Is ClickHouse® Moving Away from Open Source?
Open source licensing helped ClickHouse grow. Now the project is moving to open core. There’s reason for users to be concerned.
Delivering Better S3 Support in ClickHouse®
S3-compatible object storage support is critical for ClickHouse applications. There is a new community proposal to make it much better.
Caching in ClickHouse® – The Definitive Guide Part 1
In this Part 1 article of our latest series on ClickHouse caches, we break down cache types like query caches that are used to speed up SELECT query processing. Read how caches can increase database system performance and capacity.
Altinity Stable® ClickHouse® 23.3 Has Arrived!
Altinity Stable Build for ClickHouse 23.3 is out. It’s production ready and supported by Altinity through 14 July 2026. Read about the latest changes and installation instructions.
Managing EBS gp3 Volumes in EKS
Learn about gp3 (the latest AWS general purpose Elastic Block Storage), how you can use gp3 volumes in AWS Elastic Kubernetes Service (EKS), and how to change parameters of EBS volumes from inside EKS clusters using a new open source…
What’s New in Altinity Kubernetes Operator for ClickHouse®?
Altinity Kubernetes Operator for ClickHouse is our most popular open source project so far with 1300+ stars and used by many companies including Ebay, Cisco and Twilio (Segment.io). In this article we will provide an overview of the new features…
What’s Up with Parquet Performance in ClickHouse®?
Supported in ClickHouse, Apache Parquet has use cases other than just a storage format in the Hadoop ecosystem. See what results we got when we tested it in Altinity.Cloud to query Parquet files at S3 with the same efficiency as…
ClickHouse® ReplacingMergeTree Explained: The Good, The Bad, and The Ugly
How much do you know about ClickHouse ReplacingMergeTree? Learn about this powerful engine, how it works, and all its functionalities | old and new | so you can build real-time synchronization pipelines from OLTP databases like MySQL.
Ultra-Fast AWS Graviton Instances in Altinity.Cloud®
AWS introduced new instance type families, powered by Graviton3 ARM processors: m7g and r7g. We tested m7g’s performance using the ClickHouse SSB workload and found it’s 35% faster its older brother m6g, and 15% faster than Intel m6i instance! Learn…
Analyzing DockerHub Pull Counts with ClickHouse® and Altinity.Cloud®
It is very easy to start collecting data into ClickHouse from public HTTP APIs like DockerHub. Follow our step-by-step guide to create a simple ClickHouse app that extracts data from DockerHub and makes it available for reporting.
Altinity Stable® Release 22.8
Altinity Stable 22.8 is a significant upgrade from the previous 22.3 release and includes more than 2000 pull requests from 280 contributors. Learn about the new features, changes, known issues, and installation.
ClickHouse® as the Looking Glass for OLTP Data
When users come to Altinity.Cloud, many are not trying to replace non-analytical databases like MySQL or PostgreSQL. They want to migrate data to ClickHouse and keep it in sync with the database, just like a mirror. In this post, we…