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News, guides, and engineering deep dives.

News, guides, and engineering deep dives on Kafka, Flink, Iceberg, and real-time data.

Kafka Jun 2, 2026·11 min read

How Barclays uses Apache Kafka in production

A deep-dive into Barclays' Kafka architecture — covering dual-environment deployment on AWS and IBM Z-Linux, operating practices, and the broader streaming stack.

Kafka Jun 2, 2026·12 min read

How Cash App uses Apache Kafka in production

A deep-dive into Cash App's Kafka architecture — covering the evently-cloud bridge service, per-topic application-layer encryption, and the internal PubSub platform at Block.

Kafka Jun 2, 2026·19 min read

How Datadog uses Apache Kafka in production

A deep-dive into Datadog's Kafka architecture — covering use cases, scale, engineering decisions, and key contributors across hundreds of clusters.

Guides Jun 2, 2026·38 min read

Apache Kafka architecture: a complete guide to internals, components, and deployment

A complete guide to Apache Kafka architecture: internals, components, KRaft, replication, consumers, Connect, Streams, and deployment options.

Kafka Jun 2, 2026·23 min read

How Netflix uses Apache Kafka in production

A deep-dive into Netflix's Kafka architecture — covering the Keystone pipeline, Data Mesh platform, scale figures from 700 billion to 2 trillion events per day, and the engineering decisions behind it.

Kafka Jun 2, 2026·16 min read

How New Relic uses Apache Kafka in production

A deep-dive into New Relic's Kafka architecture — covering use cases, scale, engineering decisions and key contributors.

Kafka Jun 2, 2026·12 min read

How Notion uses Apache Kafka in production

A deep-dive into Notion's Kafka architecture — covering use cases, scale, engineering decisions, and key contributors across their data lake and AI pipelines.

Kafka Jun 2, 2026·19 min read

How PagerDuty uses Apache Kafka in production

A deep-dive into PagerDuty's Kafka architecture, covering event ingestion, notification scheduling, task execution, and the engineering decisions behind each.

Kafka Jun 2, 2026·25 min read

How Pinterest uses Apache Kafka in production

A deep-dive into Pinterest's Kafka architecture — covering use cases, scale, engineering decisions, and key contributors. From 15 million to 40 million messages per second across 3,000 brokers.