Kafka
how i used it
The event backbone: staleness signals, partition-keyed ordering, idempotent consumption.
companies
appears in
Accepting inspection answers instantly and processing them durably, with an outbox
The role-binding incident—and the separate deadlock found later
Correcting production data safely with reversible, auditable tooling
Designing a single computation path for a cross-service metric
Synchronizing a Cross-Service Data Edit Atomically
Changing where a new state is handled, instead of teaching eight read paths about it