PXC config

gistfile1.txt

[mysqld]
datadir                         = /var/lib/mysql

query_cache_size=0
query_cache_type=0

binlog_format                   = ROW

	innodb_buffer_pool_size	     = 128M 
#^^ or however much you can allocate to MySQL on this machien
innodb_flush_method             = O_DIRECT
innodb_file_per_table
innodb_flush_log_at_trx_commit  = 0
innodb_autoinc_lock_mode        = 2

wsrep_cluster_name              = mycluster
wsrep_cluster_address           = gcomm://192.168.0.2,192.168.0.3,192.168.0.4
# ^^ change to the ips or locally resolvable hostnames of all cluster nodes

wsrep_node_address              = <local ip for cluster replication>
# ^^ only set this if you need to use the non-default NIC

wsrep_provider                  = /usr/lib64/libgalera_smm.so
wsrep_provider_options          = "gcs.fc_limit=512;gcache.size=1G"

wsrep_slave_threads             = 4

wsrep_sst_method                = xtrabackup
wsrep_sst_auth                  = sst:secret
# ^^ change secret to some other password