129 lines
3.7 KiB
Django/Jinja
129 lines
3.7 KiB
Django/Jinja
# This file contains wsrep-related mysqld options. It should be included
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# in the main MySQL configuration file.
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#
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# Options that need to be customized:
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# - wsrep_provider
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# - wsrep_cluster_address
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# - wsrep_sst_auth
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# The rest of defaults should work out of the box.
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##
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## mysqld options _MANDATORY_ for correct opration of the cluster
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##
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[mysqld]
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# (This must be substituted by wsrep_format)
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binlog_format=ROW
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# Currently only InnoDB storage engine is supported
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default-storage-engine=innodb
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# to avoid issues with 'bulk mode inserts' using autoinc
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innodb_autoinc_lock_mode=2
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# Override bind-address
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# In some systems bind-address defaults to 127.0.0.1, and with mysqldump SST
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# it will have (most likely) disastrous consequences on donor node
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bind-address={{ ansible_host }}
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##
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## WSREP options
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##
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# Enable wsrep
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wsrep_on=1
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# Full path to wsrep provider library or 'none'
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wsrep_provider=/usr/lib64/galera/libgalera_smm.so
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# Provider specific configuration options
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{% if mariadb_cluster_ssl == true %}
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wsrep_provider_options="socket.ssl_key=/etc/ssl/galera/server.key;socket.ssl_cert=/etc/ssl/galera/server.pem;socket.ssl_ca=/etc/ssl/galera/ca-certificate.pem"
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{% else %}
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#wsrep_provider_options=
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{% endif %}
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# Logical cluster name. Should be the same for all nodes.
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wsrep_cluster_name="{{ mariadb_cluster_wsrep_cluster_name }}"
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# Group communication system handle
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wsrep_cluster_address="gcomm://{{ nodelist }}"
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# Human-readable node name (non-unique). Hostname by default.
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#wsrep_node_name=
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# Base replication <address|hostname>[:port] of the node.
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# The values supplied will be used as defaults for state transfer receiving,
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# listening ports and so on. Default: address of the first network interface.
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#wsrep_node_address=
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# Address for incoming client connections. Autodetect by default.
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#wsrep_node_incoming_address=
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# How many threads will process writesets from other nodes
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wsrep_slave_threads=1
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# DBUG options for wsrep provider
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#wsrep_dbug_option
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# Generate fake primary keys for non-PK tables (required for multi-master
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# and parallel applying operation)
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wsrep_certify_nonPK=1
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# Maximum number of rows in write set
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wsrep_max_ws_rows=0
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# Maximum size of write set
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wsrep_max_ws_size=2147483647
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# to enable debug level logging, set this to 1
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wsrep_debug=0
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# convert locking sessions into transactions
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wsrep_convert_LOCK_to_trx=0
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# how many times to retry deadlocked autocommits
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wsrep_retry_autocommit=1
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# change auto_increment_increment and auto_increment_offset automatically
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wsrep_auto_increment_control=1
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# retry autoinc insert, which failed for duplicate key error
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wsrep_drupal_282555_workaround=0
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# enable "strictly synchronous" semantics for read operations
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wsrep_causal_reads=0
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# Command to call when node status or cluster membership changes.
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# Will be passed all or some of the following options:
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# --status - new status of this node
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# --uuid - UUID of the cluster
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# --primary - whether the component is primary or not ("yes"/"no")
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# --members - comma-separated list of members
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# --index - index of this node in the list
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wsrep_notify_cmd=
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##
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## WSREP State Transfer options
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##
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# State Snapshot Transfer method
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wsrep_sst_method=rsync
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# Address which donor should send State Snapshot to.
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# Should be the address of THIS node. DON'T SET IT TO DONOR ADDRESS!!!
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# (SST method dependent. Defaults to the first IP of the first interface)
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#wsrep_sst_receive_address=
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# SST authentication string. This will be used to send SST to joining nodes.
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# Depends on SST method. For mysqldump method it is root:<root password>
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wsrep_sst_auth=root:
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# Desired SST donor name.
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#wsrep_sst_donor=
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# Reject client queries when donating SST (false)
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#wsrep_sst_donor_rejects_queries=0
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# Protocol version to use
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# wsrep_protocol_version=
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