[Openstack] launching multiple VMs takes very long time
Steve Heistand
steve.heistand at nasa.gov
Tue Apr 30 18:42:56 UTC 2013
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
--
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Steve Heistand NASA Ames Research Center
SciCon Group Mail Stop 258-6
steve.heistand at nasa.gov (650) 604-4369 Moffett Field, CA 94035-1000
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"Any opinions expressed are those of our alien overlords, not my own."
# For Remedy #
#Action: Resolve #
#Resolution: Resolved #
#Reason: No Further Action Required #
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#Tier3: Assistance #
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