openstack/openstack-ansible-rabbitmq_server
Code Issues Proposed changes

Add ability to define extra arguments for erlang

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This implements new variable  rabbitmq_erlang_extra_args that enable
deployers to define extra flags for erlang [1]

[1] https://www.rabbitmq.com/runtime.html#cpu-reduce-idle-usage

Change-Id: Ibb0963962d6c7483d54fac69960910c0b13802a5
This commit is contained in:
Dmitriy Rabotyagov
2023-09-18 15:57:06 +02:00
committed by Jonathan Rosser
parent 447584c0ec
commit b4fbecd93f
3 changed files with 13 additions and 0 deletions
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4
defaults/main.yml
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@@ -226,6 +226,10 @@ rabbitmq_process_limit: 1048576
# Limit memory consumption of the erlang VM # Limit memory consumption of the erlang VM
rabbitmq_memory_high_watermark: 0.2 rabbitmq_memory_high_watermark: 0.2
# Extra arguments passed to Erlang on startup
# rabbitmq_erlang_extra_args: "+sbwt none +sbwtdcpu none +sbwtdio none +stbt nnts"
rabbitmq_erlang_extra_args: ""
# RabbitMQ collect statistics interval # RabbitMQ collect statistics interval
rabbitmq_collect_statistics_interval: 5000 rabbitmq_collect_statistics_interval: 5000

5
releasenotes/notes/erlang_extra_args-bba75332abeabd3e.yaml Normal file
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@@ -0,0 +1,5 @@
---
features:
- |
Added variable ``rabbitmq_erlang_extra_args`` that allows to define
extra arguments for erlang.

4
templates/rabbitmq-env.j2
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@@ -4,3 +4,7 @@
NODENAME=rabbit@{{ ansible_facts['hostname'] }} NODENAME=rabbit@{{ ansible_facts['hostname'] }}
RABBITMQ_IO_THREAD_POOL_SIZE={{ rabbitmq_async_threads }} RABBITMQ_IO_THREAD_POOL_SIZE={{ rabbitmq_async_threads }}
RABBITMQ_SERVER_ERL_ARGS="+P {{ rabbitmq_process_limit }}" RABBITMQ_SERVER_ERL_ARGS="+P {{ rabbitmq_process_limit }}"
{% if rabbitmq_erlang_extra_args %}
RABBITMQ_SERVER_ADDITIONAL_ERL_ARGS="{{ rabbitmq_erlang_extra_args }}"
{% endif %}