Re: [Xen-users] dom0 - oom-killer - memory leak somewhere ?

[John Weekes <lists.xen@xxxxxxxxxxxxxxxxxx>]

On 1/26/2012 12:06 PM, Likarpenkov Alexander wrote:
> In my servers now 16g memory. Until such time as did restrictions 
> dom0_mem = 512M and less, the amount of memory capacity increased. 
> After a 512 MB limit - I have a situation where the physical memory is 
> occupied, and completely empty swap. In this balooning - I do not cut 
> off.
> Basic postulate stable operation - Dom0 should have a minimum of 
> software, and most importantly do not use the internet through virbr0. 
> For distribution network is used as a gateway DomU. And bridges are 
> created manually at boot time.
As a result of lessons learned years ago, I keep dom0 small (<2 GB), and 
only stubdom-based HVM and straight PV domains are used. xend is not 
used to manage networking.
To clarify, a machine is still running, and partially usable. It has 
mysterious memory usage (~1.5 GB of it) that does not show in "top" or 
"slabinfo", and I am trying to determine what's consuming it. This will 
in turn hopefully tell me more about how to avoid the situation in the 
future.
-John

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