Public bug reported:
Problem like that was mentioned in Vancouvers's "Challenges & lessons from
operating OpenStack at Scale" forum session
(https://etherpad.opendev.org/p/challenges-largescale)
In some cases, neutron metadata agent may put a lot of load on the RPC bus and
neutron server as every time VM is asking for some of the metadata, this agent
needs to find out what the id of the instance is. Because of that it sends RPC
message to get port details every time.
It could be potentially avoided by some simple caching of the instance id in
the agent's side.
** Affects: neutron
Importance: Wishlist
Status: New
** Tags: loadimpact rfe
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https://bugs.launchpad.net/bugs/2024581
Title:
[RFE] Caching instance id in the metadata agent to have less RPC
messages sent to server
Status in neutron:
New
Bug description:
Problem like that was mentioned in Vancouvers's "Challenges & lessons from
operating OpenStack at Scale" forum session
(https://etherpad.opendev.org/p/challenges-largescale)
In some cases, neutron metadata agent may put a lot of load on the RPC bus
and neutron server as every time VM is asking for some of the metadata, this
agent needs to find out what the id of the instance is. Because of that it
sends RPC message to get port details every time.
It could be potentially avoided by some simple caching of the instance id in
the agent's side.
To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/2024581/+subscriptions
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