galera-formula/galera/files/my.cnf

# All files in this package is subject to the GPL v2 license
# More information is in the COPYING file in the top directory of this package.
# Copyright (C) 2011 severalnines.com
{%- if pillar.galera.master is defined %}
{%- from "galera/map.jinja" import master with context %}
{%- set service = master %}
{%- endif %}
{%- if pillar.galera.slave is defined %}
{%- from "galera/map.jinja" import slave with context %}
{%- set service = slave %}
{%- endif %}

[mysqld]
datadir=/var/lib/mysql
bind-address={{ service.bind.address }}
port=3306
max_connections={{ service.get('max_connections', 20000) }}
default-storage-engine=innodb
binlog_format=ROW
collation-server=utf8_general_ci
init-connect='SET NAMES utf8'
character-set-server=utf8
default-storage-engine=innodb
log_error=/var/log/mysql/error.log
skip-external-locking
skip-name-resolve

myisam_sort_buffer_size=64M
wait_timeout=1800
open_files_limit=102400
table_open_cache=10000
key_buffer_size=64M
max_allowed_packet=256M
query_cache_size=0
query_cache_type=0

innodb_file_format=Barracuda
innodb_file_per_table=1
innodb_buffer_pool_size=3138M
innodb_log_file_size=627M
innodb_read_io_threads=8
innodb_write_io_threads=8
innodb_io_capacity=500
innodb_flush_log_at_trx_commit=2
innodb_flush_method=O_DIRECT
innodb_doublewrite=0
innodb_autoinc_lock_mode=2
innodb_locks_unsafe_for_binlog=1

wsrep_cluster_address="gcomm://{% for member in service.members %}{{ member.host}}:4567{% if not loop.last %},{% endif %}{% endfor %}/?pc.wait_prim=no"
wsrep_provider={{ service.wsrep_provider }}
wsrep_cluster_name="openstack"

wsrep_slave_threads=8
wsrep_sst_method=xtrabackup-v2
wsrep_sst_auth={{ service.admin.user }}:{{ service.admin.password }}
wsrep_node_address={{ service.bind.address }}
wsrep_provider_options="gcache.size = 256M"
wsrep_provider_options="gmcast.listen_addr = tcp://{{ service.bind.address }}:4567"

[xtrabackup]
parallel=4

[sst]
streamfmt=xbstream
transferfmt=socat
sockopt=,nodelay,sndbuf=1048576,rcvbuf=1048576