Let me suggest yet another way -- use config generated by vzsplit 1.
You'll have something very close to "unlimited" but without deficiency
#3 pointed to by Kirill.
Kirill Korotaev wrote:
You just need to set maximum values to barrier/limits and VM will be
essentially uinlimited.
Check /proc/user_beancounters to see how host VM is limited with "unlimited"
values (i.e. highest possible
limit value).
3 notes:
1. max limit is different on x32 and x64 machines
2. both barrier and limit must be set to these values.
3. in such a configuration if a global memory shortage happens out-of-memory
killer kills some app as in native Linux system.
Thanks,
Kirill
Steve Wray wrote:
No answers? Its been a while...
We have a bunch of openvz VMs, nothing 'in production'. The host has 4G
of RAM. I want all the VMs to have access to 4G of RAM and all the
sockets and other stuff that they may need at any time; I don't have
time to carefuly tune the parameters of all of them to just what they
need and no more.
I don't mind or care that they are over-committed I just want them to
have max resources.
Thanks
Steve Wray wrote:
Hi there,
I have a server running OpenVZ with several VMs running on it.
At the moment I have to specify various limits to each VM
configuration and, when they hit their limits strange things can happen.
Ideally I'd let them all have full access to all the resources
available on the physical server. They can fight it out among
themselves if they want to compete for the resources. Most of these
VMs are quiescent and not actually doing much at all most of the time
anyway.
I've not been able to figure out how to configure OpenVZ like this
though. Is it something I have to set in each VM config file? Or is it
a server-wide thing?
Any ideas?
Thanks!
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