Merge "Cap the number of worker threads"
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8aec7d5675
@ -447,6 +447,10 @@ neutron_quota_vip: 10
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# If ``neutron_metadata_workers`` is unset the system will use half the number of available VCPUs to
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# compute the number of api workers to use.
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# neutron_metadata_workers: 16
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## Cap the maximun number of threads / workers when a user value is unspecified.
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neutron_api_threads_max: 16
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neutron_metadata_backlog: 4096
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## Auth
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6
releasenotes/notes/cap-workers-fc70b4f8586ba1a5.yaml
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6
releasenotes/notes/cap-workers-fc70b4f8586ba1a5.yaml
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@ -0,0 +1,6 @@
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---
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features:
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- The number of worker threads for neutron will now be capped at 16 unless
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a specific value is specified. Previously, the calculated number of workers
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could get too high on systems with a large number of processors. This was
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particularly evident on POWER systems.
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@ -1,6 +1,6 @@
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# {{ ansible_managed }}
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{% set _api_threads = ansible_processor_vcpus|default(2) // 2 %}
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{% set _api_threads = [ansible_processor_vcpus|default(2) // 2, neutron_api_threads_max] | min %}
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{% set api_threads = _api_threads if _api_threads > 0 else 1 %}
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# General, applies to all host groups
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