ClownWiki

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====== Cluster ======

http://db-engines.com/en/system/MariaDB%3BMySQL%3BPercona+Server

===== GALERA CLUSTER =====

http://galeracluster.com/products/

> Galera Cluster for MySQL is  a true Multimaster Cluster based on synchronous replication. Galera Cluster is an easy-to-use, high-availability solution, which provides high system uptime, no data loss and scalability for future growth.

===== Percona XtraDB Cluster =====

https://www.percona.com/software/mysql-database/percona-xtradb-cluster

> It integrates Percona Server and Percona XtraBackup with the Codership Galera library of MySQL high availability solutions in a single package that enables you to create a cost-effective MySQL high availability cluster.

===== MariaDB Galera Cluster =====

https://mariadb.com/kb/en/mariadb/what-is-mariadb-galera-cluster/

> MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB.

===== 超意訳 =====

クラスタの仕組み（処理？）を作ったのがGALERAで、Percona＋GALERA＝XtraDB Cluseter、MariaDB＋GALERA＝Galera Cluster。