** Changed in: neutron
Status: Fix Committed => Fix Released
** Changed in: neutron
Milestone: None => icehouse-3
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https://bugs.launchpad.net/bugs/1274536
Title:
Neutron metadata agent can't handle high loads
Status in OpenStack Neutron (virtual network service):
Fix Released
Bug description:
We've noticed that under high loads - 100's of VMs booting
simultaneously from multiple tenants, that the metadata agent simply
can't keep up, and the VMs fail to get their metadata.
Debug showed that the listen backlog was being overflowed, but
changing that manually only made things a little better. It wasn't
until multiple threads were started that the problem went away.
Opening this bug to get these upstream since they help with the
scalability of Neutron.
1) Change the metadata-agent to support having multiple worker threads
2) Change it to support a configurable listen backlog
I'll assign this to myself and get the changes out for review.
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