sunetdrive/templates/multinode/my.cnf.erb

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2023-02-13 09:44:56 +00:00
[mysqld]
# General
default_storage_engine = InnoDB
binlog_format = ROW
character_set_server = utf8mb4
collation_server = utf8mb4_general_ci
skip_name_resolve = ON
skip_external_locking = ON
local_infile = 0
max_allowed_packet = 128M
max_connections = 750
# Binary logging and replication
log_bin = binlog
log_slave_updates = ON
server_id = 1000 # same on all Galera nodes in the same segment
expire_logs_days = 7
gtid_domain_id = 1000
gtid_strict_mode = ON
gtid_ignore_duplicates = ON
# Innodb
innodb_buffer_pool_size = 4G # 60-75% of total RAM
innodb_flush_log_at_trx_commit = 0
innodb_log_file_size = 512M
innodb_flush_method = O_DIRECT
innodb_file_per_table = 1
innodb_autoinc_lock_mode = 2
innodb_rollback_on_timeout = 1
transaction_isolation = 'READ-COMMITTED'
innodb_io_capacity = 2000 # IOPS dependent
innodb_io_capacity_max = 4000 # IOPS dependent
innodb_read_io_threads = 4 # CPU dependent
innodb_write_io_threads = 4 # CPU dependent