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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

Try setting:

ram_allocation_ratio=10

in your nova.conf (it defaults to 1.5)

Vish

On Jun 21, 2012, at 11:34 AM, Sam Su wrote:

> Hi,
> 
> I have a mini openstack environment with one compute node and one nova control node. There is 4G memory in the compute node, and I have allocated 2 VMs with 2G memory for each VM. When I try to create another VM , I get the error as below:
> http://pastebin.com/QZMQvXtB
> 
> I am wondering whether Openstack has support memory overcommit? How to do this? 
> 
> It will be much appreciated If someone can give me some hints about this in convenience.
> 
> Thanks,
> Sam
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