The recent Moscow ClickHouse meetup was quite a big event, as expected. ClickHouse is very popular in Russia and usage has penetrated widely among companies here. 450 people registered, and around 200 showed up at the Yandex conference hall on…
July 10, 2019Modern analytical databases would not exist without efficient data compression. Storage gets cheaper and more performant, but data sizes typically grow even faster. Moore’s Law for big data outperforms its analogy in hardware. In our blog we already…
May 23, 2019ClickHouse offers incredible flexibility to solve almost any business problem in a multiple of ways. Schema design plays a major role in this. For our recent benchmarking using the Time Series Benchmark Suite (TSBS) we replicated TimescaleDB schema…
Apr 9, 2019When I was setting up my first ClickHouse clusters 3 years ago it was like a journey to an unknown world full of caveats. ClickHouse is very simple and easy to use but not THAT simple. Sometimes I…
Mar 27, 2019Many ClickHouse features like LowCardinality data type seem mysterious to new users. ClickHouse often deviates from standard SQL and many data types and operations do not even exist in other data warehouses. The key to understanding is that…
In our previous articles we demonstrated that ClickHouse — a general purpose analytics DB — can easily compete with specialized DBMSs for time series data: TimescaleDB and InfluxDB. There were, however, certain queries, pretty typical for time series, where ClickHouse…
Oct 16, 2018It’s been two years already ago when ClickHouse development team published an excellent blog post “How to update data in ClickHouse”. In that old times ClickHouse supported only monthly partitions, and for mutable data structures, they suggested to…
Activity in and around ClickHouse has dramatically increased recent weeks. Percona Live in Dublin, meetups in Bay Area and Berlin, new features, many new companies adopting ClickHouse — all that generate a lot of news and increase interest to ClickHouse…
Oct 23, 2017 ClickHouse is an excellent analytics database choice not just for startups but also for companies that have already invested significant amount of resources into their analytics solutions, but are not completely satisfied with the results. In this…
Speakers: Vadim Tkachenko, Percona’s, CTO and Alexander Zaitsev, Altinity’s Co-Founder.ClickHouse is a real-time analytical database system. Even though they’re only celebrating one year as open source software, it has already proved itself ready for the serious workloads.
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 article we discover several companies that are using ClickHouse in production for different use cases.
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