vioscaleAI
Comparison

ClickHouse vs KairosDB

On the evidence we track, ClickHouse leads this comparison with a composite score of 66/100. 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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★ClickHouse66
KairosDB30
Score
vioscaleAI score
ClickHouse66 / 100medium · 60%
KairosDB30 / 100medium · 55%
Pricing
Free tier
ClickHouse✓
KairosDB–
Model
ClickHousefreemium
KairosDBopen_source
Price level
ClickHousemid
KairosDBfree
Starting price
ClickHouse$53
KairosDB–
Transparent
ClickHouse✓
KairosDB–
Integrations
Count
ClickHouse100
KairosDB3
Security
Certifications
Disclosure policy
ClickHouse✓
KairosDB–
Gdpr
ClickHouse✓
KairosDB–
Hipaa
ClickHouse✓
KairosDB–
Iso27001
ClickHouse✓
KairosDB–
Pci
ClickHouse✓
KairosDB–
Scorecard
ClickHouse4.8
KairosDB3.4
Soc2
ClickHouse✓
KairosDB–
Trust center
Vulnerabilities
Reliability
Status page
ClickHouse✓
KairosDB✓
Adoption
Dependent repos
ClickHouse1
KairosDB32
Github stars
ClickHouse50,255
KairosDB1,761
Package downloads weekly
ClickHouse–
KairosDB3
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
Content
Faq
ClickHouse7 items
KairosDB6 items

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

A column-oriented database that processes analytical queries efficiently on large datasets using compression and vectorized execution. It supports fast aggregations and search over logs, metrics, and traces, with vector search capabilities for AI workloads.

Independently observed

KairosDB

KairosDB is a time series database built on Cassandra that supports multiple cluster architectures with separated read and write paths, allowing efficient data management across distributed systems.

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 $53/moUsage-basedFree tier30-day trial

From $53/month plus usage-based compute and storage. Free tier with $300 credits for 30 days.

  • Basic$53/mo + $0.22 per TB
    • Up to 1 TB storage
    • 1 availability zone
    • Export backups to own cloud account
    • Expert support with 1 business day response time
    • SSO with Google or Microsoft
    • +1 more
  • Scale$437/mo + $0.30 per TB
    • Unlimited storage
    • 2+ availability zones
    • 24x7 expert support with 1 hour response for Severity 1 issues
    • S3 role-based access
    • Automatic vertical scaling
    • +1 more
  • Enterprise$571/mo + $0.39 per TB
    • SAML SSO
    • Private regions
    • Enterprise support with 30 minute response time
    • Named Lead Support Engineer
    • Transparent data encryption and CMEK
    • +1 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✗
Linux
ClickHouse✓
KairosDB✓
CLI
ClickHouse✓
KairosDB✗
Deployment
Cloud / SaaS
ClickHouse✓
KairosDB✗
Self-hosted
ClickHouse✓
KairosDB✓
Hybrid
ClickHouse✓
KairosDB✗

Integrations

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

In common (1)
  • Cassandra

ClickHouse

Leader
22 total - 21 not shared
  • Amazon S3
  • Kafka
  • Airbyte
  • Vector
  • PostgreSQL
  • MySQL
  • Microsoft Azure Data Factory
  • dbt
  • Calyptia
  • Dataddo
  • GrowthBook
  • OpenTelemetry
  • HyperDX
  • Langfuse
  • Google
  • Microsoft
  • AWS
  • Google Cloud
  • Azure
  • GitHub
  • Slack
Independently observed

KairosDB

3 total - 2 not shared
  • Graphite
  • Telnet
Independently observed
Still deciding?

ClickHouse or KairosDB: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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