ClickHouse Security

Data Security and Data Masking in ClickHouse

Comprehensive Guide to Data Security and Data Masking in ClickHouse: Protecting Your Data While Maintaining Performance In today’s data-driven landscape, organizations face the dual challenge of leveraging their data for insights while ensuring robust protection […]

ClickHouse Performance

Optimizing Vector Search Index in ClickHouse

How can I optimise the performance of the ClickHouse vector search index? To optimize vector search performance in ClickHouse, leverage its MergeTree engine capabilities and vector similarity indexes while balancing speed, accuracy, and resource usage. […]

How does ClickHouse Merge Sort Algorithm work?
ClickHouse SORT

How does ClickHouse Merge Sort Algorithm work?

Introduction ClickHouse uses a merge-sort algorithm to sort data internally. The merge-sort algorithm works by dividing the data into smaller blocks, sorting each block individually, and then merging the sorted blocks together to produce the […]

ClickHouse Server CPU Usage
Monitoring Server

Monitoring ClickHouse Server CPU Usage

Introduction ClickHouse is designed to be highly optimized for performance and scalability, with a focus on efficient use of system resources, including CPU usage. Understanding the CPU usage by a ClickHouse server can be important […]