https://muhammadamal.my.id/tags/observability/ Recent content in Observability on Hi, I'm Muhammad Amal Hugo en-us Fri, 22 Aug 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/observability-for-n8n-2025-metrics-logs-traces/ Fri, 22 Aug 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/observability-for-n8n-2025-metrics-logs-traces/ Build production observability for n8n with Prometheus metrics, structured logs, OpenTelemetry traces, and the dashboards that catch incidents early. https://muhammadamal.my.id/blog/reading-pg-stat-io-and-modern-postgres-internals/ Mon, 23 Jun 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/reading-pg-stat-io-and-modern-postgres-internals/ A deep dive on pg_stat_io in PostgreSQL 17, explaining buffer cache mechanics, IO contexts, and how to diagnose storage and memory pressure from the view. https://muhammadamal.my.id/blog/aiops-in-may-2025-what-actually-works-in-production/ Mon, 05 May 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/aiops-in-may-2025-what-actually-works-in-production/ Field notes on AIOps in production, what to adopt, what to defer, and where LLMs earn their keep on the platform team. https://muhammadamal.my.id/blog/observability-edge-fleets-at-scale-patterns-that-work/ Wed, 30 Apr 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/observability-edge-fleets-at-scale-patterns-that-work/ Production observability for edge fleets. OpenTelemetry Collector at the edge, local aggregation, smart sampling, and alerts that survive WAN outages. https://muhammadamal.my.id/blog/observability-for-multi-agent-systems-langsmith-and-phoenix-in-2025/ Wed, 26 Mar 2025 09:00:00 +0700 https://muhammadamal.my.id/blog/observability-for-multi-agent-systems-langsmith-and-phoenix-in-2025/ Hands-on observability for multi-agent systems with LangSmith, Phoenix, OpenTelemetry, plus what to alert on and what to ignore. https://muhammadamal.my.id/blog/slos-error-budgets-engineers-actually-use/ Wed, 05 Jun 2024 09:00:00 +0700 https://muhammadamal.my.id/blog/slos-error-budgets-engineers-actually-use/ SLOs are easy to write and hard to use. Here’s how to build budgets your team will reach for during incidents and planning, not just QBRs. https://muhammadamal.my.id/blog/rust-service-observability-metrics-logs-traces-2024/ Mon, 25 Mar 2024 09:00:00 +0700 https://muhammadamal.my.id/blog/rust-service-observability-metrics-logs-traces-2024/ Production observability for Rust services with the metrics crate, Prometheus, tracing, and OpenTelemetry. https://muhammadamal.my.id/blog/developer-experience-metrics-dora-2024/ Mon, 22 Jan 2024 09:00:00 +0700 https://muhammadamal.my.id/blog/developer-experience-metrics-dora-2024/ DX metrics that survive a year. DORA, SPACE, and the practical instrumentation for a platform team in 2024 without surveillance optics. https://muhammadamal.my.id/blog/llm-observability-monitoring-dashboard/ Wed, 22 Nov 2023 09:00:00 +0700 https://muhammadamal.my.id/blog/llm-observability-monitoring-dashboard/ Practical LLM observability — what to log, what to alert on, and what a useful dashboard for a RAG system looks like. https://muhammadamal.my.id/blog/llm-cost-control-token-budgets/ Tue, 24 Jan 2023 09:00:00 +0700 https://muhammadamal.my.id/blog/llm-cost-control-token-budgets/ LLM cost control: budgets, compression, caching, model selection, alerts on runaway. https://muhammadamal.my.id/blog/september-retro-observability/ Fri, 30 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/september-retro-observability/ September retro: full obs stack for factory. Wins, costs, cuts. https://muhammadamal.my.id/blog/prometheus-cardinality-cost/ Wed, 28 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/prometheus-cardinality-cost/ Control Prometheus cost: cardinality limits, drop high-card metrics, recording rules, retention math. https://muhammadamal.my.id/blog/slo-practice/ Fri, 23 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/slo-practice/ SLOs in practice: SLIs, targets, error budgets from Prometheus, org dynamics. https://muhammadamal.my.id/blog/tempo-distributed-tracing/ Wed, 21 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/tempo-distributed-tracing/ Tempo 1.5: distributed tracing, OTel SDK for Go/Node, sampling, exploration in Grafana. https://muhammadamal.my.id/blog/loki-log-aggregation/ Fri, 16 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/loki-log-aggregation/ Loki 2.6: self-hosted logs, label index, LogQL, retention. Cheaper than ELK; where it doesn’t fit. https://muhammadamal.my.id/blog/prometheus-alertmanager/ Wed, 14 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/prometheus-alertmanager/ Alertmanager: routing, grouping, inhibition, silencing, Slack/PD. Useful, not noisy. https://muhammadamal.my.id/blog/grafana-dashboards-that-help/ Mon, 12 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/grafana-dashboards-that-help/ Grafana dashboards engineers use, not just look at. RED/USE, hierarchy, 6-panel rule. https://muhammadamal.my.id/blog/node-prometheus-instrumentation/ Fri, 09 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/node-prometheus-instrumentation/ Node + Prometheus via prom-client: defaults, HTTP middleware, business metrics, Express/Fastify. https://muhammadamal.my.id/blog/go-prometheus-instrumentation/ Wed, 07 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/go-prometheus-instrumentation/ Go + Prometheus: client_golang, counters, histograms, HTTP middleware, runtime metrics. https://muhammadamal.my.id/blog/prometheus-101-metrics-promql/ Mon, 05 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/prometheus-101-metrics-promql/ Prometheus 2.37 basics: metric types, scraping, labels, PromQL with backend examples. https://muhammadamal.my.id/blog/observability-stack-2022/ Fri, 02 Sep 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/observability-stack-2022/ Self-host obs stack 2022: Prometheus + Grafana + Loki + Tempo + Alertmanager. Metrics, logs, traces. https://muhammadamal.my.id/blog/n8n-monitoring-production/ Fri, 27 May 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/n8n-monitoring-production/ Monitor n8n in prod: health checks, execution rates, Prometheus, log aggregation, useful dashboards. https://muhammadamal.my.id/blog/rust-structured-logging-tracing/ Wed, 23 Mar 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/rust-structured-logging-tracing/ Rust structured logging with tracing. Spans, events, request context, JSON output, production patterns. https://muhammadamal.my.id/blog/go-structured-logging-zap/ Fri, 21 Jan 2022 09:00:00 +0700 https://muhammadamal.my.id/blog/go-structured-logging-zap/ Structured logging in Go with zap. JSON output, request-scoped fields, sampling, and the pattern that survives production.