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Multi-master replication can be contrasted with primary-replica replication, in which a single member of the group is designated as the "master" for a given piece of data and is the only node allowed to modify that data item. Other members wishing to modify the data item must first contact the master node.
SymmetricDS is open source software for database and file synchronization with Multi-master replication, filtered synchronization, and transformation capabilities. [2] It is designed to scale for a large number of nodes, work across low-bandwidth connections, and withstand periods of network outage. [3]
MySQL Cluster is designed around a distributed, multi-master ACID compliant architecture with no single point of failure.MySQL Cluster uses automatic sharding (partitioning) to scale out read and write operations on commodity hardware and can be accessed via SQL and Non-SQL (NoSQL) APIs.
Synchronous replication: Multi-master replication is provided in MySQL Cluster. [101] Virtual Synchronous: Self managed groups of MySQL servers with multi master support can be done using: Galera Cluster [102] or the built in Group Replication plugin [103] Full-text indexing and searching [b] Embedded database library; Unicode support [a]
The Fein Multimaster, a variable speed oscillating cutting tool produced by Fein tools; Multi-master bus, a computer bus in which there are multiple bus master nodes present on the bus; Multi-master replication, a method of replication employed by databases to transfer data or changes to data across multiple computers
Load balancing, however, sometimes uses data replication (especially multi-master replication) internally, to distribute its data among machines. Backup differs from replication in that the saved copy of data remains unchanged for a long period of time. [5] Replicas, on the other hand, undergo frequent updates and quickly lose any historical state.
Master may be used to mean a copy that has more significance than other copies in which case the term is an absolute concept; not a relationship. Sometimes the term master-slave is used in contexts that do not imply a controlling relationship. In database replication, the master database is the authoritative source. A replica database ...
MySQL is a multithreaded, multi-user, SQL database management system, [9] acquired by Sun Microsystems in 2008, which was then acquired by Oracle Corporation in 2010. [10] Since its early years, the MySQL team has made its source code available under the terms of the GNU General Public License , as well as under a variety of proprietary agreements.