Altinity Blog
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Rescuing ClickHouse from the Linux OOM Killer
The Linux OOM killer terminates ClickHouse servers that use too much memory. Learn how to detect and prevent it in your environment.
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Announcing the Multi-Platform Altinity Tableau Connector for ClickHouse
You can now use the new Altinity Tableau Connector for ClickHouse on macOS & Linux platforms. Based on the JDBC protocol, the new version is also compatible with Tableau server.
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Altinity Stable for ClickHouse Release 22.3.10
We’re proud to announce the release of Altinity Stable 22.3.10.24 for ClickHouse with new bug fixes and installation options. Click to learn more!
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Guest Post: PolyScale Metrics with ClickHouse Materialized Views
Polyscale.ai is an Altinity.Cloud customer and recently documented their journey into ClickHouse materialized views on the Polyscale Blog. We’re delighted to repost the article.
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The Open Source Analytics Conference 2022 is on 15 November
Interested in open source software? Working on analytic applications? There is a virtual conference where you can learn about both. Altinity is delighted to announce Open Source Analytics Conference 2022!
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Altinity.Cloud Anywhere: An Open Cloud for ClickHouse
Altinity.Cloud Anywhere introduces a new concept of an “open cloud” that allows you to plug other clouds or on-prem deployments into Altinity management plane. The only requirement is Kubernetes.
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Altinity Momentum: 144% Cloud Revenue Growth Helping Customers Build Real-Time Analytics on ClickHouse
Be it 144% revenue increase, 150+ Altinity.Cloud trials, or new partnerships, we at Altinity achieved some significant milestones in the first half of 2022. Click to find out!
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{ ClickHouse: “JSON data type”, version: 22.6 }
JSON data type is one of the most popular ClickHouse additions of 2022. It offers simple storage and easy query syntax. What’s not to like?
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Altinity Stable Release for ClickHouse 22.3
A few months ago we certified 21.8 as an Altinity Stable release. It was delivered together with the Altinity Stable build for ClickHouse. Since then many things have happened to ClickHouse. In Altinity we continued to work on newer releases and run them in-house. We completed several new features, and many more have been added[…]
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Open Source Software at Altinity
Since its inception, Altinity has contributed to and maintained many open source projects that are accelerating ClickHouse development and adoption. Read our open source story!
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Momentum Dash is Building a More Centered Work Environment with PostHog and Altinity
Momentum Dash uses PostHog and Altinity to understand the needs of their two million users. Read how ClickHouse analytics drive product development.
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Altinity Cumulative Release Notes for April through June 2022
Summer is here – and more updates to Altinity products! Here’s the latest releases for what our teams released since April.
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Battle of the Views – ClickHouse Window View vs Live View
ClickHouse Live Views and Window Views are alternatives to query newly arrived data from event streams. In this article, we break down these experimental features and compare and contrast usage.
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1 Trillion Rows in ClickHouse, Part 1: Altinity.Cloud Setup
1 Trillion rows is a lot but ClickHouse can handle it and so can you. Our first article in a blog series shows how to set up a large dataset in Altinity.Cloud — using features like multi-volume storage, fast server rescaling, and scheduled operation — at a minimal cost.
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Trip Report: Amsterdam ClickHouse Meetup on 8 June
The June 8 meetup in Amsterdam was the first in-person ClickHouse community meetup in over 2 years. We bring you the first-hand report of ClickHouse talks, news, and updates.
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Fast MySQL to ClickHouse Replication: Announcing the Altinity Sink Connector for ClickHouse
Want fast MySQL analytics? Then check out the Altinity Sink Connector for ClickHouse. Merging the power of ClickHouse with MySQL, the sink connector lets you replicate data from MySQL to ClickHouse in real-time.
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Announcing Updates to 21.1 and 21.8 Altinity Stable Builds
Read the latest updates to 21.1 and 21.8 Altinity Stable Builds for ClickHouse — built in a secure environment and signed and maintained for three years. You’ll find a security update to the 21.1.10.3 release and changes to Community Build 21.8.15.7-lts and the previous Altinity Stable 21.8.13.1.
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Too Wide or Not Too Wide — That is the ClickHouse Question
When it comes to ClickHouse, how many columns are too many? 100 columns? 5,000 columns? In our latest experiment, we put 10,000 columns to test using some configuration tweaks and enough memory. Click to find out what happened!
