Gunnar Morling

Gunnar is an open-source enthusiast at heart, currently working on Apache Flink-based stream processing. In his prior role as a software engineer at Red Hat, he led the Debezium project, a distributed platform for change data capture. He is a Java Champion and has founded multiple open source projects such as JfrUnit, kcctl, and MapStruct.

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screenshot of Apache Flink job written in Java
April 25, 2023
8
min read
Blog

Support for Running Your Own Apache Flink Jobs Is Coming To Decodable

Decodable announces a major new feature of the platform: support for running your own custom Apache Flink® jobs, written in any JVM-based programming language such as Java or Scala.
By
Gunnar Morling
The Wonders of Postgres Logical Decoding Messages for CDC
March 6, 2023
12
min read
Blog

The Wonders of Postgres Logical Decoding Messages for CDC

Explore how to take advantage of Postgres’ change data capture capability for implementing three different use cases: propagating data between microservices via the outbox pattern, application logging, and enriching audit logs with metadata.
By
Gunnar Morling
December 15, 2022
15
min read
Blog

Postgres 15: Logical Decoding Row Filters With Debezium

Since logical decoding was added to Postgres in version 9.4, this powerful feature for capturing changes from the write-ahead log of the database has been continuously improved. This means, in relational terminology, projections and filters are now natively supported by Postgres change event publications. In this blog we'll explore how Postgres 15 row filters can be used together with Debezium.
By
Gunnar Morling
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