---
title: "Discussion on \"Observability Without the Invoice: An SRE's Open Source APM Experiment\" | Hashnode"
description: "Discussion on \"Observability Without the Invoice: An SRE's Open Source APM Experiment\". What eBPF, Grafana's LGTM stack, and k6 can — and can't — replace from Dynatrace and Datadog"
url: "https://hashnode.com/posts/observability-without-the-invoice/6a508d07a9902350c5c02aa9"
---

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# [Observability Without the Invoice: An SRE's Open Source APM Experiment](https://o11y-lab.hashnode.dev/observability-without-the-invoice?utm_source=hashnode&utm_medium=feed)

What eBPF, Grafana's LGTM stack, and k6 can — and can't — replace from Dynatrace and Datadog

Jul 10 · 5 min read · o11y-lab.hashnode.dev  
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## Written by

[Aravind R](https://hashnode.com/@aravindr31)

@aravindr31

  
[View profile](https://hashnode.com/@aravindr31)

Platform Engineer | SRE @QVC

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