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A technical guide to building event-driven systems using Cosmos DB Change Feed with Azure Functions, covering minimal architecture, trust boundaries, monitoring, failure modes, and design evolution triggers.
Learn how to set up Cosmos DB’s Change Feed Processor for reliable event‑driven workloads, tune lease containers, scale workers, and handle deletes. The guide covers practical code, tuning knobs, and a checklist to avoid common pitfalls.
Enable Cosmos DB’s Change Feed on a SQL container, consume it with the Change Feed Processor, and wire to Azure Functions for real‑time pipelines. Learn trade‑offs, deduplication, and practical steps to build event‑driven apps.
Prevent 'poison pill' messages from blocking your Pub/Sub pipelines. Learn how to configure Dead Letter Topics, manage the required IAM permissions, and build a recovery workflow.
Use Vala GObject signals to decouple components with type-safe, main-loop-integrated events. Includes minimal design, trust boundaries, and failure modes.
Cosmos DB Change Feed lets you react to every write in real time. This guide explains how to enable it, consume changes with the .NET SDK, handle filtering, multi‑region writes, and key trade‑offs. Follow the checklist to build a reliable event‑driven pipeline.
Learn how to use Qt's Signal and Slot mechanism to decouple C++ classes, manage thread-safe communication, and avoid tight coupling in complex applications.
Learn how to turn Cosmos DB into an event source by enabling the Change Feed, setting up a lease container, and using the Change Feed Processor Library in C#. The guide covers configuration, validation, monitoring, and fallback strategies for reliable event handling.
Oracle Service Bus can decouple services with declarative adapters and policies. This architecture note explains a minimal hub‑and‑spoke design, trust boundaries, operational checks, failure modes, and when to redesign for scale or isolation.
cosmosdb
dotnet
vala
qt
cpp
csharp