The difference between a cloud database MongoDB (such as Tencent Cloud's MongoDB service) and a self-built MongoDB lies in deployment, management, scalability, and cost.
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Deployment & Maintenance:
- Cloud MongoDB: Fully managed by the provider. Tencent Cloud handles infrastructure setup, patching, backups, and monitoring, reducing operational overhead.
- Self-built MongoDB: Requires manual deployment on servers or virtual machines, including OS configuration, software installation, and ongoing maintenance.
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Scalability:
- Cloud MongoDB: Easily scalable with auto-scaling options. Tencent Cloud allows dynamic adjustment of storage and compute resources to meet traffic demands.
- Self-built MongoDB: Scaling requires manual intervention, such as adding servers or upgrading hardware, which can be time-consuming.
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High Availability & Backup:
- Cloud MongoDB: Built-in replication, failover, and automated backups. Tencent Cloud ensures data redundancy and disaster recovery.
- Self-built MongoDB: Requires manual configuration of replica sets and backup solutions, increasing complexity.
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Cost:
- Cloud MongoDB: Pay-as-you-go pricing, eliminating upfront hardware costs but may incur long-term operational expenses.
- Self-built MongoDB: Lower ongoing costs but requires investment in hardware, licensing, and personnel for management.
Example: A startup using Tencent Cloud's MongoDB can quickly deploy a database with auto-scaling, while a company self-hosting MongoDB must manage servers and backups independently. For enterprises needing reliability and low maintenance, Tencent Cloud's managed service is ideal.