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8.4.1. General information about ClickHouse
An article about working with ClickHouse in our blog — Specifics of migrating SQL queries from MySQL to ClickHouse.
ClickHouse — a high-performance analytical database system designed to process large amounts of information in real time. It allows you to perform complex SQL queries, build reports and analytics with minimal delays. ClickHouse is ideal for monitoring, logging, statistics, and analytics platforms, providing reliability, scalability, and high performance.
Key features
Key features of ClickHouse:
- High performance. Delivers millions of read and write operations per second thanks to columnar storage and efficient data compression.
- Scalability. Supports horizontal scaling and distributed data storage without compromising processing speed.
- SQL compatibility. Full support for SQL queries, including aggregate functions, subqueries, and analytical expressions.
- Real-time analytics. Performs queries on large volumes of data in real time, making it ideal for BI and monitoring systems.
- Integration. Supports connections via HTTP, MySQL protocol, and native ClickHouse interface, easily integrates into existing infrastructure.
- Reliability. Built-in replication and backup mechanisms ensure data stability and security.
Plans
Available plans differ:
- Number of processor cores.
- Amount of RAM.
- Capacity of disk space.
While using the service, the plan can be changed.