yahoo-eng-team team mailing list archive

[norman shen <1996966@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Description
===========

I found that get_machine_ips could took too long before returning IP addresses. There are
around 160 instances with about 200 nics which results in around 1000 network adapters on the host.
calling netifaces.ifaddresses approximately took around 0.2 ~ 0.5 seconds.

Steps to reproduce
==================

1. use an arm64 host or host load is high
2. booting 200 instances with neutron hybird SG driver enabled
3. reboot nova-compute

Expected result
===============

get_machine_ips should take no more than 2 seconds to return

Actual result
=============

Took around 500 seconds

Environment
===========
1. phyitum arm64 as compute node

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1996966

Title:
  get_machine_ips took too long to complete

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========

  I found that get_machine_ips could took too long before returning IP addresses. There are
  around 160 instances with about 200 nics which results in around 1000 network adapters on the host.
  calling netifaces.ifaddresses approximately took around 0.2 ~ 0.5 seconds.

  Steps to reproduce
  ==================

  1. use an arm64 host or host load is high
  2. booting 200 instances with neutron hybird SG driver enabled
  3. reboot nova-compute

  Expected result
  ===============

  get_machine_ips should take no more than 2 seconds to return

  Actual result
  =============

  Took around 500 seconds

  Environment
  ===========
  1. phyitum arm64 as compute node

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