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About Data

## Annoucements

[![ED Hackathon](images/hackathon-ed.banner.png)](https://www.erstedigital.com/sk/hackathon)

[![](https://hackathon.deutschetelekomitsolutions.sk/media/content/media/web%20hackathon24/stream.png)](https://hackathon.deutschetelekomitsolutions.sk/)

[![](images/banner-techday.png)](https://deutschetelekomitsolutions.attendu.com/event/0ce05ec362154e6d25da1059/?p=66eff94d72943ded56787bb0&lang=en)

## IoT Day ?!

## Previously in IoT1

## Perfectly Connected

![Waste Management](images/smart.waste.service.jpg) notes: * http://www.catec.ae/Smart-Cities.html

![IoT Architecture Overview](images/iot.architecture-overview.png)

![](images/bus.problem.jpg)

![Scaling of Busses](images/horizontal.and.vertical.scaling.of.busses.png)

## Scale Out vs Scale Up ![Scale Out vs Scale Up](images/scale.out.vs.scale.up.png)

![Cost difference in vertical vs horizontal scalability](images/price.of.scalability.png)

## Time Series Databases

[![DB-Engines Score by DB Category](images/db-engines.score.png)](https://db-engines.com/en/ranking_categories)

### TSDB Areas 1. IoT 2. DevOps 3. Realtime Data Analysis

![Regular vs Irregular Time Series](images/regular.vs.irregular.time.series.png)

**Metriky** poskytujú **pohľad** na **aktuálny stav** vašej aplikácie. Prípadne vieme pomocou metrík zistiť **stav v čase**.

[![Four Golden Signals](https://sysdig.com/wp-content/uploads/2019/06/golden_signals-e1559941419511.png)](https://sre.google/sre-book/monitoring-distributed-systems/)

## Pull vs Push Model (aggregating metrics)

## Good Dashboards Tells Stories

[![UDIF](https://udif.cz/wp-content/uploads/2022/04/logo-UDiF-uzasne-divadlo-fyziky-barevne.png)](https://udif.cz/)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/01.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/02.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/04.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/06.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/07.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/09.png)

![Aka je to rozpravka?](https://udif.cz/advent/2021/pohadky/img/10.png)

## Hackathon Notes

* [MVP !!!](https://youtu.be/W2fBtMNDsYg) * impression over satiety * [presentation skills](https://youtu.be/oyO6sVyOgGo) * team leader ?!

![](http://img08.deviantart.net/5ba0/i/2012/126/6/c/enjoy_every_moment_by_nadiamov-d4yooq7.jpg)

## Questions?