Meant that question for Indra.  Sorry.

> From: dpor...@outlook.com
> To: users@cloudstack.apache.org
> Subject: RE: CloudStack performance issue
> Date: Mon, 22 Jul 2013 11:34:10 -0400
> 
> Prasanna,
>      What kind of network do you use for your setup?  Creating a new VM 
> requires copying the template or ISO over from secondary storage to primary, 
> so that could be a bottleneck when trying to create multiple VMs at once.
> -Dave
> 
> > Date: Sat, 20 Jul 2013 16:20:08 +0530
> > From: t...@apache.org
> > To: users@cloudstack.apache.org
> > Subject: Re: CloudStack performance issue
> > 
> > On Sat, Jul 20, 2013 at 03:18:12PM +0800, Indra Pramana wrote:
> > > 
> > > Where can I start troubleshooting, which logs I need to go through to find
> > > out the bottleneck? The management-server.log file doesn't show much
> > > anything about the delay. It seems that there is some "locking" mechanism
> > > and certain processes will need other processes to complete before they 
> > > can
> > > start. This is worrying since in a production environment, many customers
> > > might want to try creating VMs at the same time simultaneously.
> > > 
> > 
> > The logs of use would be managment-server.log which defaults to DEBUG
> > mode. The logs on the agent (inside KVM host) are default in INFO
> > mode. You can turn them up to DEBUG by altering the log4j config.
> > Apart from that you can also look at libvirt logs. Folks have been
> > tuning the deployment of the VMs on KVM host in another thread on dev@
> > and in the bug https://issues.apache.org/jira/browse/CLOUDSTACK-3163
> > 
> > let us know if the symptoms are the same and you can bring this up on
> > dev@ with more details.
> > 
> > > Any thoughts or feedback on this matter is appreciated.
> > > 
> > > Looking forward to your reply, thank you.
> > > 
> > > Cheers.
> > 
> > -- 
> > Prasanna.,
> > 
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