I'm wondering if anyone had any experience with MySQL's online DDL (alter tables) since it was released (version 5.6)?
Since this is a rather sensitive operation on the DB, I'm interested if there are any pitfalls or other things to be aware of. I didn't find many recent reviews of this feature.
http://dev.mysql.com/doc/refman/5.6/en/innodb-online-ddl.html