Alerting on YennJ12 Engineering Bloghttps://yennj12.js.org/yennj12_blog_V4/tags/alerting/Recent content in Alerting on YennJ12 Engineering BlogHugo -- gohugo.ioen-usSat, 17 Jan 2026 11:00:00 +0800Kubernetes Autoscaling Complete Guide (Part 4): Monitoring, Alerting & Threshold Tuninghttps://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part4-monitoring-alerting/Sun, 09 Nov 2025 18:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part4-monitoring-alerting/Part 4 of the Kubernetes Autoscaling series: Complete guide to monitoring EKS autoscaling with Prometheus and Grafana. Includes CDK setup, alerting rules, custom dashboards, and threshold tuning strategies for production-grade observability.Building Centralized Grafana + Prometheus Monitoring with AWS CDK: Multi-Service Observability Platformhttps://yennj12.js.org/yennj12_blog_V4/posts/centralized-grafana-prometheus-monitoring-aws-cdk/Sat, 17 Jan 2026 11:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/centralized-grafana-prometheus-monitoring-aws-cdk/Comprehensive guide to architecting a production-ready centralized Prometheus + Grafana monitoring platform using AWS CDK that aggregates metrics from multiple services, clusters, and infrastructure components with federation, remote storage, and advanced alerting.Building a Centralized Monitoring System with AWS CloudWatch and Grafana using CDKhttps://yennj12.js.org/yennj12_blog_V4/posts/centralized-monitoring-system-aws-cloudwatch-grafana-cdk/Sun, 30 Nov 2025 14:00:00 +0000https://yennj12.js.org/yennj12_blog_V4/posts/centralized-monitoring-system-aws-cloudwatch-grafana-cdk/🎯 Introduction In distributed systems running on AWS, observability is critical for maintaining reliability, debugging issues, and ensuring optimal performance. A centralized monitoring system provides: Unified Visibility: Single pane of glass for all services, applications, and infrastructure Proactive Alerting: Detect and respond to issues before they impact users Performance Optimization: Identify bottlenecks and optimization opportunities Cost Management: Track resource utilization and spending patterns Compliance: Meet audit and regulatory requirements for logging Troubleshooting: Quickly diagnose and resolve production issues This comprehensive guide demonstrates how to build a production-ready centralized monitoring system using AWS CloudWatch and Grafana, deployed with CDK (TypeScript).