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launching multiple VMs takes very long time

 

if I launch one vm at a time its doesnt very long to start up the instance. maybe a minute.
if I launch 4 instances (of the same snapshot as before) it takes 30 minutes.

they are all launching to different compute nodes, the controllers are all multicore,
I dont see any processes on the compute nodes taking much cpu power, the controller has
a keystone process mostly sucking up 1 core, loads and loads of beam.smp from rabbitmq but
none are really taking any cpu time.

the glance image storage is on the controller node, the snapshots are 2-3G in size.

where should I start looking to find out why things are so slow?

thanks

s
-- 
************************************************************************
 Steve Heistand                           NASA Ames Research Center
 SciCon Group                             Mail Stop 258-6
 steve.heistand@xxxxxxxx  (650) 604-4369  Moffett Field, CA 94035-1000
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 "Any opinions expressed are those of our alien overlords, not my own."

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