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How to Detect Event Loop Freezes in Node.js

How to Detect Event Loop Freezes in Node.js

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2 min read
The 95th percentile is a Gaussian constant, and it moves the wrong way

The 95th percentile is a Gaussian constant, and it moves the wrong way

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8 min read
Installing Nagios on Ubuntu 24.04

Installing Nagios on Ubuntu 24.04

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3 min read
Your backlog alarm is an accumulation statistic

Your backlog alarm is an accumulation statistic

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8 min read
Self-Hosting Like a Pro, Part 4: Monitoring with Prometheus, Grafana and Loki, plus a CI/CD Pipeline That Actually Works

Self-Hosting Like a Pro, Part 4: Monitoring with Prometheus, Grafana and Loki, plus a CI/CD Pipeline That Actually Works

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6 min read
Your test's OOM kill and a real one look identical — stop telling them apart by size

Your test's OOM kill and a real one look identical — stop telling them apart by size

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5 min read
My scheduled task reported "success" every 5 minutes for 3 weeks. The process inside it had been crashing the whole time.

Comments reveal multiple ways monitoring can lie

My scheduled task reported "success" every 5 minutes for 3 weeks. The process inside it had been crashing the whole time.

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3 min read
Monitoring Docker Containers with Grafana Alloy and cAdvisor

Monitoring Docker Containers with Grafana Alloy and cAdvisor

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3 min read
Observability: Understanding Your System Through Logs, Metrics, Traces & Monitoring

Observability: Understanding Your System Through Logs, Metrics, Traces & Monitoring

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6 min read
Self-Hosting Your Ops Stack on One VPS: Metrics, Errors, CI and Backups Without a SaaS Bill

Self-Hosting Your Ops Stack on One VPS: Metrics, Errors, CI and Backups Without a SaaS Bill

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8 min read
Fix Silent Loki SSH Brute-Force Detection Gaps in Grafana

Fix Silent Loki SSH Brute-Force Detection Gaps in Grafana

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7 min read
Alarmas que despiertan por causa real, no por un nĂşmero random

Alarmas que despiertan por causa real, no por un nĂşmero random

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9 min read
The Kill Switch: Auto-Pause Runaway AI Agents Before They Burn Your Budget

The Kill Switch: Auto-Pause Runaway AI Agents Before They Burn Your Budget

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2 min read
Reproduce SQLite WAL Checkpoint Starvation With One Forgotten Reader

Reproduce SQLite WAL Checkpoint Starvation With One Forgotten Reader

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2 min read
Cron Jobs Fail Quietly. Here’s the Monitoring Setup I’d Use First

Cron Jobs Fail Quietly. Here’s the Monitoring Setup I’d Use First

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3 min read
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