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Re:Amazon RDS for PostgreSQL by oceanplexian on Thursday November 14, 2013 @08:07PM (#6737053)
Percona and pt-online-schema-change is not just "some third-party library".

It's an industry-standard tool and one of the most respected forks of MySQL. It's not a layer of maintenance problems and they sell commercial support.

Their customers include the BBC, Yelp, and Cisco: http://www.percona.com/about-us/customers

Also, for the record, Oracle added online schema changes in 5.6.

Re:Amazon RDS for PostgreSQL by gtaylor on Friday November 15, 2013 @12:17AM (#6737878)
So you actually have to use a fork of MySQL to get online schema changes? I was thinking this was just a drop-in of some sort.