Database connection pooling improvements

Code Issues Proposed changes

- Implemented new variable ``connection_recycle_time`` responsible for SQLAlchemy's connection recycling
- Set new default values for db pooling variables which are inherited from the global ones.
Depends-On: https://review.opendev.org/c/openstack/openstack-ansible/+/819424
Change-Id: Ie9591c96d1e5c8f4dcf04524c04056934ceb00db

This commit is contained in:

Damian Dabrowski

2021年12月02日 19:21:41 +01:00

parent d1e1b65144

commit ebc07a44e7

2 changed files with 8 additions and 1 deletions

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4
defaults/main.yml

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@@ -98,6 +98,10 @@ trove_galera_use_ssl: "{{ galera_use_ssl | default(False) }}"

trove_galera_ssl_ca_cert:"{{ galera_ssl_ca_cert | default('') }}"

trove_galera_port:"{{ galera_port | default('3306') }}"

trove_galera_connection_string:"mysql+pymysql://{{ trove_galera_user}}:{{ trove_galera_password }}@{{ trove_galera_address }}:{{ trove_galera_port }}/{{ trove_galera_database_name }}?charset=utf8{% if trove_galera_use_ssl | bool %}&ssl_verify_cert=true{% if trove_galera_ssl_ca_cert | length > 0 %}&ssl_ca={{ trove_galera_ssl_ca_cert }}{% endif %}{% endif %}"

trove_db_max_overflow:"{{ openstack_db_max_overflow | default('50') }}"

trove_db_max_pool_size:"{{ openstack_db_max_pool_size | default('5') }}"

trove_db_pool_timeout:"{{ openstack_db_pool_timeout | default('30') }}"

trove_db_connection_recycle_time:"{{ openstack_db_connection_recycle_time | default('600') }}"

## Oslo Messaging vars

# RPC

5
templates/trove.conf.j2

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@@ -105,7 +105,10 @@ user_domain_name = {{ trove_service_user_domain_name }}

[database]

connection = "{{ trove_galera_connection_string }}"

idle_timeout = 3600

max_overflow = {{ trove_db_max_overflow }}

max_pool_size = {{ trove_db_max_pool_size }}

pool_timeout = {{ trove_db_pool_timeout }}

connection_recycle_time = {{ trove_db_connection_recycle_time }}

[profiler]

enabled = {{ trove_profiler_enabled }}