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.

Checkpoint Chronicle - January 2024

January 24, 2024

Checkpoint Chronicle - January 2024

Welcome to the Checkpoint Chronicle, a monthly roundup of interesting stuff in the data and streaming space. Your hosts and esteemed curators of said content are Gunnar Morling and Robin Moffatt.

Using Stand-by Servers for Postgres Logical Replication

December 19, 2023

Using Stand-by Servers for Postgres Logical Replication

What Postgres logical replication is, why to use it on stand-by servers, and how to set it up.

Logical Replication From Postgres 16 Stand-By Servers

December 19, 2023

Logical Replication From Postgres 16 Stand-By Servers—Debezium and Failover Slots

Welcome back to this two-part series about logical replication from stand-by servers with Postgres 16. Gunnar Morling explores how to use this feature together with Debezium for change data capture and how to manage replication slots in fail-over scenarios.

Getting Started With PyFlink on Kubernetes

December 7, 2023

Getting Started With PyFlink on Kubernetes

A quick run-through of the required steps for getting started with PyFlink on Kubernetes as of Apache Flink 1.18.

“Change Data Capture Breaks Encapsulation”. Does it, though? 🤔

November 21, 2023

“Change Data Capture Breaks Encapsulation”. Does it, though?

When—and when not—CDC can break encapsulation, whether it matters, and strategies for avoiding these problems when it does happen.

CDC Use Cases: 7 Ways to Put CDC to Work

November 2, 2023

CDC Use Cases: 7 Ways to Put CDC to Work

Explore seven of the most common use cases where businesses are putting the power of Change Data Capture (CDC) to work.

Introducing Support for the Apache Flink Web UI

September 12, 2023

Introducing Support for the Apache Flink Web UI

In this article, we’ll take a look at how to use the Apache Flink web UI to monitor your Decodable custom pipelines.

Processing GitHub Webhooks With Decodable

September 6, 2023

Processing GitHub Webhooks With Decodable

Gunnar Morling explains how to use GitHub Webhooks and a Cloudflare Worker to send a stream of GitHub events to Decodable, where it can be processed and prepared for consumption by systems such as Elasticsearch or Apache Pinot for analysis and visualization.

Introducing the Decodable SDK for Custom Pipelines

Introducing the Decodable SDK for Custom Pipelines

Announcing the first release of a software development kit (SDK) for Decodable Custom Pipelines. This SDK helps you to build custom Apache Flink® jobs, tightly integrated with managed streams and connectors of the Decodable platform.

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