Kubernetes in Production: 50 Real Outages- RCA with Suraj Dhoundiyal

🔥 LIMITED LAUNCH OFFER: Grab the complete 150-page Master Manual for just ₹129 (Regular Price: ₹1,299 • 90% OFF)

Stop guessing when production breaks. Master Kubernetes internals, Linux kernel cgroups/CFS, Netfilter conntrack, CSI storage deadlocks, etcd Raft consensus, and 50 real-world Sev-1 outage runbooks.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🏆 CURATED BY 15+ BIG TECH VETERANS (20+ YEARS EXP)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

This manual is not a rehash of public documentation. Every failure mechanism, Linux kernel diagnostic, and root cause analysis was formulated and reviewed alongside 15+ Principal Site Reliability Engineers and Platform Architects working across Tier-1 product-based Big Tech enterprises, bringing over 20+ years of individual production experience operating multi-tenant clusters under high-load SLOs.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

📦 WHAT’S INSIDE THE 150-PAGE MASTER MANUAL?

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

• 50 Production Outage Case Studies & Runbooks across 6 core failure domains.

• 15+ High-Resolution Architectural & Packet Flow Diagrams (CFS throttling, cgroups v2, CNI, CSI, Raft).

• 12 Enterprise Hardening Cheat Sheets (CIS Benchmarks, PSS Restricted, RBAC, NetworkPolicy, Cloud).

• 20 Advanced Diagnostic Terminal One-Liners (ss, conntrack, tcpdump, strace, crictl, dmesg).

• 10 Production Alertmanager Configurations with multi-window multi-burn-rate rules.

• 100 Scenario-Based Exam Questions & Answers (Beginner, Intermediate, Advanced, Expert/SRE).

• 6 Hands-On Local Reproduction Labs (kind / k3d step-by-step simulations).

• Capstone Multi-Service Black Friday Outage Simulation with step-by-step triage and blameless postmortem.

• Tri-Cloud Architectural Matrix: AWS EKS vs. Azure AKS vs. Google Cloud GKE.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🛠️ THE 6 CORE MODULES (50 OUTAGE RUNBOOKS)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

1. Module I: Pod Lifecycle, Memory & CPU (Runbooks 01–10)

• Distroless dynamic linkers (Exit 127), JVM OOM vs SIGTERM timeouts (Exit 137 vs 143), Linux CFS CPU micro-throttling at 30%, ephemeral-storage eviction storms, hung NFS D-state mounts, liveness probe restart loops, readiness 503 cascades, autoscaling ECR/ACR token expiry, postStart hook failures, initContainer deadlocks.

2. Module II: Networking, CNI, DNS & Service Mesh (Runbooks 11–20)

• CoreDNS ndots:5 query amplification, AWS VPC CNI subnet exhaustion, Netfilter conntrack saturation dropping SYN packets, Ingress-Nginx HTTP/2 504 timeouts, cross-node MTU mismatches, Calico BGP route flapping, NodePort exhaustion, Istio mTLS Root CA rotation, ExternalName SSRF leaks, IPVS connection resets.

3. Module III: Storage & CSI Subsystems (Runbooks 21–28)

• EBS multi-attach cross-AZ locks, PVC VolumeBindingMode conflicts, ext4/xfs inode exhaustion at 0% block usage, Ceph CSI socket deadlocks, StatefulSet AZ misalignment, stale NFS file handles (ESTALE), cloud provider API rate limiting, volume detach timeouts.

4. Module IV: Control Plane, etcd & Scheduling (Runbooks 29–38)

• etcd database quota space exceeded alarms, etcd fsync latency leader loss, unindexed CRD list/watch CPU saturation, kubeadm 365-day cert expiration, complex topology spread deadlocks, mutating admission webhook timeouts, HPA metrics-server outages, Kubelet PID exhaustion, Cloud Controller route limits, Cluster Autoscaler PDB freezes.

5. Module V: Security & Privilege Escalation (Runbooks 39–45)

• Container breakout via CAP_SYS_ADMIN and containerd.sock, EC2 IMDS credential exfiltration, public /metrics ingress exposure, RBAC wildcard privilege escalation, exposed Kubelet port 10250 RCE, hostPath /etc/shadow overwrite, unsigned public container image tampering.

6. Module VI: Multi-Cluster, GitOps & Day-2 Operations (Runbooks 46–50)

• Argo CD Out-of-Sync reconciliation storms, Helm release stuck in pending-upgrade, multi-region DNS failover split-brain and replication lag, PromQL high-cardinality TSDB memory crashes, rolling OS upgrade node kernel deadlocks.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

📋 STANDARDIZED 15-POINT SRE FIELD STRUCTURE

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Every single outage in this book follows the exact 15-point diagnostic protocol:

1. Architectural Deconstruction & Linux Kernel Mechanisms

2. Realistic War Room Narrative & P1 Alert Payload

3. Diagnostic Commands (Categorized: READ-ONLY vs. MUTATION)

4. Realistic Telemetry (containerd, dmesg, journalctl, kubectl)

5. Root Cause Analysis (Complete 5-Whys Analysis)

6. Hypothesis Testing & Elimination Table

7. Similar Failure Comparisons (e.g. 137 vs 143, CFS Throttling vs Node Starvation)

8. Immediate Mitigation & Hardened YAML Manifests

9. Production Decision Trees & Rollback Trade-offs

10. Verification & Recovery Metrics

11. Production-Ready PromQL Alerting Rules

12. Counterfactual Analysis (Cheapest vs Strongest Prevention)

13. Blast-Radius Reduction Strategies

14. Module Review Exercises & Interview Questions

15. The One Thing to Remember (SRE Operational Rule)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🎯 WHO IS THIS MANUAL FOR?

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

• L2/L3 Systems Administrators transitioning to Platform Engineering.

• DevOps Engineers & SREs managing multi-tenant Kubernetes clusters.

• Cloud Infrastructure Architects designing resilient AWS EKS, Azure AKS, or Google GKE platforms.

• Engineers preparing for Senior/Staff SRE, Platform Engineer, and CKS/CKA scenario-based technical interviews.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

⚡ HOW YOU RECEIVE THIS PRODUCT

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Instantly! Upon checkout, you will be redirected to download the DRM-free, high-resolution 150-page PDF manual. A copy is also delivered directly to your email for lifetime access.