Kafka Topics, Partitions, and Offsets Explained: The Concepts Every Beginner Confuses
When I first started learning Apache Kafka, I quickly realized that three terms appeared everywhere: topics, partitions, and offsets. At first glance,…
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Exactly-Once Semantics in Kafka: Promise vs. Reality
"We're using Kafka with exactly-once semantics, so we don't have to worry about duplicates." I've heard this in architecture reviews, design docs, and…
Capturing, Streaming, Storing, and Visualizing Crypto Market Data in Real Time with PostgreSQL, Debezium, Kafka, JDBC & Grafana
In the fast-moving world of cryptocurrency, market data changes every second — prices fluctuate, trades execute, and volumes shift continuously. Captu…
React Server Components: Under the Hood of Streaming and Client Boundaries
You’ve probably hit that moment where your React app feels sluggish, or where splitting code between client and server logic gets messy fast. React Se…
Build a Real-Time Dashboard with Python, FastAPI, and WebSockets
Your Dashboard Is Lying to You (And Polling Is Why) Every five seconds, your frontend fires a request. The server wakes up, queries the database, seri…
The 1x1 Pixel That Broke My Streaming Extension
Saturday morning, 9 AM. I was at the kitchen island, making a pour-over coffee and testing StreamEnhancer on my MacBook while chopping onions for a fr…
WebSocket in Spring Boot, Explained Simply
Stop Polling. Your Server Already Knows the Answer. There's a pattern that shows up in codebases more often than it should: a frontend making repeated…
Streaming Responses in Next.js App Router — Server-Sent Events and ReadableStream
Your API Isn't Slow. Your Response Strategy Is. There's a class of bug that never shows up in your performance benchmarks but destroys user trust ever…
Building an Event-Driven User Signup Flow with Redpanda and Python
When a user signs up for a typical app, one function usually does it all: validate the input, write a row to the database, maybe queue a welcome email…
A Banking API Is Not Just CRUD: What Building a Money-Movement Ledger Taught Me
A Banking API Is Not Just CRUD: What Building a Money-Movement Ledger Taught Me I thought a banking API would be mostly CRUD. Make an account. Read a …
Kafka is not a queue — and treating it like one will wreck your system
Stop Treating Kafka like a queue! A story about silent lag, vanishing messages, and the mental model shift nobody warns you about. You integrated Kafk…
Kafka Partitioning Strategies: How to Get It Right Before It Costs You
Most engineers don't think seriously about Kafka partitioning until something breaks in production. A topic that worked fine at low volume starts fall…
Restream + SavePoint: Simulcast to 30+ Platforms from One Station
We’re proud to share that SavePoint now supports Restream as a native channel type. For developers and station builders, the architecture is straightf…
[chronolog] SavePoint 1.1.4 Release 🎉
In our first post for our Dev.to profile we are highlighting one of SavePoint’s earliest releases: SavePoint v1.1.4. This release helped define the pr…
The Silent Killer in Your Streaming Pipeline: Schema Evolution Without Tears
TAGS: schema,streaming,data pipelines,production Why I chose this topic: I've seen too many evenings and weekends vanish debugging why a seemingly min…
SSE в production: почему нативного EventSource недостаточно и что с этим делать
Разбираю, почему нативного EventSource часто недостаточно для production SSE: авторизация через headers, контролируемый reconnect, backoff, race condi…
Kafka for Data Engineers: Core Concepts, KRaft, and the Patterns That Actually Work
If your Kafka Docker Compose still has a ZooKeeper service in it, your setup is already legacy. As of Kafka 4.0 (released March 2025), ZooKeeper is go…
Can You Combine a Transcoder, Packager, and DRM/CAS Scrambler All in One?
In modern TV and OTT projects, the same technical challenges can be addressed in different ways: by distributing functions across multiple systems or …