Public bug reported:
Agent scheduling operations for DHCP servers and routers can be
initiated from many sources such as API, RPC workers etc. Neutron-server
may use multiple child processes to handle the requests simultaneously.
It brings about the possibility that a race condition between the
scheduling under decision and the scheduling already in process might
occur, when agent scheduling operations happen concurrently. This may
lead to resources being scheduled multiple times if two operations occur
at the exact same time.
** Affects: neutron
Importance: Undecided
Assignee: Kailun Qin (kailun.qin)
Status: New
** Changed in: neutron
Assignee: (unassigned) => Kailun Qin (kailun.qin)
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https://bugs.launchpad.net/bugs/1780357
Title:
A race condition may occur when concurrent agent scheduling happens
Status in neutron:
New
Bug description:
Agent scheduling operations for DHCP servers and routers can be
initiated from many sources such as API, RPC workers etc. Neutron-
server may use multiple child processes to handle the requests
simultaneously.
It brings about the possibility that a race condition between the
scheduling under decision and the scheduling already in process might
occur, when agent scheduling operations happen concurrently. This may
lead to resources being scheduled multiple times if two operations
occur at the exact same time.
To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1780357/+subscriptions
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