ClickHouse

Column-oriented OLAP database

79
Needs attention
Funding
Stable
Maintenance
Active
Contributors
Healthy
Bus Factor
High risk
Metrics last updated: 6 days ago (2026-02-07)

Overview

ClickHouse is an open-source column-oriented database management system that allows generating analytical reports using SQL queries in real-time.

Importance

  • Leading OLAP database
  • Powers real-time analytics
  • Foundation for data warehousing
  • Critical for big data analytics

Key Features

  • Columnar storage
  • Real-time queries
  • High compression
  • Distributed processing

Sustainability

ClickHouse is backed by ClickHouse Inc. with strong commercial support and an active community.

Dependencies

⬆️ Depends On (1)
ClickHouse
unknown

Dependency Chain

Upstream
Linux Kernel
ClickHouse

Impact Analysis

1 Direct Dependencies
0 Dependent Projects
🔝 Top-level project