{"id":"dmq-two-tier-offset-tracking","text":"`current_offset` advances on `poll()` and `committed_offset` advances on explicit `commit()`; the gap between them is the uncommitted window of delivered-but-unconfirmed messages.","truth_value":"IN","source":"entries/2026/06/05/distributed-message-queue-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["message-delivery-guarantees-are-consumer-side"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"dmq-two-tier-offset-tracking","truth_value":"IN","reason":"premise"}]}}