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MTMRIDUL TIWARImriduliti.hashnode.dev6d ago · 7 min read

We tagged EKS workers like app servers — and Prometheus started scraping telegraf on nodes that never had it

The Telegraf Down alerts started piling up on a Thursday morning, and at first glance it looked bad. Nine targets, all critical, all under the same rule name. My first instinct was a fleet-wide agent

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SKSushanth Kamabathulablundersnbuilds.hashnode.devSep 11 · 3 min read

PostHog vs. Prometheus and Grafana Was a Category Mistake

They weren't competing for the same job, and I spent longer than I should have comparing them like they were. I spent a while trying to figure out which telemetry stack to pick for a side project, Pos

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PSPuneet Singhfreecodecamp.orgSep 4 · 29 min read

Claude Code Observability with OpenTelemetry

Agentic coding tools like Claude Code, OpenAI Codex, Google Antigravity, and Cursor have become ubiquitous for everyday software development. As agentic systems mature, much of the work developers hav

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GYGulshan Yadavmrgulshanyadav.hashnode.devAug 28 · 5 min read

OpenTelemetry vs Prometheus: Why You Almost Certainly Need Both

This gets framed as a choice, and it mostly isn't one. They occupy different layers, and a normal production setup runs both. Understanding why saves a lot of wasted migration effort. What each one ac

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LSLiviu Stirbblog.blockingqueue.comAug 27 · 10 min read

A short crash course on metrics: gauges, counters, and histograms

The metric type you pick is a promise about how the number behaves over time. Pick the wrong one and everything you build on top of it breaks silently. No error, no warning, just a graph that stops ma

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PUPurity Udehfreecodecamp.orgAug 22 · 10 min read

How to Convert Prometheus Histograms to OTLP with the OpenTelemetry Collector

Modern applications often expose metrics at a /metrics endpoint using the Prometheus format. Among these metrics, histograms are particularly useful. They show how often values fall into different ran

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KMKrishnam Murarkaedilec-engineering.hashnode.devAug 21 · 3 min read

A Trace ID in Your Metrics Is Not a Link to a Trace

Prometheus exemplars are the shortest path from "the slow tail on this route moved at 14:10" to one specific request. The histogram sample carries a bounded reference, usually a trace ID, and the dash

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IHIsreal Hogansudohogan.hashnode.devAug 12 · 6 min read

Observability as Code: Stop clicking and Start Committing

If you've ever set up a monitoring dashboard by hand; clicking through a UI, dragging panels around, tweaking a query, saving, refreshing, tweaking again then you already know the pain this article is

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YByogesh bishtyogesh-bisht.hashnode.devAug 11 · 19 min read

Your Production System Is Still Flying Blind. Here's How I Gave It Eyes, No AWS Required.

Part of an ongoing series on turning a URL shortener into a production-grade system. Code for this post is tagged phase-2-observability on GitHub. Phase 1 left the URL shortener segmented, replicated

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AKAnusha Kothacloudtalkswithanusha.hashnode.devAug 9 · 7 min read

How to Implement Alertmanager with Prometheus: A Beginner-Friendly Step-by-Step Guide

Introduction In a real production environment, applications run 24/7. As a DevOps Engineer, it is impossible to continuously monitor every server manually. Imagine your application server suddenly run

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#prometheus

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Trending tags this week

We tagged EKS workers like app servers — and Prometheus started scraping telegraf on nodes that never had it

PostHog vs. Prometheus and Grafana Was a Category Mistake

Claude Code Observability with OpenTelemetry

OpenTelemetry vs Prometheus: Why You Almost Certainly Need Both

A short crash course on metrics: gauges, counters, and histograms

How to Convert Prometheus Histograms to OTLP with the OpenTelemetry Collector

A Trace ID in Your Metrics Is Not a Link to a Trace

Observability as Code: Stop clicking and Start Committing

Your Production System Is Still Flying Blind. Here's How I Gave It Eyes, No AWS Required.

How to Implement Alertmanager with Prometheus: A Beginner-Friendly Step-by-Step Guide