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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

** Also affects: nova/ocata
   Importance: Undecided
       Status: New

** Also affects: nova/queens
   Importance: Undecided
       Status: New

** Also affects: nova/rocky
   Importance: Undecided
       Status: New

** Also affects: nova/train
   Importance: Undecided
       Status: New

** Also affects: nova/pike
   Importance: Undecided
       Status: New

** Also affects: nova/stein
   Importance: Undecided
       Status: New

** Changed in: nova/ocata
   Importance: Undecided => Low

** Changed in: nova/queens
   Importance: Undecided => Low

** Changed in: nova/pike
   Importance: Undecided => Low

** Changed in: nova/train
   Importance: Undecided => Low

** Changed in: nova/stein
   Importance: Undecided => Low

** Changed in: nova/rocky
   Importance: Undecided => Low

** Changed in: nova/ocata
       Status: New => Confirmed

** Changed in: nova/pike
       Status: New => Confirmed

** Changed in: nova/rocky
       Status: New => Confirmed

** Changed in: nova/train
       Status: New => Confirmed

** Changed in: nova/stein
       Status: New => Confirmed

** Changed in: nova/queens
       Status: New => Confirmed

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1825018

Title:
  security group driver gets loaded way too much in the api

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) ocata series:
  Confirmed
Status in OpenStack Compute (nova) pike series:
  Confirmed
Status in OpenStack Compute (nova) queens series:
  Confirmed
Status in OpenStack Compute (nova) rocky series:
  Confirmed
Status in OpenStack Compute (nova) stein series:
  Confirmed
Status in OpenStack Compute (nova) train series:
  Confirmed

Bug description:
  There was a fix in Mitaka https://review.openstack.org/#/c/256073/ to
  cache the security group driver once it was loaded per process. That
  cache was removed in Newton https://review.openstack.org/#/c/325684/.
  I put up a test patch to see how many times the security group driver
  gets loaded https://review.openstack.org/#/c/652783/ and in the
  neutron-grenade-multinode job the nova-api logs show it getting loaded
  over 1000 times (browser count hit tops out at 1000). So the fix from
  mitaka was definitely regressed in newton and we should add the driver
  cache code again.

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