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Streaming & Queues
Event streaming, pub/sub, backpressure, and consumer groups at scale.
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Event Driven Architectures in Java: Building Scalable, Decoupled Systems
10+ hour, 33+ min ago (430+ words) This comprehensive guide explores event-driven architectures in Java: core concepts, implementation patterns, real-world examples, and best practices that will help you design systems that are not only scalable but also maintainable and evolutionarily sound. At its core, an event-driven architecture…...
Cloudflare K2 Beta Prices Streaming at $0.04/GB vs Kafka [2026]
2+ day, 16+ hour ago (628+ words) That distinction is the whole competitive thesis. K2 is not trying to be a drop-in Kafka replacement for every use case. It targets the large subset of streaming workloads where nobody actually needs millisecond latency but everybody is paying for broker…...
From 40 seconds to under 10: rebuilding incident detection on OpenTelemetry, Apache Kafka, and Apache Flink on Kubernetes
1+ week, 5+ day ago (995+ words) KubeCon + CloudNativeCon NA 2026 · Nov 9 - 12 · Salt Lake City · REGISTER NOW Enroll your company as a CNCF End User and save more than $10K in training and conference costs Become an End User CNCF projects highlighted in this post It is not a…...
Apache Kafka for SDE interviews: the guide I wish I’d had
3+ day, 22+ hour ago (104+ words) “” is published by Sarthak Rawat....
Kafka Was Never Really a Message Queue. That’s Why It Became So Fast.
4+ day, 4+ hour ago (29+ words) The 2011 LinkedIn paper that explains the simple design decisions behind Kafka’s partitions, offsets, consumer groups …...
Alerting when a RabbitMQ queue has no consumers
4+ day, 19+ hour ago (455+ words) A queue with messages and zero consumers is the quietest outage there is. Nothing errors. Producers publish happily. The dashboard shows the broker green. Then the TTL runs out, or the queue hits its limit, and an hour of orders…...
Kafka Partitions and Consumer Groups: How to Prevent Head-of-Line Blocking
4+ day, 19+ hour ago (27+ words) Understand Kafka's partition assignment strategies, how slow consumers create Head-of-Line blocking, and how to implement parallel decoupled worker architectures. Tagged with kafka, backend, architecture, distributed....
Maximiza el Rendimiento I/O: Consumidores Async/Await en Kafka Python
1+ week, 1+ hour ago (309+ words) Día 10 de la serie técnica WKafka Open Source. Llamar a una API externa lenta dentro de un consumidor síncrono estándar es garantía de perder heartbeats. WKafka soporta async def de forma nativa. Los Problemas Reales Llamadas de red síncronas bloqueando…...
Maximize I/O Throughput: Async/Await Consumers in Python Kafka
1+ week, 1+ hour ago (291+ words) Day 10 of the WKafka Open-Source Engineering Series. Calling a slow external API inside a standard synchronous Kafka consumer is a recipe for missed heartbeats. WKafka supports async def natively. The Pain Points We Faced Sync network requests (HTTP, DB queries)…...
How to replay dead-lettered messages in RabbitMQ
1+ week, 10+ hour ago (617+ words) A dead-letter queue is filling up, the bug that caused it is fixed, and now 300 messages have to go back to where they came from. This is what your options are, what each one gets wrong, and the details that…...