Open Stack

hi,
    just to make sure did you disable the debugging and verbose in nova, 
keystone and horizon ? I  had this enabled and it was very slow...

Hope this help.


Steph.


On 13-08-15 10:45 AM, Jonathan Proulx wrote:
> Hi All,
>
> I have a single controller node 60 compute node cloud on Ubuntu 12.04 
> / cloud archive and after upgrade to grizzly  everything seem 
> painfully slow.
>
> I've had 'nova list' take on the order of one minute to return 
> (there's 65 non-deleted instances and a total of just under 500k 
> instances in the instances table but that was true before upgrade as well)
>
> The controller node is 4x busier with this tiny load of a single user 
> and a few VMs as it has averaged in production with 1,500 VMs dozens 
> of users and VMs starting every 6sec on average.
>
> This has me a little worried but the system is so over spec'ed that I 
> can't see it as my current problem as the previous average was 5% CPU 
> utilization so now I'm only at 20%.  All the databases fit comfortably 
> in memory with plenty of room for caching so my disk I/0 is virtually 
> nothing.
>
> Not quite sure where to start.  I'd like to blame conductor for 
> serializing database access, but I really hope any service could 
> handle at least one rack of servers before you needed to scale 
> out...but besides the poor user experience of sluggish response I'm 
> also getting timeouts if I try and start some number of 10's of 
> servers, the usual work flow around here often involves 100's.
>
> Anyone had similar problems and/or have suggestions of where else to 
> look for bottle necks.
>
> -Jon
>
>
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> OpenStack-operators at lists.openstack.org
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-- 
*Stéphane Boisvert*
GNS-Shop Technical Coordinator
5800 St-Denis suite 1001
Montreal (QC), H2S 3L5
*MSN:*stephane.boisvert at gameloft.com
*E-mail:*stephane.boisvert at gameloft.com

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