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The following table lists out the databases (DBs) associated with WSO2 IoT Server and their criticality:
| Database Type | Content | Criticality |
|---|---|---|
| Carbon | Registry details. | Not Critical |
| Registry | Configuration and governance registry details. | Critical |
| User Manager | User permissions, roles and superuser details | Critical |
| CDM | Core device management data, e.g., device details, device operations, and device policies. | Critical |
| Plugin | These databases hold device type details. By default there are three types of plugin databases:
| Critical |
| Certificate Management | The mutual SSL certificate details. | |
| App Manager | Application related details. | Critical |
| Store | Store related data. | Not Critical |
| Social | Data related to application ranking, ratings, and comments. | Depends on the use case |
| Analytics Event Store | Persisted incoming events streamed from WSO2 Data Analytics Server (WSO2 DAS) as raw data in a tabular structure | Critical |
| Analytics Processed Data Store | Summarized events data. | Critical |
| MB Store | Messages passed through the broker. | Critical |
| Metrics | Metrics pertaining to server performance. | Not Critical |