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Runbook: Aggregator Dependency Triage

Status: Not Started | Pass threshold: 100% | Points: 75

L3 25 min triage

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Learning Guidance

Objectives

  • measure latency trend and backlog behavior
  • identify affected subscriber classes
  • check vendor and network dependency status
  • vendor endpoint slowness vs internal queue pressure
  • degraded but functional vs incident escalation threshold

Evidence To Capture

  • latency trend
  • subscriber scope
  • vendor/network checks

Source Artifacts

Internal source references are available for maintainers but are not exposed in deployed environments.

Field Evidence

Real incidents related to what you're learning.

01KJ45E02K07DCN4KAZGGC2SCA

2/23/2026 | n/a

high

Switchboard unable to dispatch events to KFC US endpoints in production

• Org: kfc_us • Env: production • Service: switchboardserviceretry1m ## Key Information: > • Switchboard is unable to dispatch events to kfc_us > > • This er...

connect Same product lane: connectKeywords: steps, events, dispatch

Study Incident →

01KJ0M5JDDZ0MEES932WA0C6G9

2/21/2026 | n/a

medium

Increased rate of stores marked OFFLINE in Olympus due to connection instability

• Org: tb_uk • Env: prod-hopper • Service: olympus-daemons ## Key Information: > This monitor tracks when a store status has successfully change to OFFLINE i...

connect Same product lane: connectKeywords: monitor, steps, confirm

Study Incident →

01KHY4SW3BRJ4FYA0V71XMWDJ6

2/20/2026 | n/a

medium

Browser synthetic test failure on PH US Pick Up Order Flow 4 - Wings Menu

This browser synthetic test is basic. It tests for basic user functionality on Pizza Hut's website and refreshes orders on Customer Support with default filt...

commerce Keywords: monitor, identify, menuRoot cause (deployment) aligns with L3 focus

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Module Content

Not Started

Key Takeaways

  • Monitor 242061003 or similar consumer latency signal fires.
  • Confirm latency and backlog growth.
  • Identify if impact is menu events, order events, or both.
  • Check for external endpoint timeouts and vendor notifications.
  • Validate if infra dependencies are degraded (DNS/network/node).

Trigger

  • Monitor 242061003 or similar consumer latency signal fires.

Triage Steps

  1. Confirm latency and backlog growth.
  2. Identify if impact is menu events, order events, or both.
  3. Check for external endpoint timeouts and vendor notifications.
  4. Validate if infra dependencies are degraded (DNS/network/node).

Escalation

  • Connect and cart teams for queue and dispatch path.
  • SRE for infra symptoms.
  • Partner operations when endpoint or partner health is primary cause.

Recovery Validation

  • Latency trend and retry behavior normalize.
  • No ongoing consumer lag expansion.

Reading Checkpoint

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Reflection

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Completion requires 80% section coverage, checkpoint confirmation, and a short reflection. On completion, you will move to the next module automatically.

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