openstack-ansible-os_nova/releasenotes/notes/capping_nova_workers-349f0f4d3fd50b37.yaml
Ravi Gummadi f83296e073 Cap the number of worker threads
Users can configure the number of worker threads 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: I6c950cc31b66479dc980ecd5eb580d403dd27ae6
2017-02-23 05:46:15 -05:00

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YAML

---
features:
- Capping the default value for the variables ``nova_wsgi_processes``,
``nova_osapi_compute_workers``, ``nova_metadata_workers`` and
``nova_conductor_workers`` to 16 when the user doesn't configure these
variables. Default value is half the number of vCPUs available on the
machine with a capping value of 16.