[PVE-User] CEPH performance

[Lindsay Mathieson]

On 10/06/2020 4:38 pm, Mark Adams via pve-user wrote:
> The simplest thing to set also is to make sure you are using writeback
> cache in your vms with ceph. It makes a huge difference in performance.


Chiming in - doing some testing with a 5 node ceph/proxmox cluster here. 
Basic spinners and 4*1G eth, LACP:tcp-balance.

enabling KRBD on the ceph pool made a huge difference - I presume that 
uses the rbd kernel driver?

-- 
Lindsay