vioscale
Comparison

ClickHouse vs KairosDB

On the evidence we track, ClickHouse leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

ClickHouse full profile →KairosDB full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★ClickHouse63
KairosDB25
Score
Vioscale score
ClickHouse63 / 100medium · 60%
KairosDB25 / 100medium · 56%
Pricing
Free tier
ClickHouse✓
KairosDB–
Model
ClickHousecommercial
KairosDBopen_source
Price level
ClickHouselow
KairosDBfree
Transparent
ClickHouse✓
KairosDB–
Integrations
Count
ClickHouse100
KairosDB3
Security
Disclosure policy
ClickHouse✓
KairosDB–
Gdpr
ClickHouse✓
KairosDB–
Hipaa
ClickHouse✓
KairosDB–
Iso27001
ClickHouse✓
KairosDB–
Pci
ClickHouse✓
KairosDB–
Scorecard
ClickHouse4.9
KairosDB3.4
Soc2
ClickHouse✓
KairosDB–
Vulnerabilities
Reliability
Status page
ClickHouse✓
KairosDB✓
Adoption
Dependent repos
ClickHouse1
KairosDB32
Github stars
ClickHouse49,464
KairosDB1,762
Package downloads weekly
ClickHouse–
KairosDB9
Activity
Commits last 30d
ClickHouse100
KairosDB0
Release
Cadence days
ClickHouse–
KairosDB92
History
ClickHouse20 items
KairosDB15 items
License
Spdx
ClickHouseApache-2.0
KairosDBApache-2.0
Language
Primary
ClickHouseC++
KairosDBJava
Market
Availability
ClickHouseAvailable worldwide
KairosDB–

Capabilities

Feature-by-feature on the axes that matter for time-series databases. “-” means undocumented, not absent.

Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)
ClickHouseSQL
KairosDBREST API, Graphite protocol
SQL compatibility
ClickHouseFull SQL
KairosDBNon-SQL
Ingest
Ingest model
ClickHouseBoth
KairosDBPush
Model
Data model
ClickHouseBoth
KairosDBMetrics (labels/tags)
Lifecycle
Downsampling / rollups
ClickHouse-
KairosDBContinuous aggregates
Retention / TTL
ClickHouse-
KairosDBManual
Storage
Compression (columnar / delta / Gorilla)
ClickHousecolumnar
KairosDB-
Performance
High-cardinality handling
ClickHouseStrong
KairosDBStrong
Scale
Clustering / horizontal scale
ClickHouseDistributed / sharded
KairosDBDistributed / sharded
Replication / HA
ClickHouse✓
KairosDB✓
Deployment
Deployment
ClickHouseSelf-hosted
KairosDBSelf-hosted
Interop
Prometheus remote-write compatible
ClickHouse-
KairosDB-
Licensing
Licence class
ClickHousePermissive OSS
KairosDBSource-available

What each one is

The product in its own terms, so the numbers below have context.

ClickHouse

Leader

An open-source columnar database system designed to handle large-scale analytical workloads with extremely low latency. Excels at real-time analytics, observability (logs, metrics, traces), data warehousing, and AI/ML applications.

Independently observed

KairosDB

Open-source time series database that leverages Cassandra for storage, providing REST and Graphite protocol support for data ingestion and retrieval, with built-in aggregation functions and extensible architecture via plugins.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ClickHouse

Leader
from $0.22/moHybridFree tier30-day trial

From $25.30/TB/mo + $0.2181/compute unit/hr. 30-day free trial.

  • Basic$25.30/TB/mo + $0.2181/compute unit/hr
    • Up to 1 TB storage
    • 8-12 GiB total memory
    • Backups every 24h, retained for 1 day
    • 1 availability zone
    • Export backups to own cloud account
    • +4 more
  • Scale$25.30/TB/mo + $0.2985/compute unit/hr
    • Unlimited storage
    • Configurable memory
    • Compute-compute separation
    • Configurable backups
    • 2+ availability zones
    • +5 more
  • Enterprise$25.30/TB/mo + $0.3903/compute unit/hr
    • Everything in Scale plan
    • SAML SSO
    • Private regions
    • Manual vertical scaling for custom profiles
    • Enterprise support with 30 min response time for Severity 1 issues
    • +6 more
as of verify ↗

KairosDB

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
ClickHouse✓
KairosDB✓
CLI
ClickHouse✗
KairosDB✓
Deployment
Cloud / SaaS
ClickHouse✓
KairosDB✗
Self-hosted
ClickHouse✓
KairosDB✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

ClickHouse

Leader
6 total
  • Amazon S3
  • Kafka
  • Airbyte
  • Vector
  • PostgreSQL
  • MySQL
Independently observed

KairosDB

3 total
  • Cassandra
  • Graphite
  • Telnet
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.