I cleared out the /var/log/mysql/mysql.err tonight after processing it and finding only the server restarts and Unsafe statement lines. We had 11GB of unsafe statement lines. We should set buildbot to MIXED mode to prevent mysql error log inflation.
Done live and in puppet: MacBook-Air:nodes scabral$ svn commit -m "making buildbot MIXED replication mode" Sending databases.pp Transmitting file data . Committed revision 97599.