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Diffstat (limited to 'compass/deploy/ansible/roles/database/templates/wsrep.cnf')
| -rw-r--r-- | compass/deploy/ansible/roles/database/templates/wsrep.cnf | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/compass/deploy/ansible/roles/database/templates/wsrep.cnf b/compass/deploy/ansible/roles/database/templates/wsrep.cnf new file mode 100644 index 000000000..b9e942451 --- /dev/null +++ b/compass/deploy/ansible/roles/database/templates/wsrep.cnf @@ -0,0 +1,126 @@ +# This file contains wsrep-related mysqld options. It should be included +# in the main MySQL configuration file. +# +# Options that need to be customized: +# - wsrep_provider +# - wsrep_cluster_address +# - wsrep_sst_auth +# The rest of defaults should work out of the box. + +## +## mysqld options _MANDATORY_ for correct opration of the cluster +## +[mysqld] + +# (This must be substituted by wsrep_format) +binlog_format=ROW + +# Currently only InnoDB storage engine is supported +default-storage-engine=innodb + +# to avoid issues with 'bulk mode inserts' using autoinc +innodb_autoinc_lock_mode=2 + +# This is a must for paralell applying +innodb_locks_unsafe_for_binlog=1 + +# Query Cache is not supported with wsrep +query_cache_size=0 +query_cache_type=0 + +# Override bind-address +# In some systems bind-address defaults to 127.0.0.1, and with mysqldump SST +# it will have (most likely) disastrous consequences on donor node +#bind-address={{ hostvars[inventory_hostname]['ansible_' + INTERNAL_INTERFACE].ipv4.address }} +bind-address={{ HA_VIP }} + +## +## WSREP options +## + +# Full path to wsrep provider library or 'none' +wsrep_provider=/usr/lib/galera/libgalera_smm.so + +# Provider specific configuration options +#wsrep_provider_options= + +# Logical cluster name. Should be the same for all nodes. +wsrep_cluster_name="my_wsrep_cluster" + +# Group communication system handle +wsrep_cluster_address=gcomm://{{ HA_CLUSTER[inventory_hostname] }} + +# Human-readable node name (non-unique). Hostname by default. +#wsrep_node_name= + +# Base replication <address|hostname>[:port] of the node. +# The values supplied will be used as defaults for state transfer receiving, +# listening ports and so on. Default: address of the first network interface. +wsrep_node_address={{ hostvars[inventory_hostname]['ansible_' + INTERNAL_INTERFACE].ipv4.address }} + +# Address for incoming client connections. Autodetect by default. +#wsrep_node_incoming_address= + +# How many threads will process writesets from other nodes +wsrep_slave_threads=1 + +# DBUG options for wsrep provider +#wsrep_dbug_option + +# Generate fake primary keys for non-PK tables (required for multi-master +# and parallel applying operation) +wsrep_certify_nonPK=1 + +# Maximum number of rows in write set +wsrep_max_ws_rows=131072 + +# Maximum size of write set +wsrep_max_ws_size=1073741824 + +# to enable debug level logging, set this to 1 +wsrep_debug=1 + +# convert locking sessions into transactions +wsrep_convert_LOCK_to_trx=0 + +# how many times to retry deadlocked autocommits +wsrep_retry_autocommit=1 + +# change auto_increment_increment and auto_increment_offset automatically +wsrep_auto_increment_control=1 + +# retry autoinc insert, which failed for duplicate key error +wsrep_drupal_282555_workaround=0 + +# enable "strictly synchronous" semantics for read operations +wsrep_causal_reads=0 + +# Command to call when node status or cluster membership changes. +# Will be passed all or some of the following options: +# --status - new status of this node +# --uuid - UUID of the cluster +# --primary - whether the component is primary or not ("yes"/"no") +# --members - comma-separated list of members +# --index - index of this node in the list +wsrep_notify_cmd= + +## +## WSREP State Transfer options +## + +# State Snapshot Transfer method +wsrep_sst_method=rsync + +# Address on THIS node to receive SST at. DON'T SET IT TO DONOR ADDRESS!!! +# (SST method dependent. Defaults to the first IP of the first interface) +#wsrep_sst_receive_address= + +# SST authentication string. This will be used to send SST to joining nodes. +# Depends on SST method. For mysqldump method it is root:<root password> +wsrep_sst_auth={{ WSREP_SST_USER }}:{{ WSREP_SST_PASS }} + +# Desired SST donor name. +#wsrep_sst_donor= + +# Protocol version to use +# wsrep_protocol_version= |