Tomáš Sedláček

CTO @ Dataddo

I come from the Czech Republic, Europe. Currently I am 35 years old. I have 2 children which I spend my free time with and I am really into sports.
I studied the University of Economics in Prague, CzechRepublic. Since my studies on the high school I do the freelance websites development. I started building websites in PHP back that days. During the years I worked as PHP developer and team leader on multiple projects. Several years I also spent as a Node.js developer, but then I discovered Go and I became the Go developer. The language really got me and I started to learn it and use it on projects I was participating.
I joined Dataddo.com approx 4 years ago and started rewriting the original PHP monolith app to the smaller services written in Go. Gradually I became the CTO at Dataddo and now I am also responsible for the managing SW development and operations there.
Website: https://dataddo.com/ (blog)

Tomáš Sedláček
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This edition

Let's Go asynchronous
November 12 2024 - 12:30 (40 min )

During this talk I would summarize the cases where the synchronous communication is the right choice and on contrary where it is causing problems and it is better to pick the asynchronous one. Throughout the presentation I will combine the slides with actual code comparing the two principles on real simple examples to let the listener to better imagine the impacts. I will show how it is easy to implement load balancing/throttling/rate limiting to prevent Go apps from overwhelming just by switching to asynchronous communication. Also the implementation of retries mechanism will be shown as one example where asynchronous communication may be used. For the examples I will use regular Http server written in Go as a example of synchronous code and consumers using RabbitMQ and PGQ to cover the asynchronicity. The summary of the talk will be, that before designing some feature, you should think twice, whether it is not better to do design it in asynchronous way. And if you decide it is better to make it asynchronous, that it is not a big deal to actually implement it in Go using already existing tools and libraries.

LEVEL: Intermediate

Let's Go asynchronous

Past editions

2023
Gophers like waiting in Postgres queue

As we as humans must stay in the queues for bananas, the Gophers should sometimes stay organised too. You may use various technologies for simple queueing, but you can also easily use Postgres too. Write the reliable consumers in Go on top of Postgres tables and keep your architecture simple...

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