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. 4,700 people in our Slack, and one of them has broken it before you.
namespace: dok-community
Library
Learn data on Kubernetes.
Monthly · virtual
Town halls and meetups
Contributor Program · 2027
Fifteen minutes is enough to start.
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.
Whitepaper
Valkey on Kubernetes: Cluster Mode, Persistence, Memory & Operators Guide
Solanica
Learn how to run Valkey, the open source Redis alternative, on Kubernetes. Covers replication, Sentinel and Valkey Cluster, failover and the persistence trap, maxmemory and container limits, RDB and AOF, monitoring, backups, and a comparison of Valkey operators.
Open resource →Whitepaper
MongoDB on Kubernetes: Replica Sets, Sharding & Operators Guide
Solanica
Learn how to run production MongoDB on Kubernetes. Covers replica sets and elections, sharded clusters with mongos, WiredTiger cache and oplog sizing, PBM backups with point-in-time recovery, and a comparison of MongoDB operators including Percona, MCK, and KubeDB.
Open resource →Article
One Valkey, Multiple Tenants: Per-Database Isolation on Kubernetes
Ishan Jain
How Valkey 9.1.0's per-database ACL selector lets you run multiple microservices off one shared cache instance, with hard access boundaries between them.
Open resource →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 →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
- 4,700+
- DoK videos available
- 600+
- Virtual meetups
- Monthly
Blog
From the blog
Nov 9, 2026
StarRocks on Kubernetes FMEA - Part 1 Prerequisites
How we designed a Failure Modes and Effects Analysis for a StarRocks deployment on Google Kubernetes Engine.
Nov 1, 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?”
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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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