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VViktorwarrenops.hashnode.dev11h ago · 7 min read

Alerting when a RabbitMQ queue has no consumers

Originally published at warrenops.io. A queue with messages and zero consumers is the quietest outage there is. Nothing errors. Producers publish happily. The dashboard shows the broker green. Then th

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YYuvraj.Rbuild-break-fix-diaries-with-yuvrajj.hashnode.dev6d ago · 5 min read

Prometheus 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.

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RBranga bashyamranga-blog.hashnode.devSep 19 · 16 min read

Nobody Cares About Your Stack Until Something Breaks

Six things I learned writing and rewriting alert rules for systems that were already live, already watched, and still surprising people anytime On Grafana alerting, PromQL, and the difference between

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AKAvyay Kachhiaavyay-dev.hashnode.devSep 18 · 18 min read

Building PrismQTC: How I Built an Autonomous B2B Quote-to-Cash & Pricing Governance Platform

Most B2B software treats sales as a sequence of isolated, static records: a quotation generated as an un-editable PDF, followed by disconnected email chains, manual margin approvals in spreadsheets, d

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MTMRIDUL TIWARImriduliti.hashnode.devSep 12 · 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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#prometheus

Explore Hashnode

Trending tags this week

Alerting when a RabbitMQ queue has no consumers

Prometheus vs Grafana: What Does Each Tool Actually Do ?

Nobody Cares About Your Stack Until Something Breaks

Building PrismQTC: How I Built an Autonomous B2B Quote-to-Cash & Pricing Governance Platform

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