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From: Geoff Higginbottom <geoff.higginbottom@shapeblue.com>
To: "users@cloudstack.apache.org" <users@cloudstack.apache.org>
Subject: RE: Improving SSVM performance
Thread-Topic: Improving SSVM performance
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Date: Thu, 5 Dec 2013 17:02:10 +0000
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Deploying templates - copying from Secondary to Primary Storage - is handle=
d by the Host and not the SSVM

Exporting Templates is handled by the SSVM using its 'Storage Interface' to=
 read from Secondary Storage, and its 'Public Interface' to export it to th=
e logged in user.


Improving deployment times would be best achieved by enabling Jumbo Frames =
on the Secondary Storage Device and the NIC/Bond/vSwitch on the Host dedica=
ted to Secondary Storage and obviously the networks connecting them (this a=
ssumes you are using the Storage Network within CloudStack and hence have d=
edicated NICs)

There is also a SSVM MTU Global Setting which will also enable Jumbo Frames=
 on the 'Storage Interface' of the SSVM, but this will not change the MTU o=
n the Public Interface which will probably be your bottleneck


So for optimal Deployment, use the CloudStack Storage Network, have dedicat=
ed NICs on the Hosts, and use Jumbo Frames.

For optimal Exporting, the Public Network will be your bottleneck, and as t=
his is typically going over the Internet, using Jumbo Frames is not really =
an option.


Regards

Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

geoff.higginbottom@shapeblue.com

-----Original Message-----
From: Sean Hamilton [mailto:sean@seanhamilton.co.uk]
Sent: 05 December 2013 16:48
To: users@cloudstack.apache.org
Subject: Re: Improving SSVM performance

Hey Simon,

Got round to testing this in my lab. Times to complete Export OVF commands =
didn't improve massively:

10Gb template with SSVM on E1000:               03:21.18 (10GB)

10Gb  template with SSVM on VMXNET3:          03:17.18 (10GB)

60Gb  template with SSVM on E1000:      18:32.16 (60GB)

60Gb  template with SSVM on VMXNET3: 18:12.98 (60GB)


Any other thoughts on how to speed stuff up? Where would the bottleneck lie=
; storage for NFS mount?


On 2 December 2013 09:25, Simon Murphy <simon.Murphy@vifx.co.nz> wrote:

> there is a global settting under the vmware section.
>
> Sent from my Android phone using TouchDown (www.nitrodesk.com)
>
> -----Original Message-----
> From: Sean Hamilton [sean@seanhamilton.co.uk]
> Received: Monday, 02 Dec 2013, 10:10pm
> To: users@cloudstack.apache.org [users@cloudstack.apache.org]
> Subject: Re: Improving SSVM performance
>
> Hey Simon,
>
> Is that done as the systemvm template is being uploaded, or can we
> edit it afterwards?
>
> Thanks,
> Sean
>
>
> On 28 November 2013 19:34, Simon Murphy <simon.Murphy@vifx.co.nz> wrote:
>
> > have you tried changing the default network adapter to vmxnet3?
> >
> > Sent from my Android phone using TouchDown (www.nitrodesk.com<
> http://www.nitrodesk.com>)
> >
> > -----Original Message-----
> > From: Sean Hamilton [sean@seanhamilton.co.uk]
> > Received: Friday, 29 Nov 2013, 4:10am
> > To: users@cloudstack.apache.org [users@cloudstack.apache.org]
> > Subject: Improving SSVM performance
> >
> > We run 4.2 with VMware hypervisor.
> > We'd like to improve the SSVM performance, specifically when
> > exporting
> and
> > deploying templates.
> >
> > Does anyone have any guides on doing this at all?
> >
> > Thanks,
> > Sean
> >
>
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