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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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Venue: Level 1 | Hall Entrance S10 | Room B clear filter
Tuesday, April 1
 

09:00 BST

Observability Day | Welcome + Opening Remarks
Tuesday April 1, 2025 09:00 - 09:05 BST
Level 1 | Hall Entrance S10 | Room B
Tuesday April 1, 2025 09:00 - 09:05 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day

09:10 BST

Observability Day | Project Updates
Tuesday April 1, 2025 09:10 - 09:55 BST
Level 1 | Hall Entrance S10 | Room B
Tuesday April 1, 2025 09:10 - 09:55 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day

10:00 BST

Sponsored Keynote: The Future of Observability: Trends, AI, and New Relic’s Vision for a Smarter Stack - Harry Kimpel, New Relic
Tuesday April 1, 2025 10:00 - 10:05 BST
Level 1 | Hall Entrance S10 | Room B
As cloud-native development accelerates, observability is no longer a nice-to-have, but a necessity. This session explores key trends shaping the observability space, including the role of AI in transforming monitoring practices, the rise of open standards like OpenTelemetry, and how platforms like New Relic are adapting to meet the needs of developers and SREs to monitor traffic, microservices and cloud infrastructure or your AI/LLM integrations. Join us for a brief overview into the future of observability and how to stay ahead in a rapidly evolving industry
Speakers
avatar for Harry Kimpel

Harry Kimpel

Principal Developer Relations Engineer, New Relic
Passionate software craftsman with 25+ years experience in a broad spectrum of development technologies and platforms. Main focus on cloud-native software architectures and all major cloud environments. Passion for model-driven development, application modernization and Dapr. Observing... Read More →
Tuesday April 1, 2025 10:00 - 10:05 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day

10:10 BST

Sponsored Keynote: TBA, Chronosphere
Tuesday April 1, 2025 10:10 - 10:15 BST
Level 1 | Hall Entrance S10 | Room B
Tuesday April 1, 2025 10:10 - 10:15 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day

10:45 BST

Operationalizing Observability: The Invisible Parts - Hazel Weakly, Nivenly Foundation
Tuesday April 1, 2025 10:45 - 11:10 BST
Level 1 | Hall Entrance S10 | Room B
Observability is increasingly becoming a differentiator in developer experience and in sustaining system health. Despite this, vendor bills are higher than ever, infrastructure budgets are lower, and the ROI is increasingly harder to sell.

Join Hazel in this talk as she takes you through:
- What it takes to get buy-in, what what that looks like, and when to not
- What happens after procurement: Going from zero to day one
- Achieving ROI beyond the engineering function

This talk will be be packed full with actionable insights for employees wanting to implement observability, vendors wanting to sell, and OSS projects working to make the system better.
Speakers
avatar for Hazel Weakly

Hazel Weakly

Fellow, Nivenly Foundation
Hazel spends her days working on building out teams of humans as well as the infrastructure, systems, and tooling to make life better for others. She’s worked at a variety of companies and knows that the hardest problems to solve are the social ones. One of her favorite things is... Read More →
Tuesday April 1, 2025 10:45 - 11:10 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Making a Case for Observability Within Your Organization

11:20 BST

Observability by Design: Leveraging OpenTelemetry Weaver To Take Control of Your Observability - Josh Suereth, Google & Laurent Querel, F5
Tuesday April 1, 2025 11:20 - 11:45 BST
Level 1 | Hall Entrance S10 | Room B
Ever curious what labels are on a metric or trace, but can't find the documentation? Ever upgrade a service and find all your observability dashboards and alerts broken? Ever wish you had a tool to prevent developers or OpenTelemetry Collector config from breaking the signals you rely on?

In this talk we'll show how OpenTelemetry Weaver solves these problems. OpenTelemetry Weaver is the tool which powers OpenTelemetry Semantic Conventions.

