Name: Modern Data Processing with Drasi and Entity Framework likes PostgreSQL
Start: 2025-12-03T18:00:00+01:00
End: 2025-12-03T21:00:00+01:00

In cooperation with the [Hamburg C# and .NET User Group Meetup](https://www.meetup.com/hamburg-c-net-meetup/) & [Microsoft Data Platform Community Hamburg](https://www.meetup.com/hamburger-ms-sql-server-usergroup-by-pass-deutschland-e-v), we invite you to the following Meetup in the City Center of Hamburg:

Join us for an evening of technical talks covering data processing and database performance optimization.

**Schedule:**

* 18:00 - Doors open
* 18:10 - Welcome
* 18:15 - Talks begin

**Talk 1: Rethinking Legacy Systems - Data Change Processing with Project Drasi**
Janek Fellien introduces Project [Drasi](https://drasi.io/), a new open source project from Microsoft that brings Complex Event Processing concepts to legacy systems. How do you detect and react to data changes in existing software? While new systems can use Event Sourcing or custom solutions, legacy systems need different approaches. Janek will show how Drasi can help transform or integrate a monolithic legacy system into a microservices architecture.
Speaker: [Janek Fellien](https://www.linkedin.com/in/jan-fellien/)

**Talk 2: Entity Framework Seems to Like PostgreSQL More Than SQL Server**
Sascha Lorenz presents a short talk on a surprising finding: Microsoft's preferred ORM often runs more efficiently on PostgreSQL than on SQL Server. We'll examine why PostgreSQL sometimes optimizes EF workloads more effectively, compare execution plans, and discuss which index strategies make the difference.
Speaker: [Sascha Lorenz](https://www.linkedin.com/in/saschalorenz/)

**Venue:** Thanks to our room sponsor, Computer Futures, for hosting this event!

**Important:** The doorbell shows "SThree" - please select this option if the door doesn't open automatically.

The talks will be held in English if required.

Sascha Lorenz

Hamburg PostgreSQL User Group

Technology

Open Source

MySQL

Database Professionals

Software Development

PostgreSQL

Big Data

Database Development

Data Analytics

NoSQL

Database Administrator

Jens Bollmann

Marcus

David W

Emre Hasegeli

Simon Fröhler

Thomas Hedeler

Marcus Franke

Modern Data Processing with Drasi and Entity Framework likes PostgreSQL

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Hamburg PostgreSQL User Group

Modern Data Processing with Drasi and Entity Framework likes PostgreSQL

Hamburg PostgreSQL User Group

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