MORE secrets of ClickHouse® Query Performance
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…
ClickHouse® Kafka Engine Tutorial
Our colleague Mikhail Filimonov just published an excellent ClickHouse Kafka Engine FAQ. It provides users with answers to common questions about using stable versions, configuration parameters, standard SQL definitions, and many other topics. Even experienced users are likely to learn…
Reducing Clickhouse Storage Cost with the LowCardinality Type – Lessons from an Instana Engineer
At Instana we are operating our Clickhouse clusters on m5.12xlarge AWS EC2 instances and similar sized custom build Google Cloud instances. The biggest cost driver however is not the size of the instance, but the EBS volumes / persistent SSDs…