MySQL issues and solutions
From DevOps Notebook
ERROR 1799 (HY000): Creating index 'PRIMARY' required more than 'innodb_online_alter_log_max_size' bytes of modification log. Please try again.
mysql> show variables like 'innodb_online%'; +----------------------------------+------------+ | Variable_name | Value | +----------------------------------+------------+ | innodb_online_alter_log_max_size | 134217728 | +----------------------------------+------------+ 1 row in set (0.00 sec)