Bug 2168551

Summary:	Ansible inventory from neutron inefficiency in large scale deployments
Product:	Red Hat OpenStack	Reporter:	Harald Jensås <hjensas>
Component:	openstack-tripleo-common	Assignee:	Harald Jensås <hjensas>
Status:	CLOSED ERRATA	QA Contact:	David Rosenfeld <drosenfe>
Severity:	medium	Docs Contact:
Priority:	high
Version:	17.1 (Wallaby)	CC:	dhughes, jlabarre, mburns, sbaker, slinaber
Target Milestone:	ga	Keywords:	Triaged
Target Release:	17.1
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	openstack-tripleo-common-15.4.1-1.20230518211050.cbb03c0.el9ost	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-08-16 01:13:48 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Harald Jensås 2023-02-09 11:30:40 UTC

Description of problem:

The code currently calls the network service for network and subnet information once for every port. This generates a very high number of calls that retrieves identical data.

This change[1] improves the situation substantially:

Results in 250 node test environment for comparison
----------------------------------------------------------------------
OLD: Generate ansible inventory | localhost | 0:09:35.990553 | 124.56s
NEW: Generate ansible inventory | localhost | 0:07:27.473631 |   2.57s
----------------------------------------------------------------------


https://review.opendev.org/c/openstack/tripleo-common/+/873158

Comment 9 James E. LaBarre 2023-07-18 16:34:06 UTC

Verified change in place on compose RHOS-17.1-RHEL-9-20230712.n.1 (downstream only, upstream tripleo master not maintained)

Comment 15 errata-xmlrpc 2023-08-16 01:13:48 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Release of components for Red Hat OpenStack Platform 17.1 (Wallaby)), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2023:4577