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

["Likarpenkov Alexander" <al@xxxxxxxxxxxxxxx>]

JW> 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.

JW> As a result of lessons learned years ago, I keep dom0 small (<2 GB),
JW> and only stubdom-based HVM and straight PV domains are used. xend is
JW> not used to manage networking.

JW> To clarify, a machine is still running, and partially usable. It has
JW> mysterious memory usage (~1.5 GB of it) that does not show in "top" or
JW> "slabinfo", and I am trying to determine what's consuming it. This will
JW> in turn hopefully tell me more about how to avoid the situation in the
JW> future.

Why do you want 2G of memory in the system? 256-512 - the maximum that must 
be escaped.

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