[PVE-User] CEPH performance

Eneko Lacunza elacunza at binovo.es
Wed Jun 10 08:30:08 CEST 2020


Hi Marco,

El 9/6/20 a las 19:46, Marco Bellini escribió:
> Dear All,
> I'm trying to use proxmox on a 4 nodes cluster with ceph.
> every node has a 500G NVME drive, with dedicated 10G ceph network with 9000bytes MTU.
>
> despite off nvme warp speed I can reach when used as lvm volume, as soon as I convert it into a 4-osd ceph, performance are very very poor.
>
> is there any trick to have ceph intro proxmox working fast?
>
What is "very very poor"? What specs have the Proxmox nodes (CPU, RAM)?

AFAIK, it will be a challenge to get more that 2000 IOPS from one VM 
using Ceph...

How are you performing the benchmark?

Cheers

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