Inside the architecture: How Upsun delivers 99.99% uptime for AI
Blog post from Upsun
Upsun achieves 99.99% uptime for its AI Platform as a Service (PaaS) by implementing modern infrastructure practices that ensure high availability, performance consistency, and data integrity. The platform has moved from static clusters to dynamic horizontal scaling, enabling applications to run across multiple container instances, with an automated system that detects failures and reroutes traffic to healthy instances. To address the risks of shared cloud environments, Upsun offers Guaranteed Resource Profiles, providing dedicated CPU and RAM allocations, ensuring consistent performance for compute-heavy tasks. Operational reliability is further enhanced through Read-Only Containers, which prevent unauthorized modifications by deploying immutable container images. Upsun's automated health monitoring and edge shielding protect against DDoS attacks, while an integrated backup system ensures data recovery with customizable retention policies and near-zero downtime capabilities. By automating these processes, engineering teams can focus on product logic rather than infrastructure maintenance, ensuring AI systems remain reliable and effective.
| Trend | Post Mentions | Total Month Mentions | Posts | Companies | MoM |
|---|---|---|---|---|---|
| AI Agents | 4 | 3,583 | 743 | 199 | -1% |
| LLM | 2 | 5,138 | 781 | 181 | +34% |
| Kubernetes | 1 | 1,380 | 245 | 88 | +48% |
| Loop engineering | 1 | 27 | 20 | 14 | -13% |
| RAG | 1 | 1,727 | 253 | 82 | +103% |
| Vector Search | 1 | 2,212 | 422 | 133 | +33% |
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