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Failover with the MySQL Utilities – Part 1: mysqlrpladmin

 | June 27, 2014 |  Posted In: Insight for DBAs, MySQL

MySQL Utilities are a set of tools provided by Oracle to perform many kinds of administrative tasks. When GTID-replication is enabled, 2 tools can be used for slave promotion: mysqlrpladmin and mysqlfailover. We will review mysqlrpladmin (version 1.4.3) in this post. Summary mysqlrpladmin can perform manual failover/switchover when GTID-replication is enabled. You need to have […]

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Errant transactions: Major hurdle for GTID-based failover in MySQL 5.6

 | May 19, 2014 |  Posted In: High-availability, Insight for DBAs, MySQL

I have previously written about the new replication protocol that comes with GTIDs in MySQL 5.6. Because of this new replication protocol, you can inadvertently create errant transactions that may turn any failover to a nightmare. Let’s see the problems and the potential solutions. In short Errant transactions may cause all kinds of data corruption/replication […]

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