[Xen-devel] RE: "xm create" take more time to return.

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

No one care about the stress case? Or this issue only happen to me?

best regards
yang


> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Zhang, Yang Z
> Sent: Friday, November 19, 2010 9:47 AM
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Keir Fraser
> Subject: [Xen-devel] "xm create" take more time to return.
> 
> Hi all
> Now I am running stress test against xen-unstable. We have one case that
> repeated to create/destroy guest one thousand times. I can see it is always
> successful to create/destroy guest at begin of the testing(about first three
> hundreds). But after create/destroy guest about three hundreds, we start to
> see the testing will fail sometime. And at ending of the testing, it always 
> fail to
> create guest.
> After investigation, we found after many times create/destroy guest. The
> return from "xm create guest.config" was very slowly. It may take more than 1
> minutes to return. But guest still successful to create when it returned. With
> "top", I found the xenstored take about 70% cpu utilization when run "xm
> create". So I think there would be something wrong with xenstored after
> create/destroy guest many many times.
> Anyone have suggestion?
> 
> best regards
> yang
> 
> 
> 
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