Source Database | Target Database | Scene Description |
Self-hosted MongoDB database (Self-hosted on IDC, Self-hosted on CVM)
2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0 | Migrate on-premises databases to the cloud. |
Third-Party cloud provider MongoDB 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0 | Migrate databases from other cloud providers to TencentDB for MongoDB. |
TencentDB for MongoDB 3.2, 3.6, 4.0, 4.2, 4.4, 5.0, 6.0 | TencentDB for MongoDB 4.0, 4.2, 4.4, 5.0, 6.0 | Migration between Tencent Cloud regions or across different regions Database migration within the same Tencent Cloud root account or between different root accounts Cross-version migration between TencentDB for MongoDB instances Migration between Replica Set and Sharded Cluster within TencentDB for MongoDB instances |
Feature Category | Feature Sub-Item or Description | Supported Capabilities |
Migration Object | - | Databases, collections |
Migration Type | - | Full migration Full + Incremental migration |
Key Task Management Operations | Retry | Supported |
| Create similar task | Supported |
Incremental Synchronization | DML synchronization (INSERT / UPDATE / ELETE) | Supported |
| DDL synchronization | INDEX: createIndexes, createIndex, dropIndex, and dropIndexes
COLLECTION: createCollection, drop, collMod, renameCollection, and convertToCapped
DATABASE: dropDatabase and copyDatabase Support DDL operations for both Replica Set and Sharded Cluster. |
Consistency Check | Validation object | Entire migration object / Custom object |
| Validation method | Row count comparison / Content validation / Sampling comparison |
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