6h ago · 2 min read · OpenCost patterns for understanding where your Kubernetes spend actually goes. The question it answers "How much does the production namespace cost this week? Which deployment is burning the most?" kubectl port-forward -n opencost svc/opencost 9003 ...
Join discussion6h ago · 2 min read · Jaeger patterns for distributed tracing in Kubernetes microservices. The modern stack: OTel SDK → OTel Collector → Jaeger App → OTel SDK → OTel Collector → Jaeger Collector → Elasticsearch → Jaeger UI Don't send spans directly from your app to Jaeger...
Join discussion7h ago · 1 min read · Grafana patterns that take time to figure out — especially variables and alerting. Template variables — making dashboards dynamic # Chained variable: namespace drives pod list Name: pod Query: label_values(kube_pod_info{namespace="$namespace"}, pod) ...
Join discussion8h ago · 1 min read · OpenTelemetry (OTel) is the CNCF standard for unified tracing, metrics, and logs. Here are the production patterns that matter. SDK setup: Go tp := sdktrace.NewTracerProvider( sdktrace.WithBatcher(exporter), sdktrace.WithResource(res), sd...
Join discussion9h ago · 2 min read · Prometheus and PromQL are powerful once you understand the data model. Here's what trips people up. rate() vs irate() — when to use which rate() — smoothed per-second rate over a range. Stable for alerting. irate() — instantaneous rate from the last...
Join discussion12h ago · 4 min read · PostgreSQL major version upgrades are among the most stressful operations a DBA performs. pg_upgrade has made them dramatically safer -- it handles catalog migration, data file linking, and sequence synchronization. But it has a blind spot with exten...
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12h ago · 14 min read · 15 PostgreSQL Extensions You Should Know in 2026 PostgreSQL's extension system is the single feature that separates it from every other database. It lets you add vector search, time-series, geospatial, and machine learning capabilities without leavin...
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16h ago · 8 min read · Modern backend systems rarely run as a single application on a single server anymore. Today’s systems are distributed, run across multiple services, and operate in different regions and infrastructure
Join discussion1d ago · 8 min read · How React Error Boundaries Saved us TL;DR Problem: Stakeholders hit a black screen on a new feature. We couldn't reproduce it locally and had zero visibility into the error.Solution: Wrapped the scre
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