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Right, the L3 agent does do this already.  Agreed that the limiting
factor is the cumulative effect of the wrappers and executables' start
up overhead.

Carl

On Thu, Mar 13, 2014 at 9:47 AM, Brian Haley <brian.haley at hp.com> wrote:
> Aaron,
>
> I thought the l3-agent already did this if doing a "full sync"?
>
> _sync_routers_task()->_process_routers()->spawn_n(self.process_router, ri)
>
> So each router gets processed in a greenthread.
>
> It seems like the other calls - sudo/rootwrap, /sbin/ip, etc are now the
> limiting factor, at least on network nodes with large numbers of namespaces.
>
> -Brian
>
> On 03/13/2014 10:48 AM, Aaron Rosen wrote:
>> The easiest/quickest thing to do for ice house would probably be to run the
>> initial sync in parallel like the dhcp-agent does for this exact reason. See:
>> https://review.openstack.org/#/c/28914/ which did this for thr dhcp-agent.
>>
>> Best,
>>
>> Aaron
>>
>> On Thu, Mar 13, 2014 at 12:18 PM, Miguel Angel Ajo <majopela at redhat.com
>> <mailto:majopela at redhat.com>> wrote:
>>
>>     Yuri, could you elaborate your idea in detail? , I'm lost at some
>>     points with your unix domain / token authentication.
>>
>>     Where does the token come from?,
>>
>>     Who starts rootwrap the first time?
>>
>>     If you could write a full interaction sequence, on the etherpad, from
>>     rootwrap daemon start ,to a simple call to system happening, I think that'd
>>     help my understanding.
>>
>>
>> Here it is: https://etherpad.openstack.org/p/rootwrap-agent
>> Please take a look.
>>
>> --
>>
>> Kind regards, Yuriy.
>>
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