If you need to change settings like max_connections or innodb_buffer_pool_size , follow this workflow:
innodb_buffer_pool_instances or max_binlog_cache_size . Example of a Dynamic Parameter: max_connections or slow_query_log .
Some parameters require a reboot to take effect. The RDS console will indicate if "Reboot required."
By default, every RDS MySQL instance uses a default.mysql-x.x parameter group. This group is . You cannot modify it.