Re: [Xen-users] Finding free memory

[Rushikesh <rushikesh.jadhav@xxxxxxxxxx>]

On Wednesday 22 December 2010 02:10 AM, Todd Deshane wrote:
> On Tue, Dec 21, 2010 at 1:21 PM, Rushikesh<rushikesh.jadhav@xxxxxxxxxx>  wrote:
>    
> > Hi list,
> >
> > This is probably my first email to the list :)
> >
> > I'm using XCP 0.5 as of now and I'm very happy with its performance and
> > features.
> >
> > I'm trying to identify two realtime parameters of a running VM using
> >
> > # xe vm-data-source-query  data-source=memory_internal_free vm=vm1
> >
> > # xe vm-data-source-query  data-source=memory vm=vm1
> >
> > On a stable VM (the VM whose target memory is not changing rapidly) these
> > commands are giving correct output but if I set a VM's target memory and try
> > to check its internal free memory Im getting old value... and after a minute
> > If I fire the same command to check internal free memory it gives me an
> > updated value which is correct.
> >
> > I want to fetch the realtime data with "# xe vm-data-source-query
> >   data-source=memory_internal_free vm=vm1"   but  cant get.. the output is
> > always a minute old
> >
> > could someone please shed some light on this.?? or am I missing anything ??
> >   or is there any way by which I can force xe command to update its database
> > ?
> >      
> Determining free memory is tricky. Make sure that you have the
> XenServer tools installed.
>
> Are you familiar with this wiki page:
> http://wiki.xensource.com/xenwiki/Dynamic_Memory_Control
>
> Let us know if that helps.
>
> Thanks,
> Todd
>
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>
>    
Thanks for the reply Todd.

Regarding the xen tools, they are installed inside the VM and I'm 
getting the updates but late, approximately a minute or two.
Link appreciated but I'm unable to find any useful information regarding 
my problem from it.

Regards,
Rishi

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