my.cnf.in

{% set socket = parameter_dict['socket'] -%}
# ERP5 buildout my.cnf template based on my-huge.cnf shipped with mysql
# The MySQL server
[mysqld]
# ERP5 by default requires InnoDB storage. MySQL by default fallbacks to using
# different engine, like MyISAM. Such behaviour generates problems only, when
# tables requested as InnoDB are silently created with MyISAM engine.
#
# Loud fail is really required in such case.
sql_mode="NO_ENGINE_SUBSTITUTION"

skip_show_database
{% set ip = parameter_dict.get('ip') -%}
{% if ip -%}
bind_address = {{ ip }}
port = {{ parameter_dict['port'] }}
{% else -%}
skip_networking
{% endif -%}
socket = {{ socket }}
datadir = {{ parameter_dict['data-directory'] }}
tmpdir = {{ parameter_dict['tmp-directory'] }}
pid_file = {{ parameter_dict['pid-file'] }}
log_error = {{ parameter_dict['error-log'] }}
slow_query_log
slow_query_log_file = {{ parameter_dict['slow-query-log'] }}
long_query_time = {{ parameter_dict['long-query-time'] }}
max_allowed_packet = 128M
query_cache_size = 32M
innodb_file_per_table = {{ parameter_dict['innodb-file-per-table'] }}

default_time_zone = '+00:00'

plugin_load = ha_mroonga
plugin-dir = {{ parameter_dict['plugin-directory'] }}

max_connections = {{ parameter_dict['max-connection-count'] }}

{% set innodb_buffer_pool_size = parameter_dict['innodb-buffer-pool-size'] -%}
{% if innodb_buffer_pool_size %}innodb_buffer_pool_size = {{ innodb_buffer_pool_size }}{% endif %}
{% set innodb_buffer_pool_instances = parameter_dict['innodb-buffer-pool-instances'] -%}
{% if innodb_buffer_pool_instances %}innodb_buffer_pool_instances = {{ innodb_buffer_pool_instances }}{% endif %}
{% set innodb_log_file_size = parameter_dict['innodb-log-file-size'] -%}
{% if innodb_log_file_size %} innodb_log_file_size = {{ innodb_log_file_size }}{% endif %}
{% set innodb_log_buffer_size = parameter_dict['innodb-log-buffer-size'] -%}
{% if innodb_log_buffer_size %} innodb_log_buffer_size = {{ innodb_log_buffer_size }}{% endif %}

# very important to allow parallel indexing
# Note: this is compatible with binlog-based incremental backups, because ERP5
# doesn't use "insert ... select" (in any number of queries) pattern.
innodb_locks_unsafe_for_binlog = 1

{% set log_bin = parameter_dict['binlog-path'] -%}
{% if log_bin -%}
log_bin = {{ log_bin }}
{% set binlog_expire_days = parameter_dict['binlog-expire-days'] -%}
{% if binlog_expire_days > 0 %}expire_logs_days = {{ binlog_expire_days }}{% endif %}
server_id = {{ parameter_dict['server-id'] }}
# Note: increases writes on replica (it writes to relay log and to database as
# usual, but then also to binlog), but with the advantage of allowing such node
# to switch role later, or to allow another replica to catch up with it if the
# primary is not available anymore. This also increases the disk usage on the
# replica, as the binlogs are stored as usual.
log_slave_updates = 1
# Note: as of at least mariadb 10.3.27, the relay log name is not based on the
# hostname, but still there is a line in mariadb_error.log on every start
# warning about this missing option. So provide it.
relay-log = mariadb-relay-bin
{% endif %}

# Some dangerous settings you may want to uncomment temporarily
# if you only want performance or less disk access.
{% set x = '' if parameter_dict['relaxed-writes'] else '#' -%}
{{x}}innodb_flush_log_at_trx_commit = 0
{{x}}innodb_flush_method = nosync
{{x}}innodb_doublewrite = 0
{{x}}sync_frm = 0

character_set_server = {{ parameter_dict['character-set-server'] }}
collation_server = {{ parameter_dict['collation-server'] }}
skip_character_set_client_handshake

{% if 'ssl-key' in parameter_dict -%}
ssl_cert = {{ parameter_dict['ssl-crt'] }}
ssl_key = {{ parameter_dict['ssl-key'] }}
{%   if 'ssl-ca-crt' in parameter_dict -%}
ssl_ca = {{ parameter_dict['ssl-ca-crt'] }}
{%-  endif %}
{%   if 'ssl-crl' in parameter_dict -%}
ssl_crl = {{ parameter_dict['ssl-crl'] }}
{%-  endif %}
{%   if 'ssl-cipher' in parameter_dict -%}
ssl_cipher = {{ parameter_dict['ssl-cipher'] }}
{%-  endif %}
{%- endif %}

[client]
socket = {{ socket }}
user = root

[mysql]
no_auto_rehash

[mysqlhotcopy]
interactive_timeout

[mysqldump]
max_allowed_packet = 128M