ClickHouse

ClickHouse is an open-source high-performance column-oriented analytical database management system (OLAP). It is designed to process and analyze very large volumes of data in real time using SQL. ClickHouse is optimized for fast read-heavy workloads such as analytics, reporting, monitoring, and log analysis, making it suitable for both small deployments and large-scale enterprise environments.

Features of ClickHouse:

• Column-oriented storage engine optimized for fast analytical queries.
• High-performance SQL query execution on billions of rows and terabytes of data.
• Real-time data ingestion and near real-time analytics.
• Advanced data compression to reduce storage usage.
• Support for distributed and replicated tables for scalability and high availability.
• Powerful SQL support including joins, aggregations, and window functions.
• Built-in HTTP and native TCP interfaces for data access.
• Integration with popular BI and visualization tools such as Grafana, Superset, Metabase, and Tabix.
• Open-source project with active community support and extensive documentation.

To access ClickHouse:

$ sudo su

$ sudo apt update

$ clickhouse-client

$ SELECT version();

Disclaimer: ClickHouse is open-source software distributed under the Apache License 2.0. It is not affiliated with, endorsed by, or sponsored by any commercial entity. ClickHouse is provided "as is," without any warranty, express or implied. Users utilize this software at their own risk. The developers and contributors hold no responsibility for any damages, losses, or consequences resulting from the use of this software. Users are advised to carefully review and comply with licensing terms and any applicable regulations while using ClickHouse.