Merge "Cap the number of worker threads"

This commit is contained in:
Jenkins 2017-02-09 17:54:22 +00:00 committed by Gerrit Code Review
commit 8aec7d5675
3 changed files with 11 additions and 1 deletions

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@ -447,6 +447,10 @@ neutron_quota_vip: 10
# If ``neutron_metadata_workers`` is unset the system will use half the number of available VCPUs to
# compute the number of api workers to use.
# neutron_metadata_workers: 16
## Cap the maximun number of threads / workers when a user value is unspecified.
neutron_api_threads_max: 16
neutron_metadata_backlog: 4096
## Auth

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@ -0,0 +1,6 @@
---
features:
- The number of worker threads for neutron will now be capped at 16 unless
a specific value is specified. Previously, the calculated number of workers
could get too high on systems with a large number of processors. This was
particularly evident on POWER systems.

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@ -1,6 +1,6 @@
# {{ ansible_managed }}
{% set _api_threads = ansible_processor_vcpus|default(2) // 2 %}
{% set _api_threads = [ansible_processor_vcpus|default(2) // 2, neutron_api_threads_max] | min %}
{% set api_threads = _api_threads if _api_threads > 0 else 1 %}
# General, applies to all host groups