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ACME-2008: Spike for Checkout Service reliability improvement 08

jira
checkout
b89eca359212

jira/acme-2008-checkout-spike.md

ACME-2008: Spike for Checkout Service reliability improvement 08

Date: 2025-09-07 Type: Spike Priority: P1 Service: Checkout Service Owner: Commerce Platform GitHub References: GH-2008, GH-2009 API References: API-CHECKOUT-01, API-CHECKOUT-02, API-CHECKOUT-03, API-CHECKOUT-04

Business Context

Acme Commerce depends on the Checkout Service to protect customer trust during high-volume shopping periods. This ticket captures engineering work needed after operational reviews found risk from connection pool saturation during a regional traffic burst.

Scope

  • Review service contract behavior against API-CHECKOUT-01.
  • Update dashboards and alerts owned by Commerce 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-2008, GH-2009.

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.