Tag Archives: Replication

WAIT_FOR_EXECUTED_GTID_SET for MySQL Replication

With the introduction of Global Transaction Identifiers(GTID) in MySQL from mysql-5.6 GA a whole lot of different functionality have been developed around it so that GTID could be used in a much simpler and efficient way.

One of the interesting functionality with GTID in use is the function to sync a slave with its
master server using the WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS.…

Transaction Retry Is Available On Multi-Threaded Slave

 I am happy to announce that slave_transaction_retries is available on multi-threaded slave now. You will no longer see the warning that slave_transaction_retries is not supported by multi-threaded slave since MySQL-5.7.5.

Multi-threaded slave and single-threaded slave share the system variable slave_transaction_retries and they have similar transaction retry logic.…

Active-Active Replication, Performance Improvements & Operational Enhancements – some of what’s available in the new MySQL Cluster 7.4.1 DMR

MySQL Cluster Logo

Oracle have just made availble the new MySQL Cluster 7.4.1 Development Milestone Release – it can be downloaded from the development release tab here. Note that this is not a GA release and so we wouldn’t recommend using it in production.…