Upgrade from MySQL 5.7 to MySQL 8.0

MySQL server's can be upgraded by performing either an INPLACE upgrade or LOGICAL upgrade. The Inplace upgrade involves shutting down the MySQL 5.7 server, replacing the old binaries with MySQL 8.0 binaries and then starting the MySQL 8.0 server on the old data directory. The Logical upgrade involves exporting SQL from the MySQL 5.7 version... Continue Reading →

Installation and Configuration of Percona XtraDB Cluster on CentOS 6.8

Galera Cluster is a synchronous multi-master database cluster, based on synchronous replication and Oracle’s MySQL/InnoDB. When Galera Cluster is in use, you can direct reads and writes to any node, and you can lose any individual node without interruption in operations and without the need to handle complex failover procedures. At a high level, Galera... Continue Reading →

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