Pearl Rathour·1d agoUnderstanding New Relic, Grafana, and Splunk: An SDE’s Guide to ObservabilityModern distributed systems generate enormous amounts of telemetry data. When an incident occurs in production, engineers need answers…
intelligentLearn·2d agoWhat good inference looks like: promises and measurementsAn inference service is good when it keeps a stated promise to a stated kind of work at a known cost. Before anything is optimized: what is…
InLet’s Code FuturebyRyan Sullivan·3d agoCore 4 made PRs per engineer a health metric in January 2025, and agents just made it the most…On January 14, 2025, Lenny’s Newsletter published “Introducing Core 4: The best way to measure and improve your product velocity,” a guest…
Evan Burbidge·3d agoPart 1: Event Ingestion and Live DAU/MAU TrackingA practical guide to collecting millions of events, processing them with Kafka and Flink, and estimating unique users with HyperLogLog.
InSalt IndexbyAndrei-Nicusor Covalescu·5d ago3.5 Million Accounts Nobody Asked For: Goodhart’s Law and the Case for Paired MetricsWells Fargo's "Eight is Great" and England's eight-minute ambulance target show how good numbers go bad, and the simple fix Andy Grove…
Taofeeq A. Bello·5d agoA fairer engineer rating: why we stopped counting bug tasksWhat a “closed tasks” number rewards, and the small formula that replaced it
Aristosourcing·6d ago8 Metrics to Measure Your GHL Virtual AssistantHow do you know your GoHighLevel VA is doing a great job? “Things seem fine” doesn’t cut it, especially when one broken workflow can…
InLevel Up CodingbySriram Mahalingam·Oct 28Your Blood Report Is a Grafana Dashboard Nobody ConfiguredFifteen metrics, no alerts, no SLOs, no thresholds. I looked at my CBC report and felt exactly like a developer staring at a monitoring…
InTowards AIbyGurpreet Deol·Oct 28Accuracy Is Not Enough: Five Metrics StoriesAccuracy is the easiest metric to understand and one of the easiest to be fooled by. Five small, worked examples show why precision…
Tayfun Yirdem·Oct 26Metric ManagementA metric is a number that measures something. “Daily active users” is a good example. This number tells us how the product is doing. Teams…
