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Re: [Xen-users] memory not released to dom0

To: Aclhk Aclhk <aclhkaclhk@xxxxxxxxx>
Subject: Re: [Xen-users] memory not released to dom0
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Mon, 25 Jan 2010 19:59:40 +0200
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On Mon, Jan 25, 2010 at 01:45:19AM -0800, Aclhk Aclhk wrote:
>    after shutdown many domu, the memory is not release to dom0,
> 
>    before:
>     host: 8g phy memory
>    16g swap (4g used)
>    dom0: 600m
>    domu: consumed all memory, no new domu could be created
> 
>    after shutdown many domu:
>     host: 8g phy memory
>    16g swap (4g used)
>    dom0: 600m
>    domu: 2g
> 
>    why memory of dom0 is still 600m? how to release more to dom0?
> 

Please see this wiki page:
http://wiki.xensource.com/xenwiki/XenBestPractices

Xen dom0 shouldn't have all the memory visible to it in the first place!
"xm info" will show you the free memory in the Xen hypervisor.

-- Pasi


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