SoftwareMill published a blog post by Michał Matłoka analyzing Apache Iggy's durability, thread-per-core internals, and replication changes.

SoftwareMill, a VirtusLab company, is a custom software engineering partner specializing in high-throughput, real-time distributed systems, data streaming, and cloud-native architecture. We leverage elite partnerships to deliver best-in-class solutions, collaborating with technology leaders. As an IBM Silver Partner and the only Confluent Elite Partner in Poland (and one of few in Europe), we bring deep, hands-on expertise to enterprise Apache Kafka projects, helping organizations design, scale, and manage mission-critical event-streaming architectures. Being part of VirtusLab amplifies our reach and engineering depth. As a global technology transformation group, VirtusLab helps world-leading enterprises modernize systems, optimize data platforms, and boost developer productivity. VirtusLab is also the creator of Visdom, an AI-native SDLC (Software Development Life Cycle) platform built to orchestrate context, execution, and continuous validation so engineering teams can ship software safely at AI speed. Together, we combine deep open-source roots, JVM expertise, and cutting-edge software delivery infrastructure to scale tech transformations for our global clients. As a 100% remote-first company with a unique bottom-up structure and organizational transparency, SoftwareMill has repeatedly been named a Great Place to Work. Driven by engineering ethics, radical honesty, and deep technical mastery, we bring together the best engineering talent available on the market.