OpenVZ Forum


Home » Mailing lists » Devel » Query on host swapping of guest pages.
Re: Query on host swapping of guest pages. [message #31691 is a reply to message #31688] Mon, 07 July 2008 05:15 Go to previous message
Kirill Korotaev is currently offline  Kirill Korotaev
Messages: 137
Registered: January 2006
Senior Member
Arn wrote:
> On Sun, Jul 6, 2008 at 2:19 PM, Kirill Korotaev <dev@parallels.com> wrote:
>>> Does OpenVZ support host swapping of guest pages ? That is : if a host
>>> experiences memory pressure, can it swap out some of a guest's (guest
>>> vm) pages and use them ? I assume that if this is possible then when
>>> the guest needs to use the memory again it will be swapped back in ?
>>> Can someone confirm if OpenVz does this ?
>> yes, it does.
>>
>>> Also, can the host change the memory allocation for a guest at runtime
>>> (while the guest is running) ?
>> not sure what you mean...
> 
> Kirill, thanks for the response.
> 
> What I mean is that if we specify that a guest VM has say 512 MB of
> physical RAM when we are initalizing/starting the VM then can we
> change it later while the guest is still running. That is, can I later
> reduce or increase the amount of physical RAM the guest VM has without
> restarting it ?

yes.

Kirill
 
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH 2/3] i/o bandwidth controller infrastructure
Next Topic: Re: [PATCH 0/4] MIB: add struct net to UDP accounting macros
Goto Forum:
  


Current Time: Sun Oct 12 23:29:30 GMT 2025

Total time taken to generate the page: 0.12469 seconds