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Re: [Xen-devel] Xrenstore and many save/restore cycles...

To: "Petersson, Mats" <Mats.Petersson@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xrenstore and many save/restore cycles...
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Wed, 09 May 2007 17:15:05 +0100
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On 9/5/07 17:09, "Petersson, Mats" <Mats.Petersson@xxxxxxx> wrote:

> Is this something intended, and if so, would [I'm asking because I
> haven't tried it] the same effect be expected if 6000 domains where
> created and destroyed? If so, what is the purpose of keeping information
> about a domain that is no longer there?
> I can certainly see problems with servers that for one reason or another
> save/restore several domains daily - after a few months, there will be
> LOTS of data in the xenstore and potential swap-thrashin causing
> problems, or what???

These days xenstore only needs to hold information about live domains. The
/vm/<uuid> directory should be removed by xend once a domain is completely
dead. It'd be great to get a patch to fix this!

 -- Keir

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