[pve-devel] xbzrle cache size

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Thu Oct 25 14:29:50 CEST 2012


i've enabled it again ;-) But can't find the reason why it is absolutely 
fast sometimes and sometimes slow even with the SAME VM running the SAME 
workload...

Am 25.10.2012 14:28, schrieb Alexandre DERUMIER:
> Yes, I think we have disable xbzrle for now.
>
> ----- Mail original -----
>
> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag>
> À: pve-devel at pve.proxmox.com
> Envoyé: Jeudi 25 Octobre 2012 14:20:28
> Objet: Re: [pve-devel] xbzrle cache size
>
> please ignore this. Got the source code wrong.
>
>
>> Hello list,
>>
>> what is the reason that we have only a cache size of 64k? When i change
>> the cache size to 256k my migration speed increases from 20MB/s to
>> 350MB/s and speed drops from 6min to 25s.
>>
>> Is there also a way to query migrate speed and migrate downtime value?
>>
>> Greets,
>> Stefan
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