117 lines
3.1 KiB
INI
117 lines
3.1 KiB
INI
# Juju managed file - don't change as charm will overwrite your changed!
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[mysqld]
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# Never resolve IP's to hostnames; it adds overhead
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# and is not really reliable for use with ACL's.
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skip-name-resolve
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{% if bind_address %}
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bind-address = {{ bind_address }}
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{% endif %}
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{% if wsrep_provider_options %}
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wsrep_provider_options = {{ wsrep_provider_options }}
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{% endif %}
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datadir=/var/lib/mysql
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user=mysql
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pid_file = /var/run/mysqld/mysqld.pid
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# Path to Galera library
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wsrep_provider=/usr/lib/libgalera_smm.so
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# Add address of other cluster nodes here
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# Cluster connection URL contains the IPs of node#1, node#2 and node#3
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# Empty when bootstrapping the cluster
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wsrep_cluster_address=gcomm://{{ cluster_hosts }}
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# In order for Galera to work correctly binlog format should be ROW
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binlog_format=ROW
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{% if enable_binlogs -%}
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log_bin={{ binlogs_path }}
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expire_logs_days={{ binlogs_expire_days }}
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max_binlog_size={{ binlogs_max_size }}
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{% endif %}
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# MyISAM storage engine has only experimental support
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default_storage_engine=InnoDB
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# This is a recommended tuning variable for performance
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innodb_locks_unsafe_for_binlog=1
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# This changes how InnoDB autoincrement locks are managed and is a requirement for Galera
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innodb_autoinc_lock_mode=2
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{% if innodb_file_per_table -%}
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# This enables storing InnoDB tables in separate .ibd files. Note that, however
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# existing InnoDB tables will remain in ibdata file(s) unles OPTIMIZE is run
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# on them. Still, the ibdata1 file will NOT shrink - a full dump/import of the
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# data is needed in order to get rid of large ibdata file.
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innodb_file_per_table = 1
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{% else -%}
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innodb_file_per_table = 0
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{% endif %}
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# This option is driven by via the tuning-level configuration option
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# safest = 1 (default)
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# fast = 2
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# unsafe = 0
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innodb_flush_log_at_trx_commit = {{ innodb_flush_log_at_trx_commit }}
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{% if innodb_change_buffering -%}
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innodb_change_buffering = {{ innodb_change_buffering }}
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{% endif %}
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{% if innodb_io_capacity -%}
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innodb_io_capacity = {{ innodb_io_capacity }}
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{% endif %}
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# Node #1 address
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wsrep_node_address={{ private_address }}
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# SST method
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wsrep_sst_method={{ sst_method }}
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# Cluster name
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wsrep_cluster_name={{ cluster_name }}
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# Authentication for SST method
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wsrep_sst_auth="sstuser:{{ sst_password }}"
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{% if max_connections != -1 %}
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max_connections = {{ max_connections }}
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{% endif %}
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# Align 5.5. behaviour with later 5.6 releases
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max_connect_errors = 100
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# Seconds before clearing idle connections
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{% if wait_timeout != -1 %}
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wait_timeout = {{ wait_timeout }}
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{% endif %}
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# Fine tuning
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key_buffer_size = {{ key_buffer }}
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table_open_cache = {{ table_open_cache }}
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max_allowed_packet = 16M
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# InnoDB buffer should consume 100% of the bytes of the dataset size
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# query cache is not supported with Active/Active configuration
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innodb_buffer_pool_size = {{ innodb_buffer_pool_size }}
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{% if ipv6 -%}
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[sst]
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sockopt=,pf=ip6
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{% endif %}
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{% if lp1366997_workaround -%}
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# Adding workaround for bug:
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# https://bugs.launchpad.net/charms/+source/percona-cluster/+bug/1366997
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# Note that this should only be required for percona 5.5
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wsrep_drupal_282555_workaround = ON
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wsrep_retry_autocommit = 100
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{% endif %}
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!includedir /etc/mysql/conf.d/
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