ClickHouse

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

Optimizing Vector Search Index in ClickHouse

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

How does ClickHouse Merge Sort Algorithm work?
ClickHouse

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
ClickHouse

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 […]