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CNCF-hosted Co-located Events Europe 2025 taking place on 1 April. This event is happening in person at Excel London in London, England.

The Sched app allows you to build your schedule, but is not a substitute for your event registration. You must be registered for KubeCon + CloudNativeCon Europe 2025, and have an All-Access pass in order to participate in the sessions.

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The schedule is subject to change.
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⚡ Lightning Talk: Upgrading Linkerd With Flux - James Johnstone & Haydn Stokes, Compare the Market
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 3 | ICC Capital Suite 14-16
Flux is a great GitOps tool, and like any great GitOps tool, it can handle in-place upgrades without breaking a sweat – but things can be different when across breaking changes, and especially when jumping by two major versions at once! That's the situation that Compare the Market faced in 2024: going from Linkerd 2.14.10 to Linkerd 2.16.0 in a single step using Flux... all while keeping secrets out of Git.

In this session, you'll get a good look behind the curtain at what the upgrade involved, what went well, and what caused some pain. You'll hear about where the documentation fell short, where the gotchas were lurking, and why it took 13 experiments with ephemeral clusters to get to the point that the platform engineers were able to pull the trigger one evening, and have a quiet morning at work the next day!
Speakers
JJ

James Johnstone

Compare the Market
avatar for Haydn Stokes

Haydn Stokes

Cloud Platform Engineer, Compare the Market
Haydn is a cloud platform engineer at Compare the Market, specialising in Kubernetes and service mesh technologies. With experience in implementing and upgrading Linkerd in production environments, Haydn has worked on optimising observability, enhancing security, and streamlining... Read More →
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Linkerd in practice

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