[Xen-users] Re: Large server, Xen limitations

[Aleksandar Ivanisevic <aleksandar@xxxxxxxxxxxxx>]

Stefan de Konink <stefan@xxxxxxxxx> writes:

> Aleksandar Ivanisevic wrote:
>> Stefan de Konink wrote:
>>> Aleksandar Ivanisevic wrote:
>>>> Steve Thompson <smt@xxxxxxxxxxxx> writes:
>>>>
>>>>> - With a large number of guests, you have to be more careful with
>>>>> their start/stop/start order to avoid the 'out of memory' error.
>>>>
>>>> Can you elaborate on this?
>>>> I have a 8Gb server running a dozen or so VMs with combined memory
>>>> usage (as reported by xm list) never over 6Gb and been getting strange
>>>> intermittent out of memory errors.
>>>
>>> Are you doing any operations on XenD? Or are you keeping your
>>> fingers of the box?
>>
>> This is a dedicated xen server. Practically nothing except xm
>> doesnt get executed there.
>
> That is exactly the issue I'm talking about. How often do you save/migrate?

Not very often, but as far as I can remember, the problem does occur
more often after a few migrations.

Is this something documented, reported? Can it be avoided somehow?

-- 
To sto si frustriran, zavidan tko zna na cemu i sto ne vidis dalje od
svoje guzice je tuzno. Da onda barem imas toliko samokontrole da
sutis umjesto da pravis budalu od sebe... izgleda da si prestar da se
promjenis na bolje. - Davor Pasaric, hr.comp.mac


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