[pve-devel] KVM live migration limited to SSH speed

Stefan Priebe s.priebe at profihost.ag
Thu Nov 1 21:00:12 CET 2012


Am 01.11.2012 17:42, schrieb Dietmar Maurer:
> http://www.psc.edu/index.php/hpn-ssh

THX - great think but don't wanna patch / build my own SSH package ;-) 
Great would be a general proxmox solution for trusted networks.

>> -----Original Message-----
>> From: pve-devel-bounces at pve.proxmox.com [mailto:pve-devel-
>> bounces at pve.proxmox.com] On Behalf Of Stefan Priebe - Profihost AG
>> Sent: Donnerstag, 01. November 2012 14:23
>> To: pve-devel at pve.proxmox.com
>> Subject: [pve-devel] KVM live migration limited to SSH speed
>>
>> Hello list,
>>
>> right now with the latest patches, a tuned ciphers list and openssl aes-ni
>> support i'm able to migrate whole vm's with 100% memory usage with
>> 75MB/s instead of 41MB/s.
>>
>> But this is still limited to the max speed i get with scp over 10GBE CPU bound.
>> As i use a seperated LAN for cluster and pve communication i can trust the
>> network to be secure.
>>
>> What are the possibilites to speed this up?
>>
>> Stefan
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>
>



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