Tag
#idempotency
2 articles: System.
Transactional Outbox: Dual-Write, At-Least-Once, and Idempotent Consumption
Writing to the database but failing to put the event on the queue: closing dual-write with an outbox, suppressing the at-least-once repeats it creates, and encrypting the field.
Race Conditions and Gaps in Sequential Numbering: JIT Reservation
Generating legally sequential, gap-free numbers with parallel workers: the JIT reservation pattern that solves race conditions and gaps together