[PVE-User] Ceph Cache Tiering

Brian :: bc at iptel.co
Mon Oct 10 12:19:50 CEST 2016


Hi Lindsay

I think with clusters with VM type workload and at the scale that
proxmox users tend to build < 20 OSD servers that cache tier is adding
layer of complexity that isn't going to payback. If you want decent
IOPS / throughput at this scale with Ceph no spinning rust allowed
anywhere  :)

Regards


On Sat, Oct 8, 2016 at 11:21 PM, Lindsay Mathieson
<lindsay.mathieson at gmail.com> wrote:
> On 9/10/2016 7:45 AM, Lindsay Mathieson wrote:
>>
>> cache tiering was limited and a poor fit for VM Hosting, generally the
>> performance was with it
>
>
> "was *worse* with it"
>
>
> :)
>
>
> --
> Lindsay Mathieson
>
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