[smokeping-users] Smokeping graphs from VMware slave is "choppy"
Bruce.Mackey at whalebacksystems.com
Fri May 2 21:46:16 CEST 2008
I was using a QEMU/KVM engine, but we are transitioning to the VMware
I found one mention
d=displayKC&externalId=916) that the HOST OS's power management system
may cause the VMware GUEST Clocks to vary. I'm going to try to disable
the APM idling feature on the HOST and see if that helps.
From: smokeping-users-bounces at lists.oetiker.ch
[mailto:smokeping-users-bounces at lists.oetiker.ch] On Behalf Of Stefan
Sent: Wednesday, April 30, 2008 10:17 AM
To: Wolfgang Hennerbichler
Cc: smokeping-users at lists.oetiker.ch
Subject: Re: [smokeping-users] Smokeping graphs from VMware slave is
Am 30.04.2008 um 16:06 schrieb Wolfgang Hennerbichler:
> On Apr 30, 2008, at 16:01 , Chris Wilson wrote:
>> Hi Bruce,
>> On Wed, 30 Apr 2008, Bruce Mackey wrote:
>>> I suspect there is some time synching issue involved, but when I
>>> my slave to a VMware image, I started getting choppy graphs.
>> vmware time is all over the place. My advice would be "don't do
> I guess the same thing goes for xen? I see similar results in my xen
More or less, this is the same for all virtual machine environments. I
believe that VMware offers a stable time source, but I'm not sure
which kernel, if any, can make use of it.
If you wnat some form of virtualisation which does provide this kind
of timing stability, I've used FreeBSD jails quite successfully. I
also suspects that Solaris zones provide similar behaviour.
Stefan Bethke <stb at lassitu.de> Fon +49 170 346 0140
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