---
title: "reliability"
lang: "en"
author: "Mohammad Abu Mattar"
canonical: https://mkabumattar.com/case-studies/categories/reliability
---

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# Reliability

[Home](/)›[All Case Studies](/case-studies)›[All Categories](/case-studies/categories)›[Reliability](/case-studies/categories/reliability)

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# Reliability

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[![Taming a 3am Pager: SLOs and Error Budgets That Stuck](/_astro/hero.an3xFV8m_q9tWb.webp)](/case-studies/post/slo-error-budget-rollout-case-study)

## [Taming a 3am Pager: SLOs and Error Budgets That Stuck](/case-studies/post/slo-error-budget-rollout-case-study)

-   [Reliability](/case-studies/categories/reliability)
-   [DevOps](/case-studies/categories/devops)
-   29 Aug 2026
-   07 Mins read

A platform team was losing people to burnout, and the cause was the pager. On-call meant a phone that went off day and night with alerts about CPU, memory, and pod restarts, the overwhelming majority

[#SLO](/case-studies/tags/slo)[#Error Budget](/case-studies/tags/error-budget)[#SRE](/case-studies/tags/sre)+4 tags

[Read Case Study](/case-studies/post/slo-error-budget-rollout-case-study)

[![Multi-Region Active-Active for a Payments API](/_astro/hero.RPbRRCdE_flG0g.webp)](/case-studies/post/multi-region-active-active-payments)

## [Multi-Region Active-Active for a Payments API](/case-studies/post/multi-region-active-active-payments)

-   [Architecture](/case-studies/categories/architecture)
-   [Cloud Computing](/case-studies/categories/cloud-computing)
-   16 Aug 2026
-   06 Mins read

A payments API that moves real money had been running comfortably in a single AWS region for years. It was reliable until the day it was not: a regional control-plane incident took the whole service o

[#Multi Region](/case-studies/tags/multi-region)[#Active Active](/case-studies/tags/active-active)[#Payments](/case-studies/tags/payments)+5 tags

[Read Case Study](/case-studies/post/multi-region-active-active-payments)