SREday

Site Reliability, DevOps and Cloud

October 22, 2026 Google for Startups Campus, Warsaw, Poland

1
Day
20+
Speakers
2
Tracks
100+
Attendees

Is Istio Service Mesh Still Worth the Money in the AI Era?

Marek Smigielski
IN Groupe
Abstract

Do you have a service mesh running in your cluster, or are you considering Istio and wondering whether the benefits justify another layer of complexity? As AI speeds up prototyping and application changes, SREs have more to do than ever.

Let's examine where a service mesh helps, and when it simply gives you more infrastructure to maintain.

We’ll look under the hood, then explore how its observability capabilities help you understand service dependencies and troubleshoot traffic, including calls leaving your cluster.

We’ll also examine where Istio fits into rapid experimentation: A/B testing, blue-green deployments, shadow traffic, and recovering when a new component misbehaves.

If you wonder what a service mesh is, or if you are simply lost with your cluster traffic, this session is for you!

Bio

Marek Śmigielski is a System Architect at IN Groupe. His almost 25-year career spans various IT roles—from software development and production support to product management—giving him a broad perspective on building and operating software. With an SRE (Site Reliability Engineering) mindset, Marek brings the realities of running production software into architectural decisions. He focuses on making complex systems easier to understand and maintain.

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