Connect | Reading Module
Status: Not Started | Pass threshold: 100% | Points: 55
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Completion happens in the checkpoint panel below.
Objectives
Evidence To Capture
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
• Org: kfc_us • Env: production • Service: switchboardserviceretry1m ## Key Information: > • Switchboard is unable to dispatch events to kfc_us > > • This er...
Study Incident →
01KJ0M5JDDZ0MEES932WA0C6G9
2/21/2026 | n/a
• Org: tb_uk • Env: prod-hopper • Service: olympus-daemons ## Key Information: > This monitor tracks when a store status has successfully change to OFFLINE i...
Study Incident →
01KJ3G96Y7VB8CT1ZARBR03MFX
2/22/2026 | n/a
• Org: kfc_us • Env: production • Service: payment-dgs > [Troubleshooting Guide](https://yumbrands.atlassian.net/wiki/spaces/YCSD/pages/1518469121/Steps+for+...
Study Incident →
Source: observability-audit/monitors/common-monitors.md plus monitor profile 154947187-switchboard-dispatch.yaml.
| Monitor ID | Name | Service | Team | Notes |
|---|---|---|---|---|
| 154947187 | Switchboard Dispatch Failures | switchboard | cart | key dispatch failure profile with known vendor timeout history |
| 252535863 | Byte Connect Critical Lambda Errors | byte-connect | connect | ingestion path failures |
| 171944932 | Byte Connect Orders Rejected | byte-connect | connect | direct partner/order rejection signal |
| 242061003 | Switchboard Consumer Latency | switchboard consumer | cart/connect | backlog and delayed propagation |
| 134540973 | CoreDNS NXDOMAIN | coredns | sre | can present as connect-wide dependency failures |
| Monitor ID | Primary Runbook |
|---|---|
| 154947187 | runbooks/switchboard-dispatch-failures.md |
| 252535863 | runbooks/byte-connect-orders-rejected.md |
| 171944932 | runbooks/byte-connect-orders-rejected.md |
| 242061003 | runbooks/aggregator-dependency-triage.md |
No dedicated byte-connect deep service profile was present in the source repos at build time. This index is sufficient for onboarding triage flow, but deep component-level runbooks should be added as future source material becomes available.
| Monitor | Service | Team | Why It Matters |
|---|---|---|---|
| 154947187 Switchboard Dispatch Failures | switchboard | cart | Switchboard dispatch failures indicate event delivery issues to subscribers. Key investigation dimensions: 1. Endpoint ( |
| 134540973 CoreDNS NXDOMAIN | coredns | sre | Threshold: >99% NXDOMAIN rate Typical Pattern: Often transient, related to service discovery churn Auto-Recovery: Usuall |
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