DJDivyanshu Jhainhow-to-identify-the-metric-that-actually-matters.hashnode.dev·May 31 · 4 min readHow to Identify the Metric That Actually MattersIn today's data-rich world, most product teams don't suffer from a lack of metrics—they suffer from an abundance of them. Daily Active Users, retention rates, conversion rates, feature adoption, NPS, 00
SPSancharini Pandaincommunity.keploy.io·Nov 10, 2025 · 10 min readHow to Use Software Testing Metrics to Drive Better QA Decisions?Why do some QA teams consistently deliver reliable and high-quality software, while others toil to identify bugs and experience unstable releases? The real difference often is related to how easily the team is able to use software testing metrics to ...00
OMOlivia Madisoninphpapm.hashnode.dev·Nov 7, 2025 · 9 min readTop Metrics Every Engineer Should Monitor in ProductionIf you’ve ever deployed an application to production, you know the sinking feeling that comes with a PagerDuty alert at 3 AM. It’s not the alert itself that hurts, it’s the uncertainty. What went wrong? Is it the database? The network? A slow API? A ...00
RGRodney Grahaminmakemoneywithrod.hashnode.dev·Oct 14, 2025 · 6 min readThe Beginner’s Guide to Blog Analytics: Tracking What Really MattersWhen you first start blogging, it’s easy to focus on what feels exciting: writing new posts, designing your site, and watching the first few visitors trickle in. But as time goes on, you might find yourself wondering, “Is this actually working?” That...00
TSTarun Sharmaintapstechie.hashnode.dev·Sep 11, 2025 · 4 min read📊 Metrics in System Design (Part 1 of Observability Series)Introduction: Why Metrics Matter Imagine you’re running an API for an e-commerce checkout system. Users are complaining that "checkout feels slow." Your dashboard shows CPU usage is fine. What’s wrong? Without metrics, you’d be guessing in the d...00
TSTarun Sharmaintapstechie.hashnode.dev·Sep 11, 2025 · 4 min read📝 Logs in System Design (Part 2 of Observability Series)Introduction: Why Logs Matter Imagine you’re running a Payment API. Metrics tell you: “Error rate = 5% in the last 10 minutes.” But metrics don’t tell you why. To debug, you need logs — the detailed “story” of what happened inside your system. Lo...00
TSTarun Sharmaintapstechie.hashnode.dev·Sep 11, 2025 · 4 min read🔍 Tracing & 🚨 Alerting in System Design (Part 3 of Observability Series)Introduction: Why Metrics & Logs Aren’t Enough Imagine you’re debugging a checkout flow in an e-commerce system: Metrics say latency has spiked. Logs show database timeouts. But you don’t know: Which request was slow? Which service in the chain ca...00
OSOnkar Sabaleinonkarsdev.hashnode.dev·Apr 20, 2025 · 8 min read🔍Ultimate Guide to OpenTelemetry for Node.js: Tracing and Metrics ExplainedIn cloud-native environments, it's crucial to have visibility into your services' performance and behavior. OpenTelemetry provides a standardized framework for collecting traces, metrics, and logs, which can help you monitor the health of your applic...00
LSLakhan Samaniinlakhansamani.hashnode.dev·Mar 11, 2025 · 5 min readImplementing monitoring and alerting for distributed system - Part 6Introduction In Part 5, we implemented the tracing in userd & orderd services. In a distributed system, tracing helps follow a request's journey across services, while metrics play a crucial role in observability by providing visibility into system b...00
NYNamito Yokotainblogs.namitoyokota.com·Mar 5, 2025 · 6 min readMonitoring user interactions with DataDog RUMObjective We recently implemented a data export feature that allows users to retrieve specific reports by selecting an option via radio buttons. To assess the feature's adoption and understand user preferences, we needed a way to track how often user...00
