Tributary Reference

Tributary is the Mississippi reducer and snapshot layer.

Applies To

• Mississippi.Tributary.Abstractions
• Mississippi.Tributary.Runtime
• Mississippi.Tributary.Runtime.Storage.Abstractions
• Mississippi.Tributary.Runtime.Storage.Cosmos

Verified Ownership Boundary

• Event reducer abstractions and runtime composition
• Snapshot abstractions and storage-provider seams
• Runtime support for rebuilding derived state efficiently

Related But Separate Areas

• Brooks owns raw event streams.
• Domain Modeling owns domain behavior.

Defaults And Constraints

This reference covers the verified subsystem boundary, representative packages, and reducer and snapshot contracts for Tributary.

Failure Behavior

For reducer and snapshot failure behavior, refer to the Tributary Operations page and standard Orleans grain persistence diagnostics.

Summary

Use this page as the current active reference for what Tributary owns and which packages expose that surface.

Next Steps

• Read Tributary Concepts.
• Use Tributary Operations for the current operational scope.