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[Kailun Qin <1780370@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The DHCP agent will resync its state with Neutron to recover from any
transient notification or RPC errors. Currently, the periodic resync
task waits on a timer to determine whether a re-sync is necessary. The
interval between attempts by default is 5 seconds. This may cause a
potentially long delay before an agent gets new work via an
agent_updated RPC call.

The idea of this RFE is to change the timer based periodic resync task
into a event driven one. We could force the agent to act on the resync
request immediately therefore decreasing how much time is needed before
DHCP services are available.

** Affects: neutron
     Importance: Undecided
     Assignee: Kailun Qin (kailun.qin)
         Status: New


** Tags: rfe

** Changed in: neutron
     Assignee: (unassigned) => Kailun Qin (kailun.qin)

** Tags added: rfe

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https://bugs.launchpad.net/bugs/1780370

Title:
  [RFE] Replace the timer based periodic resync task of DHCP agents with
  an event driven one

Status in neutron:
  New

Bug description:
  The DHCP agent will resync its state with Neutron to recover from any
  transient notification or RPC errors. Currently, the periodic resync
  task waits on a timer to determine whether a re-sync is necessary. The
  interval between attempts by default is 5 seconds. This may cause a
  potentially long delay before an agent gets new work via an
  agent_updated RPC call.

  The idea of this RFE is to change the timer based periodic resync task
  into a event driven one. We could force the agent to act on the resync
  request immediately therefore decreasing how much time is needed
  before DHCP services are available.

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