On 06/10/2016 03:13 PM, Kevin Benton wrote:
Polling should be fine. get_port operations a relatively cheap operation for Neutron.
Just in principle, I would suggest this polling have a back-off built into it. Poll once, see the port is not yet "up" - wait a semi-random short length of time, poll again, see it is not yet "up" wait a longer semi-random length of time, lather, rinse, repeat until you've either gotten to the limits of your patience or the port has become "up."
Fixed, short poll intervals can run the risk of congestive collapse "at scale."
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