Conference Program

Please note:
On this page you will only see the English-language presentations of the conference. You can find all conference sessions, including the German speaking ones, here.

The times given in the conference program of OOP 2023 Digital correspond to Central European Time (CET).

By clicking on "VORTRAG MERKEN" within the lecture descriptions you can arrange your own schedule. You can view your schedule at any time using the icon in the upper right corner.

Track: DevOps – The Balance between Dev and Ops

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  • Dienstag
    07.02.
  • Donnerstag
    09.02.
, (Dienstag, 07.Februar 2023)
16:15 - 17:15
Di 9.3
If it is About Cloud Native Transformation ... It Is Still About People! (Experience Report)
If it is About Cloud Native Transformation ... It Is Still About People! (Experience Report)

I will share our hands-on experience with a cloud native (container) transformation that is currently unfolding. Technically, implementing an Open Shift Container Platform (bare metal) is pretty challenging. Doing this in a way that we will have pretty stuff in our data centers and at the same time making sure that our technical possibilities are actually being used effectively by product developers ... is a different challenge all together.

Join this session if you'd like to hear what we figured out about the people side of this kind of change!

Target Audience: Architects, Management, Developers, Operational Heroes, Product Owners, Agile Coaches, Scrum Masters
Prerequisites: Basic knowledge of DevOps concepts
Level: Advanced

Extended Abstract:
In this session I will share our hands-on experiences implementing a container-based architecture in our organisation. Choosing to implement Open Shift (bare metal) as your container platform is pretty difficult and challenging technically. It is also rather exciting and not too difficult to find smart people willing to help you build and run this new platform. However, it turns out that there is far more to this challenge than just the technology. Therefore, we are adopting an evolutionary implementation approach - stringing together small experiments - towards a flexible, more experimental and proactive culture that will allow us to actually benefit from the technical possibilities our new platform offers. This session is our story of our evolutionary and experimental approach and what we discovered along the way that works in this kind of transformation. Our main "discovery" is that even though at first it seemed mostly a technical transformation, it actually is far more of a human challenge.

We are right in the middle of this transformation so in this talk, I will bring you the latest and most valuable insights and experiences regarding this organisational and cultural transformation that is needed to turn the potential of our container platform into actual value for our organisation. We will summarise our ideas in a practical "this might work" list (bear in mind however there are no best practices, just patterns that might work in your specific situation).

An example of an experiment that turned out useful in our situation is: "create a small separate team that will drive this change". In our organisation we strive to build end-to-end teams, so at first we tried to get this new platform started from within the regular Infra DevOps team (as a huge Epic on the backlog). But people however got swamped in work and annoyed by all the context switching this required. Team members got tired and frustrated with the huge amounts of work, sky high ambitions and lack of progress. So, in the end we did a small experiment by creating a separate, dedicated, core team to get things going. This experiment turned out to be successful (and was thus extended) because it allowed team members to focus on the development of the platform and to build, document and share their experiences along the way, so that this team is also able to incrementally onboard the other teams along the way. Busy OPS-teams and product teams can't just develop the new platform on the side, next to all their other ongoing work. Building a container platform is epic and needs dedicated time and focus, also to keep people in their best energy.

I will share some of our most useful experiments and experiences, all having to do with the human side of this container transformation.

This session is not meant for decision making on going cloud native or not. If you do go cloud native, please bear in mind it is still about people, most of all!

Maryse Meinen
Maryse Meinen

Maryse Meinen is a product leader, currently working in a product owner role, building a full-blown container platform for a new IT infrastructure, together with an awesome team. She is also an active practitioner of Stoic philosophy, trying to live according to values like "humans are made for cooperation", "wisdom" and "perseverance". Always keeping an eye on the human aspect of our work, she strives to humanise our workplace a bit more every day.

Maryse Meinen
, (Donnerstag, 09.Februar 2023)
11:00 - 11:45
Do 9.2
OpenTelemetry from an Ops Perspective
OpenTelemetry from an Ops Perspective

The developers have instrumented the applications with OpenTelemetry — great! But that doesn't mean you're ready to roll it out in production yet. What do you need to keep in mind for your instrumentation infrastructure?

* Quick OpenTelemetry overview.
* Tradeoffs between the three architectures you use with OTel (depending on your vendor): vendor exporter vs OTel Collector vs OTel protocol support
* Sampling, including head vs tail based, and how to keep it representative and / or useful.

Target Audience: Architects, Developers
Prerequisites: Software development knowledge and some monitoring experience is also helpful
Level: Advanced

Extended Abstract:
The developers have instrumented the applications with OpenTelemetry — great! But that doesn't mean you're ready to roll it out in production. What do you need to keep in mind for your instrumentation infrastructure? OpenTelemetry is THE emerging standard for monitoring and creating more observable systems. Starting with an overview, this talk then dives into two areas that make a big difference in cost, flexibility, and insights:

Firstly, the three possible integration architectures with vendor exporter, OpenTelemetry Collector, and native protocol support; and why a combination of Collector and native protocol are the most common choice today.
Secondly, sampling or how to get the big picture from a subset of the data (and cost). Here the tradeoffs evolve around head- vs tail-based sampling and how to keep the collected data representative and / or useful. It generally comes down to simpler and cheaper with the head-based approach, while the tail-based one is potentially more useful with higher overhead. And now it's time to roll it out in production!

Philipp Krenn
Philipp Krenn

Philipp Krenn lebt für technische Vorträge und Demos. Nachdem er mehr als zehn Jahre als Web-, Infrastruktur- und Datenbank-Entwickler gearbeitet hat, ist er mittlerweile Developer Advocate bei Elastic — dem Unternehmen hinter dem Open Source Elastic Stack, bestehend aus Elasticsearch, Kibana, Beats und Logstash. Auch wenn er in Wien zu Hause ist, reist er regelmäßig durch Europa und darüber hinaus, um über Open-Source-Software, Suche, Datenbanken, Infrastruktur und Sicherheit zu sprechen.
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Philipp Krenn lives to demo interesting technology. Having worked as a web, infrastructure, and database engineer for over ten years, Philipp is now a developer advocate and EMEA team lead at Elastic — the company behind the Elastic Stack consisting of Elasticsearch, Kibana, Beats, and Logstash.

Philipp Krenn
Philipp Krenn
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