---
# file: roles/mariadb/defaults/main.yml
#
# Based on my running of mysqltuner.pl on a host with three WordPress databases
#

# default is 128MB but is a waste because it seems only the mysql table uses it
key_buffer_size: 8M

# default is 128MB but is a waste because it seems only information_schema uses
# AriaDB, see: https://mariadb.com/kb/en/mariadb/aria-system-variables
aria_pagecache_buffer_size: 8M

# default is 128M, but set to at least the size of your InnoDB data
innodb_buffer_pool_size: 256M

# Ansible 2.7.x with PyMySQL seems to default to TCP connection so we should
# force it to use a Unix socket.
# See: https://github.com/ansible/ansible/issues/47736
mariadb_login_unix_socket: /run/mysqld/mysqld.sock

# default is 100 but the max I've seen used is 5, so let's reduce it
max_connections: 33

# disable the query cache by default
query_cache_size: 0
query_cache_type: 0

# mysqltuner says we should use larger than 32M on our setup
tmp_table_size: 64M
max_heap_table_size: 64M

# vim: set ts=2 sw=2: