Real-time, Exactly-once Data Ingestion from Kafka to ClickHouse at eBay

Real-time, Exactly-once Data Ingestion from Kafka to ClickHouse at eBay

eBay depends on Kafka to solve the impedance mismatch between rapidly arriving messages in event streams and efficient block insert into ClickHouse clusters. Naïve loading procedures from Kafka to ClickHouse generate non-deterministic blocks, leading to data loss and incorrect results in applications. Learn how the eBay team solved this problem.

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.

Analytics That Really Bring the Heat

Analytics That Really Bring the Heat

Read why and how Pepper.com, the largest shopping community, chose ClickHouse over BigQuery to provide personalized customer experiences to 25 Million+ shoppers.