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An update on GitHub availability (github.blog)

421 points by salkahfi · 124 days ago · 250 comments on HN

Article summary

GitHub has experienced recent incidents affecting its availability, prompting the company to improve its reliability and failover capabilities. To address this, GitHub started executing a plan to increase its capacity by 10X in October 2025, with a goal of substantially improving reliability. The company is also working on a path to multi-cloud, which may indicate that Microsoft is not able to get acceptable reliability from Azure. GitHub's growth is driven by the rapid change in how software is being built, with a sharp acceleration in agentic development workflows since December 2025.

Main themes

  • GitHub availability
  • Cloud infrastructure
  • Multi-cloud strategy
  • Azure reliability
  • Software development trends

What commenters say

  • Microsoft's decision to move GitHub to Azure may have been driven by a desire for vendor independence, but it has led to reliability issues.
  • Using multiple cloud providers can help mitigate the risks of relying on a single vendor, but it may not be the best solution for GitHub's specific needs.
  • The concept of multi-cloud is a response to the limitations of individual cloud providers, and it may become increasingly important as AI-generated code continues to grow.
  • Azure's inability to handle GitHub's load is a significant issue, and it may be a result of Microsoft's internal priorities and management structure.
  • The idea of converting GitHub's data centers into Azure data centers that have GitHub as their sole customer is not a viable solution, as it would still rely on Azure's infrastructure.
  • The growth of AI-generated code is driving the need for more robust and reliable cloud infrastructure, and GitHub's experiences with Azure are a cautionary tale for other companies.
  • The use of multiple cloud providers is a common strategy for large enterprises, but it requires careful planning and management to ensure that it is effective.
  • The discussion around GitHub's availability and Azure's reliability highlights the challenges of building and maintaining complex cloud infrastructure, and the need for companies to prioritize reliability and scalability.