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As we said on the Thursday meeting, I've filled a bug with the details

https://bugs.launchpad.net/neutron/+bug/1292598

Feel free to add / ask for any missing details.

Best,
Miguel Ángel.

On 03/13/2014 10:52 PM, Carl Baldwin wrote:
> 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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>>
>>
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