Portal | Level: L2: Operations | Topics: Kubernetes Core, OOMKilled, Helm | Domain: DevOps & Tooling
Symptoms: Pod OOMKilled, Memory Leak Is in Sidecar, Fix Is Helm Values¶
| File | Purpose |
|---|---|
| symptoms.md | Problem statement and observable symptoms |
| questions.md | Diagnostic questions to work through |
| investigation.md | Full investigation path across domains |
| remediation.md | Cross-domain fix and verification |
| grading.md | Self-assessment rubric |
Cross-domain incident study — see cross-domain index for context.
Pages that link here¶
- Cross-Domain Incident Case Studies
- Grading Rubric
- Helm - Primer
- Helm Drills
- Helm Skill Check
- Ops Archaeology: The Session Store That Keeps Dying
- Pattern: OOM Without Swap Buffer
- Production Readiness Review: Study Plans
- Runbook: Helm Upgrade Failed
- Runbook: OOMKilled Container
- Scenario: Helm Upgrade Broke Prod — Recover Fast
- Scenario: Pods OOMKilled Under Load
- Symptoms
- Track: Helm & Release Operations
Wiki Navigation¶
Prerequisites¶
- Kubernetes Ops (Production) (Topic Pack, L2)
Related Content¶
- Case Study: Node Pressure Evictions (Case Study, L2) — Kubernetes Core, OOMKilled
- Incident Simulator (18 scenarios) (CLI) (Exercise Set, L2) — Helm, OOMKilled
- Lab: Resource Limits OOMKilled (CLI) (Lab, L1) — Kubernetes Core, OOMKilled
- Ops Archaeology: The Session Store That Keeps Dying (Case Study, L2) — Kubernetes Core, OOMKilled
- Runbook: OOMKilled Container (Runbook, L1) — Kubernetes Core, OOMKilled
- Adversarial Interview Gauntlet (30 sequences) (Scenario, L2) — Kubernetes Core
- Case Study: Alert Storm — Flapping Health Checks (Case Study, L2) — Kubernetes Core
- Case Study: Canary Deploy Routing to Wrong Backend — Ingress Misconfigured (Case Study, L2) — Kubernetes Core
- Case Study: CrashLoopBackOff No Logs (Case Study, L1) — Kubernetes Core
- Case Study: DNS Looks Broken — TLS Expired, Fix Is Cert-Manager (Case Study, L2) — Kubernetes Core