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[LIU Yulong <yulong@xxxxxxxxxxxxx>]

Public bug reported:

When port installed to the agent, it will be processed in rpc_loop X as
"added". In next X + 1 rpc_loop, it will be processed again as
"updated". This is unnecessary. And it can highly probably increase the
processing time of new "added" ports in this X+1 loop.

We have do something for the first rpc_loop 0 during agent restart, the
ports will not be processed again. But for the running loop, we should
re-examine such double processing mechanism or bug.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1841865

Title:
  [L2] stop processing ports twice in ovs-agent

Status in neutron:
  New

Bug description:
  When port installed to the agent, it will be processed in rpc_loop X
  as "added". In next X + 1 rpc_loop, it will be processed again as
  "updated". This is unnecessary. And it can highly probably increase
  the processing time of new "added" ports in this X+1 loop.

  We have do something for the first rpc_loop 0 during agent restart,
  the ports will not be processed again. But for the running loop, we
  should re-examine such double processing mechanism or bug.

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