This session will explore how to use OpenTelemetry Weaver to:
- Define your Observability signals
- Automatically generate documentation, code and tests, etc.
- Enforce compatibility guarantees
- Extended for your own needs
Speakers
avatar for Josh Suereth

Josh Suereth

Staff Software Engineer, Google
An enthusiastic supporter of Open-Source, Modern Application design and hipster programming languages. Previously, the author of Scala In Depth, I'm currently involved in OpenTelemetry technical committee, driving the Semantic Conventions effort. I spend my off hours on Scala and... Read More →
avatar for Laurent Querel

Laurent Querel

Distinguished Engineer, F5
Author of the OpenTelemetry Protocol with Apache Arrow Specification. Maintainer of the OTel Arrow repository. Author of the Application Telemetry Schema Specification and maintainer of the OTel Weaver project.
Tuesday April 1, 2025 11:20 - 11:45 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Uses of Open Source Tooling to Achieve Observability

12:55 BST

Encrypted Telemetry in Transit - Jason Plumb, Splunk
Tuesday April 1, 2025 12:55 - 13:20 BST
Level 1 | Hall Entrance S10 | Room B
In some high-security or compliance-regulated environments, we sometimes need to guarantee that data is encrypted while in transit. In this talk, we will show you how to accomplish this using existing off-the-shelf OpenTelemetry components. We will walk you through the detailed technical process generating certificates and configuring the Collector to receive encrypted telemetry from the OpenTelemetry Java Instrumentation agent.
Speakers
avatar for Jason Plumb

Jason Plumb

Software Engineer, Splunk
Jason Plumb (he/him) is a hacker, artist, experimenter, polyglot programmer, and dad from Portland, OR, USA. He is co-maintainer of OpenTelemetry Android and an approver in various OpenTelemetry java projects. When not at work, Jason volunteers with Futel to install and maintain a... Read More →
Tuesday April 1, 2025 12:55 - 13:20 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Uses of Open Source Tooling to Achieve Observability

13:30 BST

SLOs as an Organisational 'Check Engine' Light - Cail Young, Octopus Deploy
Tuesday April 1, 2025 13:30 - 13:55 BST
Level 1 | Hall Entrance S10 | Room B
In this talk, Cail will explore a multi-year process of how the Octopus Deploy team tried to tame the reliability of the 18,000+ CI tests for their monolithic product. We begin with a company just starting to rapidly grow, and will end with a warts-and-all look at how SLOs not only tell you when action is required, but also when the right thing to do is sit back and watch things fail. We'll talk about goal conflicts, prioritisation, safety models, and professional growth.
Speakers
avatar for Cail Young

Cail Young

Senior SRE, Octopus Deploy
Cail has spent the last couple of decades working at the intersection of people and technology: in the performing arts, in the motion picture industry, and now in the field of software operations. He is fascinated by learning from incidents - large and small - and will gladly trade... Read More →
Tuesday April 1, 2025 13:30 - 13:55 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Interesting Use Cases for Observability

14:05 BST

Putting the Experience in UX: The Importance of Making Data Accessible - Adriana Villela, Dynatrace & Tim Banks, Caylent
Tuesday April 1, 2025 14:05 - 14:30 BST
Level 1 | Hall Entrance S10 | Room B
Every organization, regardless of what they do, collects and relies on data. Our focus on Observability has largely been relegated to software engineering, operations, and other IT-focused roles. As such, data needs for sales, marketing, finance, HR, support, and other roles and groups are often overlooked or feel inaccessible to them. It only takes a good experience with something to change your relationship with it.

In this talk, Adriana and Tim will use real-life experiences and everyday examples to show how giving people a good experience with something with which they are unfamiliar can ignite a curiosity and appreciation. They will also explain why giving these experiences to everyone who collects and utilizes data can allow them to leverage it in new ways, unlocking new insights, new innovations, new approaches to everything they do.
Speakers
avatar for Adriana Villela

Adriana Villela

Principal Developer Advocate, Dynatrace
Adriana Villela is a Principal Developer Advocate, helping companies achieve reliability greatness through Observability, SRE, & DevOps practices. Previously, she managed a Platform Engineering team & an Observability Practices team at Tucows. Adriana has worked at various large-scale... Read More →
avatar for Tim Banks

Tim Banks

Staff Solutions Architect, Caylent
Tim’s tech career spans over 25 years through large corporate environments and in small startups, honing his skills in systems administration, automation, architecture, and operations for large cloud-based datastores. Today, Tim leverages his years in data, DevOps, and Site Reliability... Read More →
Tuesday April 1, 2025 14:05 - 14:30 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Interesting Use Cases for Observability

14:40 BST

Transmissions From the Tweet Factory: How Observability Transformed Mobile Performance at Twitter - Hanson Ho, Embrace
Tuesday April 1, 2025 14:40 - 15:05 BST
Level 1 | Hall Entrance S10 | Room B
Twitter realized a decade ago that the biggest performance issues impeding usage occurred outside its data centers. But observability, taken for granted by backend devs and SREs, didn’t exist meaningfully on Android and iOS. Issues that don’t show up in profilers or end in crashes were practically invisible.

