[pve-devel] firsts cache benchs results

Dietmar Maurer dietmar at proxmox.com
Wed Nov 7 18:54:02 CET 2012


> >> AFAIR that is why we added 'cache=none' in the past
> 
> What I'm not sure, it's that in proxmox gui, the option "default (no cache)"
> don't pass any parameter to qemu drive parameter command line.

Yes (default should not add any drive parameter). 

Although we currently add 'cache=none' for raw files to the kvm command line!

> But qemu doc say that default cache mode was writethrough before qemu
> 1.2 ...

AFAIK qemu docs still say that (docu is wrong)

> So it was an error in proxmox gui ?

No really, because we add 'cache=none' for raw files to the kvm command line.

But if we use different defaults in future, we need to change that.


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