Instance Types
Last updated: 2024-01-11 15:21:58
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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