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[Bug 1387244] Re: Increasing number of InstancePCIRequests.get_by_instance_uuid RPC calls during compute host auditing

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Chuck Short <chuck.short@xxxxxxxxxxxxx>
Date: Wed, 05 Oct 2016 19:43:28 -0000
Reply-to: Bug 1387244 <1387244@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: nova (Ubuntu)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1387244

Title:
  Increasing number of InstancePCIRequests.get_by_instance_uuid RPC
  calls during compute host auditing

Status in OpenStack Compute (nova):
  Fix Released
Status in nova package in Ubuntu:
  Fix Released

Bug description:
  Environment: Ubuntu 14.04/OpenStack Juno Release

  The periodic auditing on compute node becomes very RPC call intensive
  when a large number of instances are running on a cloud; the
  InstancePCIRequests.get_by_instance_uuid call is made on all instances
  running on the hypervisor - when this is multiplied across a large
  number of hypervisors, this impacts back onto the conductor processes
  as they try to service an increasing amount of RPC calls over time.

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