About · Citus
Citus.
A Postgres extension that distributes tables across a cluster for horizontal scale-out.
Primary use cases
- · Online transaction processing (OLTP)
- · Multi-tenant SaaS
- · Analytics
Index Head-to-Head
§ Head-to-Head
Citus vs ClickHouse.
A Postgres extension that distributes tables across a cluster for horizontal scale-out. · An open-source columnar database for real-time analytics on very large datasets.
Compare any pair
13 tools · 78 pairs
vs
§ Quick Verdict
Pick Citus if you need online transaction processing (oltp) or multi-tenant saas.
Pick ClickHouse if you need time-series or log storage.
Both fit analytics.
§ At a Glance
- Postgres-based platforms
- Category
- Analytical databases
- 2016
- First released
- 2016
- AGPLv3
- License
- Apache 2
- C
- Written in
- C++
- Yes
- Self-hostable
- Yes
- Yes
- Free tier
- Yes
- 12,498
- GitHub stars
- 47,462
- 4d ago
- Last push
- yesterday
- v14.0.0
- Latest release
- v26.1.12.23-stable
§ Use Case Coverage
● fits · ○ not a primary fit
Where each one fits.
- ● ●
Analytics
Aggregations and scans over large datasets.
- ○ ●
Log storage
High-throughput append-mostly event ingestion.
- ● ○
Multi-tenant SaaS
Isolated tenants on shared infrastructure.
- ● ○
Online transaction processing (OLTP)
Application traffic — reads and writes from a web app.
- ○ ●
Time-series
Metrics, IoT, financial ticks, monitoring data.
Citus ClickHouse
Coverage reflects each tool's primary, well-supported use cases — not every workload it can technically handle. Tools listed as missing a case can often serve it with extra work, but a tool designed for it will be a better default.
About · ClickHouse
ClickHouse.
An open-source columnar database for real-time analytics on very large datasets.
Primary use cases
- · Analytics
- · Time-series
- · Log storage
§ Also Worth Comparing
6 pairs