Fun with ClickHouse Window Functions

Fun with ClickHouse Window Functions

Window functions have arrived in ClickHouse! Our webinar will start with an introduction to standard window function syntax and show how it is implemented in ClickHouse. We’ll next show you problems that you can now solve easily using window functions. Finally, we’ll compare window functions to arrays, another powerful ClickHouse feature.

High Performance, High Reliability Data Loading on ClickHouse

High Performance, High Reliability Data Loading on ClickHouse

Arrays are a prominent ClickHouse SQL extension that can accelerate query speed up to 100x in well-chosen use cases. This webinar introduces ClickHouse arrays and shows how to use them effectively. We provide examples of idiomatic usage and guides you on use cases where you should immediately reach for arrays. Please join us to become a power user of this popular ClickHouse feature.

Introduction to High-Velocity Analytics Using ClickHouse Arrays

Introduction to High-Velocity Analytics Using ClickHouse Arrays

Arrays are a prominent ClickHouse SQL extension that can accelerate query speed up to 100x in well-chosen use cases. This webinar introduces ClickHouse arrays and shows how to use them effectively. We provide examples of idiomatic usage and guides you on use cases where you should immediately reach for arrays. Please join us to become a power user of this popular ClickHouse feature.

Webinar Slides. ClickHouse Unleashed 2020: Our Favorite New Features for Your Analytical Applications

Curious what’s new in ClickHouse? This talk is for you! Watch to learn about new features of ClickHouse, ranging from tiered storage to compact MergeTree format to SQL join improvements. Preview new features like object storage and LDAP support planned for the remainder of 2020. We close out, by discussing Altinity Stable Releases and how they help you decide when features are ready for production use. Don’t miss this opportunity to get current on ClickHouse improvements to help you build even better analytics!

Webinar Slides. Adventures in Observability: How In-House ClickHouse Deployment Enabled Instana to Build Better Monitoring for Users

Instana is an Application Performance Monitoring solution that provides complete visibility into complex distributed systems, including ClickHouse servers. In this webinar, we welcome Marcel Birkner and Yoann Buch of Instana. They describe how the Instana team uses ClickHouse to power their solution, lessons they have learned, and how they integrated them back into Instana’s own ClickHouse monitoring features. Along the way, you’ll learn how to set up Instana on ClickHouse, what important metrics you should track, how ClickHouse is integrated in end-to-end distributed tracing, and what level of automation is available for root cause analysis and alerting.

Webinar Slides. Big Data in Real-Time: How ClickHouse powers Admiral’s visitor relationships for publishers

By James Hartig and Robert Hodges
Slides for the Webinar, presented on June 16, 2020
Webinar recording is available here

Advertising is dying in the wake of privacy and adblockers. Join us for a conversation with James Hartig, a Co-Founder at Admiral (getadmiral.com), who helps publishers diversify their revenue and build more meaningful relationships with users. We’ll start with an overview of Admiral’s platform and how they use large scale session data to power their engagement engine. We’ll then discuss the ClickHouse features that Admiral uses to power these real-time decisions. Finally, we’ll walk through how Admiral migrated from MongoDB to ClickHouse and some of their plans for future projects. Join us to learn how ClickHouse drives cutting edge real-time applications today!

Webinar Slides. MORE secrets of ClickHouse Query Performance

By Robert Hodges and Alexander Zaitsev
Slides for the Webinar, presented on May 27, 2020
Webinar recording is available here

ClickHouse is famously fast, but a small amount of extra work makes it much faster. Join us for the latest version of our popular talk on single-node ClickHouse performance. We start by examining the system log to see what ClickHouse queries are doing. Then we introduce standard tricks to increase speed: adding CPUs, reducing I/O with filters, restructuring joins, adding indexes, and using materialized views, plus many more. In each case we show how to measure the results of your work. There will as usual be time for questions as well at the end. Sign up now to polish your ClickHouse performance skills!