openstack-ansible-galera_se.../templates/mysql_defaults.j2

17 lines
775 B
Django/Jinja

# {{ ansible_managed }}
{%- set all_calculated_max_connections = [] %}
{%- for galera_node in galera_cluster_members %}
{%- set vcpus = hostvars[galera_node]['ansible_processor_vcpus'] %}
{%- set _ = all_calculated_max_connections.append([[vcpus|default(2), 2] | max, galera_wsrep_slave_threads_max] | min * 100) %}
{%- endfor %}
{%- set calculated_min_connections = all_calculated_max_connections | min %}
{%- set calculated_max_connections = galera_max_connections | default(calculated_min_connections) %}
# How long to wait for successful mysql startup
# Startup can take a while if it requires a galera state transfer.
MYSQLD_STARTUP_TIMEOUT={{ galera_startup_timeout }}
ulimit -n {{ calculated_max_connections }}
ulimit -Hn {{ calculated_max_connections }}