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Instance Types

Last updated: 2021-09-09 17:29:04

A database instance is a standalone database environment running in Tencent Cloud. It can contain multiple user-created databases and can be accessed using the same tools and applications as those for a standalone database instance.

There are four types of instances available in TencentDB for MariaDB.

Instance Type Definition Feature
Master instance An instance that can be read from and written to A master instance can mount disaster recovery instances for remote disaster recovery
Master instance (dedicated) A master instance in dedicated cluster database mode It is a database instance applied for in a dedicated cluster and has all features of a TencentDB master instance
Disaster recovery instance An instance that enables disaster recovery across AZs and regions A disaster recovery instance is read-only during sync with a master instance. It can actively stop the sync and be promoted to a master instance for read/write access. It must reside in a region different from the master instance
Temp instance A temporary instance generated by rollback It is used to verify and recovery data after rollback.
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