Category · 463 articles

Data & Streaming

Pick a compression codec: a hands-on guide for engineers

KAFKA & WEBSOCKETS · DAY 013

Pick a compression codec: a hands-on guide for engineers

Expona Admin · Oct 27, 2026 · 8 min read

Replication and in-sync replicas: lessons from production

KAFKA & WEBSOCKETS · DAY 014

Replication and in-sync replicas: lessons from production

Expona Admin · Oct 27, 2026 · 9 min read

Why replication factor 3: a hands-on guide for engineers

KAFKA & WEBSOCKETS · DAY 015

Why replication factor 3: a hands-on guide for engineers

Expona Admin · Oct 27, 2026 · 7 min read

KRaft: Kafka without ZooKeeper — lessons from production

KAFKA & WEBSOCKETS · DAY 016

KRaft: Kafka without ZooKeeper — lessons from production

Expona Admin · Oct 27, 2026 · 6 min read

One less system to run for Kafka & WebSockets developers

KAFKA & WEBSOCKETS · DAY 017

One less system to run for Kafka & WebSockets developers

Expona Admin · Oct 27, 2026 · 6 min read

JSON vs Avro vs Protobuf: a hands-on guide for engineers

KAFKA & WEBSOCKETS · DAY 018

JSON vs Avro vs Protobuf: a hands-on guide for engineers

Expona Admin · Oct 27, 2026 · 6 min read

What migrating Kafka from JSON to Avro taught me explained

KAFKA & WEBSOCKETS · DAY 019

What migrating Kafka from JSON to Avro taught me explained

Expona Admin · Oct 27, 2026 · 7 min read

Schema Registry and compatibility in Kafka & WebSockets

KAFKA & WEBSOCKETS · DAY 020

Schema Registry and compatibility in Kafka & WebSockets

Expona Admin · Oct 27, 2026 · 9 min read

Backward-compatible schema changes in Kafka & WebSockets

KAFKA & WEBSOCKETS · DAY 021

Backward-compatible schema changes in Kafka & WebSockets

Expona Admin · Oct 27, 2026 · 7 min read

Retry topics and dead-letter queues in Kafka & WebSockets

KAFKA & WEBSOCKETS · DAY 022

Retry topics and dead-letter queues in Kafka & WebSockets

Expona Admin · Oct 27, 2026 · 7 min read

Poison pills: Kafka & WebSockets lessons from production

KAFKA & WEBSOCKETS · DAY 023

Poison pills: Kafka & WebSockets lessons from production

Expona Admin · Oct 27, 2026 · 9 min read

Monitoring consumer lag: real-world lessons and examples

KAFKA & WEBSOCKETS · DAY 024

Monitoring consumer lag: real-world lessons and examples

Expona Admin · Oct 27, 2026 · 6 min read

Alert on lag, not just errors: best practices explained

KAFKA & WEBSOCKETS · DAY 025

Alert on lag, not just errors: best practices explained

Expona Admin · Oct 27, 2026 · 10 min read

Kafka with Node.js: a practical Kafka & WebSockets guide

KAFKA & WEBSOCKETS · DAY 026

Kafka with Node.js: a practical Kafka & WebSockets guide

Expona Admin · Oct 27, 2026 · 8 min read

Choosing a Kafka client for Node: lessons from production

KAFKA & WEBSOCKETS · DAY 027

Choosing a Kafka client for Node: lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

Designing good events for Kafka & WebSockets developers

KAFKA & WEBSOCKETS · DAY 028

Designing good events for Kafka & WebSockets developers

Expona Admin · Oct 27, 2026 · 8 min read

Events vs commands: a practical Kafka & WebSockets guide

KAFKA & WEBSOCKETS · DAY 029

Events vs commands: a practical Kafka & WebSockets guide

Expona Admin · Oct 27, 2026 · 7 min read

Notification events vs state transfer: a practical guide

KAFKA & WEBSOCKETS · DAY 030

Notification events vs state transfer: a practical guide

Expona Admin · Oct 27, 2026 · 6 min read

How much data belongs in an event in Kafka & WebSockets

KAFKA & WEBSOCKETS · DAY 031

How much data belongs in an event in Kafka & WebSockets

Expona Admin · Oct 27, 2026 · 7 min read

Outbox and change data capture: best practices explained

KAFKA & WEBSOCKETS · DAY 032

Outbox and change data capture: best practices explained

Expona Admin · Oct 27, 2026 · 7 min read