Name: Poznan GO Devs #12
Start: 2025-03-17T18:00:00+01:00
End: 2025-03-17T20:00:00+01:00
Location: Concordia Design

We invite you to the office of our sponsor VIER GmbH at Concordia Design, Zwierzyniecka 3 Street. The meeting will take place on March 17, 2025. The main door will be open from 5:45 PM to 06:00 PM and if someone is late please write to us on [slack](https://join.slack.com/t/goat-poznangodevs/shared_invite/zt-30cwh1ssg-RnocO8owPnQwmgkVrP3YvA)

**#1: Krzysztof Biskupski**
**Topic:** GoLang in IoT, what is its place and possible applications

\- Defining the concept of Iot \(what is hidden under this abbreviation\) \- 3XA
\- Using Go at the level of individual "layers" \(how it looks at the level of drivers \- project Tiny GO\, and how at the level of Edges and higher\-order nodes\)
\- Communication in Iot with protocols a few words \(CoA and /MQTT i\.e\. REST and queues for IoT\)
\- Application of data processing what models are most useful \- how does Go deal with it\.
\- Summary

**#2: Mateusz Hawrus**
**Topic:** How I learned to stop worrying and love the generics in Go. Writing a type safe validation library.

Chances are you’ve used some kind of a validation library in Go, perhaps the most popular: govalidator should ring a bell. Most of the existing solutions utilize JSON tags for validation rules definition and reflection in runtime to enforce these rules, YUCK!

Is this the best modern Go can offer though?
We’ll be exploring the good, the bad and the ugly of the past solutions and how we can leverage generics to create type safe, general use validation API which is easy to reason about

**#3: William (Bill) Kennedy [online]**
**Topic:** K8s CPU Limits Deconstructed For Go Software

In this talk, Bill will explain how setting CPU limits in K8s can affect your Go software’s performance. He will share how the Go scheduler works, CPU and IO bound workloads function, and then how K8s CPU limits work under the covers. With this information presented, Bill will run a Go service in K8s and experiment with K8s and Go settings to see how the performance of the Go service changes. We will cover:

• Go scheduler and work load semantics.
• K8s CPU limit semantics.
• Experimenting with Go and K8s settings.

**The sponsor of the meeting is VIER GmbH.**
VIER rethinks customer dialog and communication. With our "enrich", "engage" and "evolve" offerings, we make contact-based business processes more efficient. We improve the customer experience and the user experience. We combine artificial intelligence with human intelligence, expertise with intuition, years of experience with innovation and research.
Whether in service, sales or processing: our intelligent solutions analyze, assist and automate contact-based business processes in all industries. They raise employees to a new level of competence. Our partners and we orchestrate communication, dialog and task processing on the VIER technology platform. It is the only platform from Europe for complete end-to-end solutions - secure data, German cloud and local service included!

VIER is a Germany based company of around 200 employees, with its headquarter in Hannover. We are also located in Berlin, Karlsruhe and Ahlen. Our newest location is situated in Poznan, where we are building a new team of developers with different tech stacks.
Further information at Vier.ai

**Date**: March 17, 2025 / 6:00 p.m (door will be open from 17:45-18:00)
VIER GmbH (Concordia Design building)
Entrance to building C, floor 1, via the green stairs
ul. Zwierzyniecka 3
60-813 Poznań

Dawid Wisniewski

Filip Piwowarczyk

Goat - Poznan Go Devs

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Poznan GO Devs #12

Concordia Design

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Goat - Poznan Go Devs

Poznan GO Devs #12

Goat - Poznan Go Devs

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