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ACME-4016: Spike for Inventory Service reliability improvement 16

jira
inventory
0701cd8514c3

jira/acme-4016-inventory-spike.md

ACME-4016: Spike for Inventory Service reliability improvement 16

Date: 2025-10-25 Type: Spike Priority: P3 Service: Inventory Service Owner: Supply Platform GitHub References: GH-4016, GH-4017 API References: API-INVENTORY-01, API-INVENTORY-02, API-INVENTORY-03, API-INVENTORY-04

Business Context

Acme Commerce depends on the Inventory Service to protect customer trust during high-volume shopping periods. This ticket captures engineering work needed after operational reviews found risk from stale cache entries surviving a blue-green release.

Scope

  • Review service contract behavior against API-INVENTORY-01.
  • Update dashboards and alerts owned by Supply Platform.
  • Coordinate rollout with the teams that operate Authentication Service, Checkout Service, Billing Service, Inventory Service, and Notification Service.
  • Link implementation work to GitHub items GH-4016, GH-4017.

Definition of Done

  • Tests cover nominal, timeout, replay, and malformed payload scenarios.
  • Runbook steps are updated and validated in staging.
  • Incident review owners can cite this ticket as remediation evidence.