Backends Overview

Aviso abstracts all storage and messaging behind a NotificationBackend trait. Two implementations ship out of the box.

Which Backend Should I Use?

flowchart TD
    A["What do you need?"] --> B{"Persistent history<br/>across restarts?"}
    B -->|Yes| C[jetstream]
    B -->|No| D{"Multiple replicas<br/>or pods?"}
    D -->|Yes| C
    D -->|No| E{"Production<br/>workload?"}
    E -->|Yes| C
    E -->|No| F[in_memory]

    C:::jet
    F:::mem

    classDef jet fill:#1a6b3a,color:#fff,stroke:#0d4a27
    classDef mem fill:#1a4d6b,color:#fff,stroke:#0d3347

Capability Comparison

Backend Details

• In-Memory Backend — behavior, config, production caveats
• JetStream Backend — setup, stream management, operational notes
• Backend Development — how to implement a new backend