---
title: "Discussion on \"How to Scale a Backend Service: From SLOs to Load Testing to Horizontal Scaling\" | Hashnode"
description: "Discussion on \"How to Scale a Backend Service: From SLOs to Load Testing to Horizontal Scaling\". An end-to-end path from SLIs and error budgets to k6, the knee of the curve, headroom, N+1, and autoscaling."
url: "https://hashnode.com/posts/how-to-scale-a-backend-service-from-slos-to-load-testing-to-horizontal-scaling/6abf91c2fa48009acc8fa8b0"
---

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# [How to Scale a Backend Service: From SLOs to Load Testing to Horizontal Scaling](https://kareemdev.hashnode.dev/how-to-scale-a-backend-service-from-slos-to-load-testing-to-horizontal-scaling?utm_source=hashnode&utm_medium=feed)

An end-to-end path from SLIs and error budgets to k6, the knee of the curve, headroom, N+1, and autoscaling.

Oct 2 · 33 min read · kareemdev.hashnode.dev  
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## Written by

[Kareem Ashraf](https://hashnode.com/@kareemashraf)

@kareemashraf · Alexandria, egypt

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

Software Engineer

Passionate learner and problem solver, sharing insights and lessons from the projects and challenges I tackle throughout my career 🤓

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