openstack/openstack-ansible-os_ironic
Code Issues Proposed changes

Cap the number of worker processes

Browse Source 
Users can configure the number of worker processes. However when
it's not specified the calculated number of workers can get too
large on hosts with a large number of CPUs.

Change-Id: Ieb1afbd5c872cc4a991b51287b57404b8932fafa
This commit is contained in:
Ravi Gummadi 2017-03-02 12:05:41 -05:00
parent b1f787b541
commit 6772dd503d
2 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
defaults/main.yml
View File

@ -223,8 +223,8 @@ ironic_service_user_name: "ironic"
# Apache settings
ironic_wsgi_threads: 1
_ironic_wsgi_processes: "{{ ansible_processor_vcpus | default(1) // 4 }}"
ironic_wsgi_processes: "{{ (_ironic_wsgi_processes | int > 1) | ternary(_ironic_wsgi_processes, 1) }}"
ironic_wsgi_processes_max: 16
ironic_wsgi_processes: "{{ [[ansible_processor_vcpus|default(4) // 4, 1] | max, ironic_wsgi_processes_max] | min }}"
### OpenStack Services to integrate with

6
releasenotes/notes/capping_ironic_wsgi_processes-6fa7306fc3c29de7.yaml Normal file
View File

@ -0,0 +1,6 @@
---
features:
- Capping the default value for the variable ``ironic_wsgi_processes``
to 16 when the user doesn't configure this variable. Default value
is one fourth the number of vCPUs available on the machine with a
capping value of 16.