Stone by stone, the team built tooling that performantly and judiciously extracted telemetry on the client side. Using this newly discovered treasure trove of failure points and bottlenecks, performance was greatly improved – and in a verifiable way that shows how it can directly impact company KPIs like user growth and revenue.

Hanson Ho was there in 2015. For 7+ years, he helped build observability into the Android app and org. Listen as he describes how observability changed mobile at Twitter: what was recorded, how it was used, what results were achieved – and how the lessons learned can be applied by anyone that operates mobile apps, both in the tech and in the org.
Speakers
avatar for Hanson Ho

Hanson Ho

Android Architect, Embrace (this is not a talk about the company)
Hanson was the former Tech Lead of Android Performance and Stability at Twitter, where he spent a lot of time on collecting and interpreting performance data in order to improve the app experience for all Twitter users on all Android devices all around the world. He is now at Embrace... Read More →
Tuesday April 1, 2025 14:40 - 15:05 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Observability Success Stories and Misfortunes

15:20 BST

The Art and Craft of No-touch Instrumentation - Michele Mancioppi, Dash0
Tuesday April 1, 2025 15:20 - 15:45 BST
Level 1 | Hall Entrance S10 | Room B
OpenTelemetry automatic instrumentations greatly help with achieving a high baseline of observability for applications. But applying them in containerised environments still requires manual, error-prone intervention by users. LD_PRELOAD-based injection is an advanced technique that has been used by commercial vendors for a decade or more, is by now very well understood, and does not require access to the Kernel like eBPF does (which is a huge challenge in managed compute environments), or any increase in permissions other than what the host runtime has.

In this talk, we go in depth into how this magic works across various runtimes, and how it could benefit the OpenTelemetry community at large.
Speakers
avatar for Michele Mancioppi

Michele Mancioppi

Head of Product, Dash0
Michele has been a product manager in the observability space for the best part of a decade. Former staff engineer turned PM, he likes to code tracing instrumentation, Kubernetes operators and Infrastructure-as-Code integrations for observability almost as much as asking "Why would... Read More →
Tuesday April 1, 2025 15:20 - 15:45 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Monitoring Dynamic Microservices and Containers in Real-time

15:55 BST

OTel-y Oops: Learning From Our Observability Blunders - Joe Stephenson & Rodney Karemba, Akamai Technologies
Tuesday April 1, 2025 15:55 - 16:20 BST
Level 1 | Hall Entrance S10 | Room B
Learn how, in our quest for observability, we accidentally sent 300 million time series to our stack, repeatedly crashed our OTel agents due to cascading failures, and generally made our Observability SRE's lives miserable. In this talk, we'll share the key lessons learned from our missteps, including best practices for scaling observability in complex systems, avoiding common pitfalls, and building resilient monitoring pipelines (using OTel, VictoriaMetrics, Loki and Tempo). Join us to understand how a combination of over-ambitious instrumentation and lack of foresight can lead to chaos — and how to prevent it in your own organization. By the end, you'll have actionable insights to optimize your observability strategy without breaking the system (or the team).
Speakers
avatar for Joe Stephenson

Joe Stephenson

Principal Software Engineer, Akamai Technologies
Joe is a seasoned expert in cloud native technologies. They specialize in solving complex problems at scale, seamlessly navigating the realms of observability, developer experience and user-facing services
avatar for Rodney Karemba

Rodney Karemba

Platform Engineer, Akamai Technologies
Rodney is a Platform Engineer at Akamai Technologies, focused on the internal developer platform for storage at scale. Rodney has background experience with Linux, container security, Kubernetes and working with enterprise customers to solve their cloud native challenges.
Tuesday April 1, 2025 15:55 - 16:20 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Observability Success Stories and Misfortunes

