Report · 2025
The 2025 DoK report
Five years of community research on running data on Kubernetes.
Data on Kubernetes Community
The people who run data on Kubernetes.
Bring your questions and your outages. 4,300 people in our Slack, and one of them has broken it before you.
namespace: dok-community
Library
Learn data on Kubernetes.
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Contributor Program · 2027
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What is DoK
What is data on Kubernetes?
While Kubernetes was originally designed for stateless workloads, it is increasingly being used to manage stateful and data applications including databases, big data, data analytics, and machine learning.
Data on Kubernetes is well-positioned to become the operational default in a world where data and AI/ML applications are expected to grow. Scalability, flexibility, resilience, openness, and costs are among the reasons.
Library
Learn data on Kubernetes
A curated library of resources to help jumpstart or advance your DoK journey.
Article
Harnessing Apache Kafka on Kubernetes with Strimzi
Vinod Kumar Nair
Dive into the world of Apache Kafka on Kubernetes and discover how Strimzi can simplify your Kafka deployments. Whether you’re scaling your data infrastructure or optimizing Kafka clusters, this guide will help you unlock the full potential of your system.
Open resource →Article
Managing Data on Kubernetes
Seif Rajhi
Kubernetes provides great solutions for managing stateful workloads, including databases and big data applications. Its features, such as scalability, fault tolerance, and efficient resource management, make it an ideal platform for handling data-intensive
Open resource →Article
CloudNativePG Recipe 8: Participating in PostgreSQL 17 Testing Program in Kubernetes
Gabriele Bartolini
The PostgreSQL Global Development Group (PGDG) recently released PostgreSQL 17 Beta 1, offering a preview of all the features that will be available when PostgreSQL 17 is officially launched later this year
Open resource →Article
How the CSI (Container Storage Interface) Works
Steven Sklar
The Container Storage Interface (CSI) simplifies persistent storage management in Kubernetes by providing an API for custom drivers to handle volume provisioning. CSI replaces in-tree volumes, allowing instant addition of new storage types via independent drivers. This article elucidates CSI's role and implementation in Kubernetes, aiding debugging and migration tasks.
Open resource →Article
CloudNativePG Recipe 6: Postgres Vertical Scaling with Storage - part 1
Gabriele Bartolini
Explore the potential of optimizing CPU, RAM, and storage resources through meticulous measurement and benchmarking, challenging conventional scaling wisdom. Delve into the solid strategies within the CloudNativePG stack, such as separate volumes for data and transaction logs, temporary tablespaces, and I/O segregation for tables and indexes. Stay tuned for insights into aligning storage solutions with PostgreSQL’s resilience needs in the upcoming sequel.
Open resource →Article
CloudNativePG Recipe 5 - How to migrate your PostgreSQL database in Kubernetes with ~0 downtime from anywhere
Gabriele Bartolini
Are you considering migrating your PostgreSQL database from a service provider into Kubernetes, but you cannot afford downtime? Recipe #5 details step-by-step instructions, leveraging CloudNativePG and logical replication, to seamlessly transition from PostgreSQL 10+ to 16 using an imperative method.
Open resource →Connect
Connect with your peers
Join the conversation to stay on top of trends and opportunities in the Data on Kubernetes community.
- Slack members globally
- 4,300+
- DoK videos available
- 600+
- Virtual meetups
- Monthly
Blog
From the blog
Oct 8, 2026
Data on Kubernetes Community Transitions to Community-Led Stewardship
The Data on Kubernetes (DoK) Community is entering a new chapter. Since 2020 it has been a global hub for practitioners running databases, streaming, analytics and AI data on Kubernetes. Constantia LLC is transferring the community’s assets and stewardship to the community itself, with Sergey Pronin acting as steward during the transition.
Nov 10, 2025
Beyond Adoption: The Age of Operational Excellence
The 2025 Data on Kubernetes (DoK) Report Is Here Five years ago, the idea of running data workloads on Kubernetes still raised eyebrows. Today, it’s the norm — and the question has changed from “Can we?” to “How do we do it best?”
Oct 25, 2024
CFP open for Data on Kubernetes Day at KubeCon EU 2025
We’re excited to announce that the Data on Kubernetes (DoK) Community will once again host a co-located event at KubeCon EU 2025 in London. As the leading gathering for DoK practitioners and enthusiasts, DoK Day showcases cutting-edge innovations and fosters invaluable knowledge sharing within our vibrant community.
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Sponsors keep DoK Days, town halls and the annual report free for everyone. Founding sponsor places close 31 January 2027.
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