VVitaliiinwebmox.hashnode.dev·2h ago · 4 min readThe Cron Job That Silently Stopped and What I Do Differently NowLast month I found out a nightly database cleanup job on one of my projects hadn't run in 22 days. Twenty-two. The disk was at 94% when I noticed — not from an alert, from a customer complaining about00
VTVaibhav Tekamintech4biz-solutions.hashnode.dev·8h ago · 6 min readA Layer of Dust Can Cut Your Solar Output by 25%. Every solar plant already measures itself. The inverters report power output, temperature, lifetime energy, every few seconds, in a standard protocol most of them already speak. The data is sitting ri00
JAJoshi Annuinannujoshi.hashnode.dev·1d ago · 6 min readBuilding My First AI Observability Dashboard with SigNozIntroduction When I started learning about AI and building applications, my main goal was simple — I wanted to create something that actually works. Seeing my application process requests, complete ta00
HSHANZALA SALEEMinverid.hashnode.dev·1d ago · 16 min readAPI Monitoring vs Scraping: Why the Loop WinsIf you have ever set a cron job to hit a competitor's pricing page, parse the HTML, diff it against yesterday's copy, and email yourself when something looks different, you already know the punchline 00
MJMayank Jaininsyntax-soul.hashnode.dev·3d ago · 8 min readThe Single-Threaded Nature of Redis, In Depth — and How to Monitor ItIn Post 2, we introduced the fact that Redis executes commands on a single thread, and why that means throwing more vCPUs at it doesn't help. This post goes deeper: what actually runs where, which com00
VVitaliiinwebmox.hashnode.dev·5d ago · 3 min readWhy Status Codes Lie About Your Website's HealthA 200 OK means your server responded. It doesn't mean your site works. I learned this the hard way when a client's checkout page returned 200 for two days straight while displaying a blank white scree00
Jjasmineparkinjas-blogs.hashnode.dev·5d ago · 7 min readWe alerted on errors. The silent failure was a truncated answer. Every monitor was green. HTTP 200s, latency inside SLO, zero exceptions. Meanwhile users were getting half an answer and cut-off JSON, and nothing on our side had noticed, because a truncated completi00
VVitaliiinwebmox.hashnode.dev·5d ago · 2 min readWhy Your Cron Jobs Fail Silently and How to Fix ItEvery sysadmin has been there. You set up a cron job, verify the schedule with crontab -l, and walk away feeling productive. Three days later you realize it never actually did anything useful. The job00
ARAshitha Ravindraninepok.hashnode.dev·6d ago · 10 min read20 Kubernetes Failures You Should Be Alerting OnCrashLoopBackOff is the one everyone watches. Here are 20 Kubernetes failures — in logs and events — that actually deserve an alert. It's 3am and the dashboard is green. Checkout is timing out anyway,00
ARAshitha Ravindraninepok.hashnode.dev·6d ago · 8 min readSilent Failures: The Bug That Won't Page YouA silent failure is when a service stops logging and no alert fires. Here's how absence detection catches the bug that never throws an error. The webhook consumer died at 2:41am. OOM kill — the kernel00
