Up until very recently Twitter was still using stock MySQL 5.0.45 (which I believe is from 2007) nearly everywhere in production. The notion that MySQL require

Up until very recently Twitter was still using stock MySQL 5.0.45 (which I believe is from 2007) nearly everywhere in production. The notion that MySQL requires a highly patched version with a world class development team to maintain is a myth. Facebooks patches are made public and are often incorporated into MariaDB and/or Percona forks. Oracle usually goes their own way on implementing changes from the community. Source: http://tinyurl.com/7adp6fl http://tinyurl.com/7adp6fl (PDF)