Kubernetes Probes: Liveness, Readiness, and Startup
Use better Kubernetes probes by choosing the right signal, tuning thresholds, and avoiding false restarts, traffic drops, and noisy rollouts.
Category archive
Operations Tips
10 practical articles on Kubernetes / Operations Tips, covering setup, troubleshooting, and production decisions.
More topics
Other topics
Selected pieces
Featured in this category
Kubernetes Ephemeral Containers: Safe Production Debugging
Safely inspect a live Pod without baking debugging tools into production images.
Kubernetes NetworkPolicy: Default Deny, DNS, and Safe Rollout
A concrete rollout path for Kubernetes NetworkPolicy: start with default deny, whitelist DNS and key dependencies, and avoid breaking production traffic.
Kubernetes Rollout Safety: PDB, Surge, and Unavailable Settings
Combine Deployment rollingUpdate settings with PodDisruptionBudgets to keep availability during upgrades and node maintenance.
LWS PD Disaggregation for vLLM and SGLang
Deploy SGLang and vLLM Prefill/Decode roles with LWS DisaggregatedSet, NIXL startup commands, validation steps, and production safeguards.
Kubernetes Requests and Limits: Scheduling, Throttling, OOM
How CPU/memory requests and limits actually affect scheduling, throttling, OOMKills, and autoscaling.
Archive
All posts in this category
All posts in reverse chronological order.
Kubernetes Probes: Liveness, Readiness, and Startup
Use better Kubernetes probes by choosing the right signal, tuning thresholds, and avoiding false restarts, traffic drops, and noisy rollouts.
Kubernetes Ephemeral Containers: Safe Production Debugging
Safely inspect a live Pod without baking debugging tools into production images.
Kubernetes NetworkPolicy: Default Deny, DNS, and Safe Rollout
A concrete rollout path for Kubernetes NetworkPolicy: start with default deny, whitelist DNS and key dependencies, and avoid breaking production traffic.
Kubernetes Rollout Safety: PDB, Surge, and Unavailable Settings
Combine Deployment rollingUpdate settings with PodDisruptionBudgets to keep availability during upgrades and node maintenance.
LWS PD Disaggregation for vLLM and SGLang
Deploy SGLang and vLLM Prefill/Decode roles with LWS DisaggregatedSet, NIXL startup commands, validation steps, and production safeguards.
Kubernetes Requests and Limits: Scheduling, Throttling, OOM
How CPU/memory requests and limits actually affect scheduling, throttling, OOMKills, and autoscaling.
Kubernetes RBAC Least Privilege: Roles and Bindings
Learn concrete Kubernetes RBAC least-privilege patterns, how to reduce overbroad permissions, and which checks catch risky role bindings before incidents.
Kubernetes vs Docker vs OpenStack: Where Each Fits
Separate container packaging, Kubernetes orchestration, and OpenStack IaaS so teams choose the layer that matches their actual operating problem.
Kubernetes Troubleshooting: Pending, CrashLoopBackOff, and Traffic
A concrete Kubernetes troubleshooting playbook for Pending Pods, CrashLoopBackOff, readiness failures, networking issues, and node-level problems.
Kubernetes Autoscaling: HPA, VPA, and Cluster Autoscaler Boundaries
How to make autoscaling predictable: right requests, sane HPA behavior, VPA recommendations, and capacity-aware cluster scaling.