Building a Real-Time Pipeline with Kafka Streams

From input topic to output topic — build an order enrichment pipeline using KStream-KTable joins, state stores, and exactly-once semantics. Live topology visualization included.

Animated Explanation

STEP 1 / 5

KStream vs KTable: KStream is a record stream — every record is an INSERT (or UPDATE). KTable is a changelog — each key has the latest value. Stream-table join enriches each KStream record with the latest matching KTable value.

Key Concepts

KStream vs KTableState storesTopologyExactly-once

🎯 You'll Learn

Build stateless and stateful Kafka Streams applications

📋 Prerequisites

Kafka basics

Stack

Apache Kafka

2 tutorials

Progress

Step 1 of 520%

Kafka Consumer Groups & Partition Rebalancing Visualised

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