16:30 BST

The State of OpenTelemetry Profiling- Damien Matthieu, Elastic & Felix Geisendoerfer, Datadog
Tuesday April 1, 2025 16:30 - 16:55 BST
Level 1 | Hall Entrance S10 | Room B
Join us exploring OpenTelemetry profiling's evolution and future. We'll examine the changes in OTLP profiling protocol, highlighting how moving beyond pprof wire compatibility enables individual profiling events with timestamps and thread timeline visualizations.
Discover the practical implementation of profiling across the observability stack using the OTel Collector. Learn about its sophisticated capabilities in receiving, processing, and exporting profile data, along with data augmentation tools and community contribution opportunities.
This collaborative presentation from the Profiling SIG showcases achievements and future directions in profiling, offering practical insights for comprehensive profiling solutions.
Speakers
avatar for Damien Mathieu

Damien Mathieu

Principal Engineer at Elastic and OpenTelemetry Go Maintainer, Elastic
Damien is a Principal Engineer at Elastic, working on profiling for OpenTelemetry. He is also a maintainer of the Go SDK.
avatar for Felix Geisendörfer

Felix Geisendörfer

Senior Staff Engineer, Datadog
[Felix Geisendörfer](https://twitter.com/felixge) is a Senior Staff Engineer at Datadog where he works on Continuous Profiling for Go. Before that he was working on manufacturing systems for Apple, herding big PostgreSQL clusters. In his spare time he's usually working on [open source](https://github.com/felixge... Read More →
Tuesday April 1, 2025 16:30 - 16:55 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Project specific-Observability+Prometheus+OpenMetrics+OpenTelemetry+Jaeger+Thanos+Fluentd+Cortex+etc

17:00 BST

⚡ Lightning Talk: Who Are You? Solving the Container ID Resolution With Cgroupv2 - Vincent Boulineau, Datadog
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 1 | Hall Entrance S10 | Room B
In containerized environments, one key challenge of pushing observability data is to identify the sender, to allow data enrichment, i.e. attaching attributes, tags, metadata based on container or Pod metadata.
This problem has been commonly solved by asking the sender to provide its own container id, easily available through /proc/self/cgroup.

When Datadog started evaluating cgroupv2, it quickly became apparent that this approach was not usable anymore, prompting us to find new solutions as the most common workaround (using mountinfo) is actually not reliable.
In this talk we'll explain why the container id is not available anymore (due private cgroup namespace) and present two solutions that we worked on.

We will go through the benefits of each one and will share how these solutions could be used in other observability projects, like OpenTelemetry.
Speakers
avatar for Vincent Boulineau

Vincent Boulineau

Staff Engineer, Datadog
Vincent began working with Kubernetes in 2016, migrating large applications from on-prem+custom orchestration to cloud+Kubernetes. Vincent is now a Staff Engineer in Datadog’s Container Monitoring group, working on making containerized environments easy to understand, monitor and... Read More →
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, How to Solve Edge Cases around Observability

17:15 BST

⚡ Lightning Talk: From HAR To OpenTelemetry Trace: Redefining Your Observability - Antonio Jimenez Martinez, Cisco ThousandEyes
Tuesday April 1, 2025 17:15 - 17:25 BST
Level 1 | Hall Entrance S10 | Room B
Have you heard about HTTP Archive (HAR) files and wondered how you could leverage this data for deeper insights into your web applications?

Imagine analyzing your page load request data as OpenTelemetry traces in your favorite observability backend. In this talk, we will explore the lessons learned from transforming HAR into an OpenTelemetry trace and streaming it to Jaeger.

You'll gain insights into the process of converting HAR data into spans following OpenTelemetry semantic conventions, and learn about the architecture we used to send these traces to any observability backend via the OpenTelemetry collector. This session is perfect for developers and observability engineers looking to enrich their tracing capabilities with detailed HTTP request data.
Speakers
avatar for Antonio Jimenez Martinez

Antonio Jimenez Martinez

Tech Lead Software Engineer, Cisco ThousandEyes
I am a Tech Lead Software Engineer at Cisco ThousandEyes, specializing in observability to ensure our customers can effectively monitor their products. My recent work involves using OpenTelemetry to stream telemetry data, enhancing network visibility and performance for our clients.I... Read More →
Tuesday April 1, 2025 17:15 - 17:25 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day, Interesting Use Cases for Observability

17:25 BST

Observability Day | Closing Remarks
Tuesday April 1, 2025 17:25 - 17:30 BST
Level 1 | Hall Entrance S10 | Room B
Tuesday April 1, 2025 17:25 - 17:30 BST
Level 1 | Hall Entrance S10 | Room B
  Observability Day
 
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