In this blog, I’ll look at how to use ClickHouse for parallel log processing. Below I’ll show how ClickHouse can be used to efficiently perform this task. ClickHouse is attractive because it has multi-core parallel query processing
It took a while for Yandex to respond to numerous community requests regarding release notes. But finally it’s there. On August 21-st Yandex created a changelog file covering releases starting from 1.1.54245, and they keep it up to date so…
In this blog post, we’ll look at nested data structures in ClickHouse for MySQL and how this can be used with PMM to look at queries.
In this article we discover several companies that are using ClickHouse in production for different use cases.
Few weeks ago Yandex released ClickHouse 1.1.54245 that included a number of features requested by community. The new deb packages are available from Yandex repo and RPMs from Altinity repo. So let’s see what’s new in this release. New…
Jul 10, 2017 The guest article from ClickHouse evangelist Yegor Andreenko (@f1yegor) about an interesting extension of aggregate functions aggregate states, that can be used to pre-aggregate data that usually has to be kept in raw, like uniques.
Jul 3, 2017 We continue to benchmark ClickHouse against other analytic DBMSs. We were inspired by the benchmark with star2002 experiment dataset described here, and decided to replicate it using ClickHouse. That gives another interesting comparison vs Amazon RedShift.
Jun 26, 2017 In this blog post, we’ll look at how ClickHouse performs in a general analytical workload using the star schema benchmark test.
Jun 19, 2017 We continue benchmarking ClickHouse. In this article we discuss a benchmark against Amazon RedShift.
Jun 5, 2017 ClickHouse data distribution and replication are fundamental techniques for building reliable and scalable ClickHouse systems. In this article we will explain how it works from the user perspective
ClickHouse is an exellent DBMS with very smart people working on it. Unfortunately, it still lacks some important communication procedures, and arguable the most wanted one is release notes. Altinity mission is to make ClickHouse use easy for everbody, and we…
We are pleased to announce that Altinity repository hosting ClickHouse RHEL/CentOS RPMs as well as packages for Fedora is available at packagecloud
