Best of Observability — March 2025

  1. 1
    Article
    Avatar of last9Last9·1y

    How to Set Up Logging in Node.js (Without Overthinking It)

    Proper logging in Node.js is critical for debugging, performance insights, security, and operational intelligence. The post outlines the importance of logging, recommends tools like Winston, Pino, and Morgan, and provides a guide to setting up and utilizing these libraries effectively. It also discusses advanced logging strategies, error handling, and integrations with visualization and monitoring tools like Last9, Kibana, and Grafana.

  2. 2
    Article
    Avatar of grafanaGrafana Labs·1y

    Grafana Drilldown: first-class OpenTelemetry support now available for metrics

    Grafana Labs has added first-class support for OpenTelemetry in its Metrics Drilldown tool. This integration allows users to seamlessly explore and filter metrics using OpenTelemetry resource attributes alongside Prometheus labels. The new features include automatic query writing, context-aware filtering, and a consolidated interface, significantly simplifying the process of gaining insights into distributed system performance.

  3. 3
    Video
    Avatar of codeheimcodeHeim·1y

    #79 Golang - Observability: Logging with Loki, Promtail & Grafana

    Enhance observability in Golang applications by setting up logging using Loki, Promtail, and Grafana. Learn how to collect and send logs to Loki with Promtail and visualize them in Grafana. The post explains the setup process, configuring a Go application to write logs, using Promtail for log collection, and using Grafana to visualize and analyze logs.

  4. 4
    Video
    Avatar of codeheimcodeHeim·1y

    #81 Golang - Observability: Logging with Loki, Alloy & Grafana

    Enhance observability in Golang applications by setting up logging using Loki and Grafana. Use Alloy to collect logs and send them to Loki, then visualize and analyze logs in Grafana. Details on setting up Grafana, configuring SLOG for logging, and steps to integrate logs from Alloy to Loki are provided along with some basic operations you can perform in Grafana.

  5. 5
    Article
    Avatar of last9Last9·1y

    Essential Prometheus Queries: Simple to Advanced

    Learn essential Prometheus queries from basic to advanced levels to effectively monitor and optimize your systems. This comprehensive guide covers practical examples, performance optimization techniques, and troubleshooting tips, ensuring you can deploy Prometheus effectively for real-world scenarios like Kubernetes pod monitoring, database query tracking, and dynamic baseline comparisons.

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