[mysqld]
    port                    = 3306
    sql-mode                = NO_ENGINE_SUBSTITUTION
    innodb_flush_log_at_trx_commit = 1
    sync_binlog             = 1
    innodb_file_per_table   = 1
    innodb_log_buffer_size  = 64M
    innodb_buffer_pool_size = 512M
    table_open_cache        = 8192
    open_files_limit        = 65500
    read_buffer_size        = 1M
    wait_timeout            = 300
    key_buffer_size         = 128M

    max_connections         = 3072
    max_user_connections    = 3072
    thread_cache_size       = 96
    tmp_table_size          = 192M
    max_heap_table_size     = 192M
    sort_buffer_size        = 4M
    read_rnd_buffer_size    = 2M
    read_buffer_size        = 2M
    join_buffer_size        = 32M
    innodb_buffer_pool_size = 32G
    innodb_flush_method     = O_DIRECT
    net_buffer_length       = 256K
    thread_stack            = 256K
    delayed_insert_timeout  = 8
    connect_timeout         = 8
    open_files_limit        = 20480
    innodb_thread_concurrency       = 12


    wait_timeout            = 720
    interactive_timeout     = 720
    innodb_log_buffer_size  = 128M
    innodb_log_file_size    = 256M
    innodb_lock_wait_timeout = 120


    # General replication settings
    gtid_mode = ON
    enforce_gtid_consistency = ON
    master_info_repository = TABLE
    relay_log_info_repository = TABLE
    binlog_checksum = NONE
    log_slave_updates = ON
    log_bin = binlog
    binlog_format = ROW
    binlog_expire_logs_seconds=604800
    transaction_write_set_extraction = XXHASH64
    group_replication_bootstrap_group = OFF
    group_replication_ssl_mode = REQUIRED
    group_replication_recovery_use_ssl = 1
    relay-log=vm7990-relay-bin
    transaction-isolation = "READ-COMMITTED"


    plugin_load_add ="group_replication.so"
    #plugin-load-add ="mysql_clone.so"

    group_replication_start_on_boot = ON

    # Shared replication group configuration
    group_replication_group_name = "c7bdb6a5-746f-4eab-a21d-9d9c08578322"
    group_replication_ip_whitelist = "vm1,vm2,vm3"
    group_replication_group_seeds = "vm1:33061,vm2:33061,vm3:33061"
    group_replication_single_primary_mode = OFF
    group_replication_enforce_update_everywhere_checks = ON

    # Host specific replication configuration
    server_id = 1
    bind-address = "vm1"
    report_host = "vm1"
    group_replication_local_address = "vm1:33061"

    # Default collation UTF8
    #collation-server = utf8_unicode_ci
    #init-connect='SET NAMES utf8'
    #character-set-server = utf8
    character-set-server = latin1
    collation-server = latin1_swedish_ci