How to limit the number of simultaneous / concurrent builds of overcloud nodes in OSP Director

Solution Verified - Updated

Environment

  • Red Hat OpenStack Platform 7.0
  • Red Hat OpenStack Platform 8.0

Issue

  • For performance reasons, how can one limit or increase the number of simultaneous / concurrent builds of overcloud nodes in OSP Director?

Resolution

  • Modify the value of max_concurrent_builds in nova.conf on the Undercloud
max_concurrent_builds = 10
  • Restart all nova services
[root@undercloud-1 nova]# systemctl list-units | grep nova | awk '{print $1}'  | xargs -I {} systemctl restart {}
[root@undercloud-1 nova]#
SBR
Product(s)
Components
Category
Tags

This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.