;
À: "Alexandre DERUMIER"
Cc: pve-devel@pve.proxmox.com
Envoyé: Mercredi 12 Novembre 2014 16:54:58
Objet: RE: [pve-devel] pve-storage : rbd : add support for krbd
> >>But this is a bug inside librbd, so they should fix it there?
>
> Yeah, I'll discuted about th
> >>But this is a bug inside librbd, so they should fix it there?
>
> Yeah, I'll discuted about this with ceph devs today, at the weekly performance
> meeting.
> http://pad.ceph.com/p/performance_weekly.
OK, please report back.
Note: we can include the patch If nothing else helps ;-)
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t as optionnal feature. could be use for some vms with high
ios need.
- Mail original -
De: "Dietmar Maurer"
À: "Alexandre Derumier" , pve-devel@pve.proxmox.com
Envoyé: Mercredi 12 Novembre 2014 14:44:42
Objet: RE: [pve-devel] pve-storage : rbd : add support for krbd
> Cpu usage is 4x lower than librbd, so it's possible to reach a lot more iops
> (I have
> benched 10 iops with mutiple iothreads).
But this is a bug inside librbd, so they should fix it there?
And this does not work with our 2.6.32 kernel...
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p
This allow to use kernel rbd module (available in 3.10 kernel - works with
giant).
Cpu usage is 4x lower than librbd, so it's possible to reach a lot more iops
(I have benched 10 iops with mutiple iothreads).
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