ClickHouse

    Field Report: Migrating from Redshift to ClickHouse®

    Jan 25, 2019FunCorp is an international developer of entertaining Apps. The most popular is iFunny – a fun picture and GIF app that lets users to pass the time looking at memes, comics, funny pictures, cat GIFs, etc. Plus, users…

    New Year Greetings from Altinity and Stable Release Update

    Altinity greets everybody with a New Year 2019! As a small gift to our friends we are happy to announce ClickHouse 18.14.19 Altinity Stable release. This is a last stable release in 2018, and funny enough that release minor version…

    ClickHouse® RoadMap 2019

    The year 2018 approaches the end. It has been a great year for ClickHouse and the ClickHouse community — a lot of events, new features and interesting projects. Now it is time to see what is next. ClickHouse development team…

    ClickHouse® for Time Series Scalability Benchmarks

    Dec 4, 2018Our previous take on time series benchmarks attracted a lot of interest so we decided to dig into more details. We conducted 3 different ClickHouse scalability tests using the same TSBS dataset and benchmarking infrastructure. In this article…

    Altinity Stable ClickHouse® 18.14.15 Release Notice

    Altinity is happy to introduce ‘Altinity stable’ ClickHouse release marking. Altinity stable releases undergo additional testing from our side, we carefully monitored community feedback for any issues, as well as operated such releases in some heavy loaded production systems.That being…

    ClickHouse® Crushing Time Series

    Once upon a time we spotted TSBS—Time Series Benchmark Suite, started by InfluxDB engineers and polished to perfection by TimescaleDB team. The suite allows to compare apples-to-apples when testing different databases: it is a framework to generate test data, load…

    Autumn’s Newsletter

    It’s been a while, but we promise we’ve been busy. Since our last update, ClickHouse grew up a lot, there were many new features and enhancements, some of them we reviewed in our blog, others are still waiting for somebody…

    ClickHouse® Meetup in Paris Recap

    October for us started strong with a successful ClickHouse meetup in Paris. The purpose of the event was to talk about ClickHouse, an open-source column-store analytics DBMS – its features, roadmap, use cases, meet local ClickHouse users, hear talks from ClickHouse…

    Updates and Deletes in 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…

    ClickHouse® HTTP protocol advanced features

    ClickHouse HTTP protocol is good and reliable, it is a base for official JDBC, ODBC and many 3rd party drivers and integrations. It can also be used directly with http client libraries. In this article we describe two advanced features…