ClickHouse® Aggregation Fun, Part 2: Exploring and Fixing Performance
In Part 1 we showed how ClickHouse uses parallel processing power to collect aggregates. In Part 2, we’re showing how to make aggregations faster and more efficient.
ClickHouse® Aggregation Fun, Part 1: Internals and Handy Tools
Summarization is a powerful tool for understanding masses of data. Learn how to make this process efficient and fast through ClickHouse | in part 1 of our ClickHouse aggregation series.
Statement re: recently reported vulnerabilities in ClickHouse®
Hacker News published a report detailing ClickHouse vulnerabilities. The good news – these were fixed months ago, and the latest Altinity Stable Builds are already updated so they are not affected.
Fixing the Dreaded ClickHouse® Crash Loop on Kubernetes
As countless ClickHouse users have learned, Kubernetes is a great platform for data. It’s portable to almost every IT environment. But there’s still the occasional dark cloud. One of these is pod crash loops, which arise when a ClickHouse pod…
Altinity CEO Statement to Customers Regarding Effects of Ukraine War
It is now almost two weeks since the Russian government launched a brutal invasion of Ukraine, triggering a humanitarian catastrophe and risks to businesses across the globe. Our first concern has been to care for our employees, relatives, and partners…
Database on Fire: Reflections on Embedding ClickHouse® in Firebolt
Review of Ben Wagner presenting How We Built Firebolt. Firebolt embedded ClickHouse as their query engine!
Lessons on Building Analytic Applications with Altinity.Cloud®
2021 has been a great year for Altinity.Cloud. Altinity.Cloud users have grown to almost a third of our subscription customers. So what have we learned? In this article, I would like to call out three points for anyone working on…
Keeping ClickHouse® Open and Portable in Altinity.Cloud®
ClickHouse is on the fast track to become the most popular analytic database on the planet. Learn how users can run in Altinity.Cloud or manage ClickHouse themselves
My First ClickHouse® Cluster on GCP
As regular readers of this blog are aware, Altinity.Cloud now supports Google Cloud Platform, also known as GCP. I recently took the new capability out for a spin to see what it’s like to run ClickHouse there.
Data Visualization and JSON: October SF ClickHouse® Bay Area Meetup
Time flies! The 27 October SF ClickHouse Meetup had three new talks on the themes of data visualization and JSON processing. The videos have been up for a while so here’s a quick summary as well as links in case…
OSA Con 2021 Content is Online. See You in 2022!
OSA Con 2021, our first conference dedicated to open source analytics, is a wrap. We had a great conference with 22 talks by 31 presenters. I’m delighted that we could bring together so many different projects and applications under a…
Meet the Open Source Analytics Community at OSA Con on Nov 2
Our goal was to bring together a diverse set of presentations from the entire open source analytic community, rather than focusing on single projects or applications. We’ve succeeded and here’s just a sample of talks you’ll hear.