Platform · 2011–now · Cloud Scale
Apache Kafka
Durable log as nervous system. Event-driven architecture with real operational teeth.
Why Apache Kafka stuck
Kafka stuck because ordered, replayable logs solve integration without brittle point-to-point RPC. Ops cost is real but predictable compared to ESB fantasy. It failed only when teams treated topics as a database.
Case studies
Patterns
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Related
Architecture · 2012–2023
Microservices Everywhere
Independent deployability as religion. Correct for some; ruinous cargo-cult for most. Consolidation and monolith return are the 2020s epilogue.
$ Teams split 4-person products into 40 services, then hired SREs to babysit the mesh. Many later consolidated — after years of distributed tracing invoices and on-call trauma. See case studies on premature microservices and big-bang cutovers for named failure modes.
Platform · 2009–now
Redis
Fast structures in memory with persistence options. Cache, queue, session store — pick your footgun.
Platform · 2014–now
Apache Spark
In-memory data processing that made Hadoop feel overnight. Still the batch/stream workhorse under many lakehouses.