AWApogee Watcherindevlog.apogeewatcher.com·9h ago · 6 min readIs Vercel Speed Insights enough for Core Web Vitals monitoring?Agencies often turn on Vercel Speed Insights for a Next.js client, see route-level Core Web Vitals, and assume monitoring is “done.” For that Vercel project, the product is genuinely useful. For a boo00
JSJayesh Sojitrainjayesh-sojitra.hashnode.dev·1d ago · 4 min readCloudWatch Explained: Metrics, Logs, and AlarmsCloudWatch is AWS's monitoring service, but "monitoring" covers three genuinely different things — metrics, logs, and alarms — that work together but solve different problems. Confusing them is why te00
YYuvraj.Rinbuild-break-fix-diaries-with-yuvrajj.hashnode.dev·1d ago · 5 min readPrometheus vs Grafana: What Does Each Tool Actually Do ? When I started learning DevOps and Kubernetes, I came across two tools very often: Prometheus and Grafana. At first, I was confused about what each tool actually does and why they are used together. 00
VVitaliiinwebmox.hashnode.dev·1d ago · 2 min readWhy Uptime Monitoring Alone Isn't EnoughYour uptime monitor says everything is fine. The site returns 200. Response time is under 500ms. All green. Meanwhile, your checkout button is hidden behind a broken modal. Your hero image is serving 00
SSSarmeet Singhinblueprintsofscale.hashnode.dev·4d ago · 47 min readWhat Broke at 3 AM: Observability, p99, and Useful Alerts, Explained Like You're NewThe page comes at 3:07 AM: "the site is slow." You open the dashboards. CPU: fine. Memory: fine. Error rate: flat. Every graph is green, and the site is still slow. Three engineers stare at the same s00
SSourceBentoinsourcebento.hashnode.dev·Sep 25 · 3 min readA cron job can exit successfully and still fail your business workflowA scheduled process can exit with code zero while the business task is still incomplete. A backup script may finish before its upload is durable. An import may return successfully after skipping every00
SHSanskriti Harmukhinvultr.hashnode.dev·Sep 23 · 6 min readDeploying Uptime Kuma - Self-Hosted Status Page and Monitoring ToolUptime Kuma is a self-hosted monitoring tool that tracks the availability of websites, APIs, TCP ports, DNS records, and other services. It provides a clean dashboard to display uptime metrics and tri00
ANAyush Nigaminayushnigam.hashnode.dev·Sep 20 · 13 min readObservability for SDETs: Logs, Traces, and Metrics That Actually MatterOne of the most frustrating test failures I’ve dealt with looked almost trivial at first. An end-to-end test was running in our CI pipeline. It opened the application, submitted a form, and waited for00
RPRitom Puzariinpuzaricloud.hashnode.dev·Sep 19 · 5 min readSee every API your server calls (and every call it receives) without changing a line of codeInstrumenting an application for APM means picking a vendor SDK, adding it to every service, redeploying, and hoping the framework version is supported. There is an older trick that gets you most of t00
RPRitom Puzariinpuzaricloud.hashnode.dev·Sep 19 · 4 min readGet alerted before an SSL certificate expires (the three checks that actually matter)Let's Encrypt made certificates free and short-lived. It did not make them renew themselves. Renewal fails silently when a DNS record changes, a firewall rule blocks port 80, a cron job stops, or some00
