{"id":"reservation-strategies-prevent-over-commitment","text":"Two systems illustrate complementary approaches to preventing over-commitment of shared resources: Google Drive reserves full quota at upload initiation (capacity locked upfront via chunked upload protocol), while the hotel reservation system uses an optimistic read-then-verify-version pattern on per-date inventory — though the hotel implementation executes both phases synchronously, making its concurrency check demonstrative rather than functionally necessary under real interleaving.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["gdrive-quota-reservation","hotel-occ-two-phase-reserve"],"outlist":[],"label":"both use upfront capacity checks to prevent concurrent access from exceeding resource limits"}],"dependents":[],"metadata":{"last_reviewed":"2026-06-06T06:26:57","review_result":"invalid"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"reservation-strategies-prevent-over-commitment","truth_value":"IN","reason":"SL justification valid","antecedents":["gdrive-quota-reservation","hotel-occ-two-phase-reserve"],"label":"both use upfront capacity checks to prevent concurrent access from exceeding resource limits"},{"node":"gdrive-quota-reservation","truth_value":"IN","reason":"premise"},{"node":"hotel-occ-two-phase-reserve","truth_value":"IN","reason":"premise"}]}}