't keep the results. :/ > > As far as I remember though, there was a visible improvement after > disabling them. > > I will have a look, once I have some time to do some more benchmarks. > > -- > Cheers, > Alwin > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > -- Andreas John net-lab GmbH | Frankfurter Str. 99 | 63067 Offenbach Geschaeftsfuehrer: Andreas John | AG Offenbach, HRB40832 Tel: +49 69 8570033-1 | Fax: -2 | http://www.net-lab.net Facebook: https://www.facebook.com/netlabdotnet Twitter: https://twitter.com/netlabdotnet _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
 |