Supported Capabilities
Last updated:2026-01-14 15:12:50
Supported Scenarios and Versions
Migration between different architectures is supported. Specifically, migration can be performed from a replica set to a replica set or a sharded cluster, from a sharded cluster to a replica set or a sharded cluster, and from a single node to a replica set or a sharded cluster.
Source Database | Target Database | Scenario Description |
Self-built MongoDB databases (Internet Data Center (IDC) self-built databases and self-built databases on Cloud Virtual Machine (CVM) instances) 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 | Migrate on-premises databases to the cloud. |
MongoDB from third-party cloud vendors: 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 AWS MongoDB Atlas 6.0 and 7.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 | Migrate databases of other cloud vendors to TencentDB. |
TencentDB for MongoDB 3.2, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0, and 7.0 | Migration within the same region or across different regions in Tencent Cloud. Database migration within the same root account and between different root accounts in Tencent Cloud. Migration between different versions of TencentDB for MongoDB instances. Migration between replica set clusters and sharded clusters in TencentDB for MongoDB. |
Supported Features
Feature Category | Sub-feature or Description | Supported Capability |
Migration object | - | Databases and collections |
Migration type | - | Full migration Full + incremental migration |
Key operations for task management | Retry | Supported |
| Creating a similar task | Supported |
Incremental synchronization | DML synchronization (INSERT/UPDATE/DELETE) | Supported |
| DDL synchronization | INDEX: createIndexes, createIndex, dropIndex, and dropIndexes
COLLECTION: createCollection, drop, collMod, renameCollection, and convertToCapped
DATABASE: dropDatabase and copyDatabase DDL operations that support replica sets and sharded clusters |
Consistency check | Check object | All migration objects/Custom objects |
| Check method | Row quantity comparison/Content check/Sampling comparison |
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