>>Doesn't make any difference. But i'm now at 18.000 iops ;-) Read and writes ? do you have found your write cpu problem ?
----- Mail original ----- De: "Stefan Priebe - Profihost AG" <[email protected]> À: "Alexandre DERUMIER" <[email protected]> Cc: [email protected], "Dietmar Maurer" <[email protected]> Envoyé: Vendredi 9 Novembre 2012 11:08:18 Objet: Re: [pve-devel] less cores more iops / speed Am 09.11.2012 11:01, schrieb Alexandre DERUMIER: > do you have tried fio with --numjobs option ? (I'll make more fio threads I > think, maybe set it to the number of cpu you have) Doesn't make any difference. But i'm now at 18.000 iops ;-) > ----- Mail original ----- > > De: "Stefan Priebe - Profihost AG" <[email protected]> > À: "Dietmar Maurer" <[email protected]> > Cc: "Alexandre DERUMIER" <[email protected]>, [email protected] > Envoyé: Vendredi 9 Novembre 2012 10:06:45 > Objet: Re: [pve-devel] less cores more iops / speed > > I'm pinnin inside the kvm process the fio process. SO it shouldn't be a > problem of librbd alone. > > Stefan > Am 09.11.2012 09:59, schrieb Dietmar Maurer: >>> Am 09.11.2012 09:50, schrieb Dietmar Maurer: >>>>>> It's try to keep process on same numa node and I think it's also >>>>>> doing some >>>>> dynamic pinning. >>>>> >>>>> numad doesn't help but libvirt seems to support pinning of kvm instances. >>>>> Maybe pve should support pinning too? >>>> >>>> So far I never had such problems. >>>> >>>> IMHO, Manual pinning is the wrong way. >>> >>> But doing heavy I/O with 8 Cores is much slower than with 2 Cores that >>> can't >>> be correct... >> >> What exactly is the suggestion? So far only rbd client shows such behavior? >> _______________________________________________ pve-devel mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
