Add ability to define extra arguments for erlang

openstack/openstack-ansible-rabbitmq_server

Code Issues Proposed changes

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年09月18日 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

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: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'] }}

RABBITMQ_IO_THREAD_POOL_SIZE={{ rabbitmq_async_threads }}

RABBITMQ_SERVER_ERL_ARGS="+P {{ rabbitmq_process_limit }}"

{% if rabbitmq_erlang_extra_args %}

RABBITMQ_SERVER_ADDITIONAL_ERL_ARGS="{{ rabbitmq_erlang_extra_args }}"

{% endif %}