Folks,
i would like to thank you again for your help regarding performance speedup of our ceph cluster.
Customer just reports, that database is around 40% faster than before without changing any hardware.
This really kicks ass now! :)
We measured the subop_latency - avgtime on our OSDs and could reduce latency from 2.5ms to 0.7ms now.
:p
Cheers
Stefan
-----Ursprüngliche Nachricht-----
Von: Виталий Филиппов <vitalif@xxxxxxxxxx>
Gesendet: Dienstag 14 Januar 2020 10:28
An: Wido den Hollander <wido@xxxxxxxx>; Stefan Bauer <stefan.bauer@xxxxxxxxxxx>
CC: ceph-users@xxxxxxxxxxxxxx
Betreff: Re: low io with enterprise SSDs ceph luminous - can we expect more? [klartext]
...disable signatures and rbd cache. I didn't mention it in the email to not repeat myself. But I have it in the article :-)
--
With best regards,
Vitaliy Filippov
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