Kubernetes OOMKilled: Requests vs Limits
Your pod died with OOMKilled and exit 137. What Kubernetes memory requests and limits actually do, what triggers the kill, and how to stop it happening.
#Observability(4)
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Kubernetes Probes: Liveness, Readiness, Startup
Kubernetes has three health probes and mixing them up causes outages. How liveness, readiness, and startup probes work, and the failure modes to avoid.
ArgoCD Sync Waves: Ordering a Kubernetes Rollout
ArgoCD applies your whole app at once, so a migration races the pods that need it. How sync waves and hooks order a Kubernetes rollout, and where they stall.
OpenSearch Dashboards for Workflow Monitoring
Build an OpenSearch dashboard that watches a job pipeline: structured logs, an index mapping, the queries behind each panel, and alerts that fire early.