https://escalopa.com/en/tags/observability/Recent content in Observability on EscalopaHugo -- gohugo.ioenahmed.helaly.dev@google.com (Ahmed Helaly)ahmed.helaly.dev@google.com (Ahmed Helaly)© 2026 Ahmed HelalyThu, 04 Jun 2026 00:00:00 +0000https://escalopa.com/en/posts/defining-slos-engineers-can-use/Sat, 20 Jul 2024 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/defining-slos-engineers-can-use/An SLO connects user-visible success to an error budget and concrete release decisions.https://escalopa.com/en/posts/prometheus-metrics-that-survive-production/Wed, 18 Feb 2026 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/prometheus-metrics-that-survive-production/Instrument bounded dimensions and user outcomes; labels are a data model with a capacity cost.https://escalopa.com/en/posts/histograms-and-tail-latency/Sun, 15 Mar 2026 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/histograms-and-tail-latency/Choose buckets around decisions and inspect distributions; averages conceal the users waiting longest.https://escalopa.com/en/posts/tracing-across-grpc-services/Mon, 09 Sep 2024 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/tracing-across-grpc-services/Propagate context, name spans by operation, and attach identifiers without recording sensitive payloads.https://escalopa.com/en/posts/opentelemetry-without-vendor-lock-in/Wed, 31 Dec 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/opentelemetry-without-vendor-lock-in/Keep instrumentation semantic and portable while isolating exporter and sampling policy.https://escalopa.com/en/posts/structured-logging-that-helps-during-incidents/Sat, 01 Mar 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/structured-logging-that-helps-during-incidents/Logs need stable event names, correlation, severity discipline, and deliberate data minimization.https://escalopa.com/en/posts/kubernetes-probes-done-right/Sat, 13 Jul 2024 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/kubernetes-probes-done-right/Startup, readiness, and liveness answer different questions and should trigger different actions.https://escalopa.com/en/posts/kubernetes-resource-requests-and-limits/Thu, 14 Aug 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/kubernetes-resource-requests-and-limits/Requests drive placement; limits change runtime behavior; both need measurements from realistic load.https://escalopa.com/en/posts/safe-deployments-with-readiness-gates/Sun, 28 Dec 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/safe-deployments-with-readiness-gates/A rollout is safe when new instances prove dependencies, warmup, and service health before receiving load.https://escalopa.com/en/posts/secrets-management-with-vault/Tue, 06 Aug 2024 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/secrets-management-with-vault/Use short-lived identity-bound credentials and design renewal and revocation as runtime paths.https://escalopa.com/en/posts/docker-images-for-go-services/Sun, 05 Apr 2026 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/docker-images-for-go-services/A reproducible multi-stage build and minimal runtime reduce drift, size, and attack surface.https://escalopa.com/en/posts/nginx-timeouts-across-a-proxy-chain/Thu, 04 Jun 2026 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/nginx-timeouts-across-a-proxy-chain/Align connect, header, body, idle, and upstream deadlines so one layer does not outlive another.https://escalopa.com/en/posts/incident-response-from-symptom-to-evidence/Sat, 17 Aug 2024 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/incident-response-from-symptom-to-evidence/Stabilize impact, preserve a timeline, test hypotheses with signals, and separate recovery from diagnosis.https://escalopa.com/en/posts/capacity-planning-with-little-s-law/Sun, 16 Mar 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/capacity-planning-with-little-s-law/Concurrency equals arrival rate times time in system, giving a fast check for queues and resource demand.https://escalopa.com/en/posts/designing-useful-grafana-dashboards/Sun, 19 Oct 2025 00:00:00 +0000ahmed.helaly.dev@google.com (Ahmed Helaly)https://escalopa.com/en/posts/designing-useful-grafana-dashboards/Start from operator questions and put traffic, errors, latency, saturation, and deploy context together.