Comparison

KairosDB vs OpenTSDB

On the evidence we track, OpenTSDB leads this comparison with a composite score of 35/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
KairosDB30
★OpenTSDB35
Score
vioscaleAI score
KairosDB30 / 100medium · 55%
OpenTSDB35 / 100low · 44%
Pricing
Free tier
KairosDB–
OpenTSDB✓
Model
KairosDBopen_source
OpenTSDBopen_source
Price level
KairosDBfree
OpenTSDBfree
Integrations
Count
KairosDB3
OpenTSDB3
Reliability
Status page
KairosDB✓
OpenTSDB✓
Adoption
Dependent repos
KairosDB32
OpenTSDB175
Github stars
KairosDB1,761
OpenTSDB5,064
Package downloads weekly
KairosDB3
OpenTSDB30
Activity
Commits last 30d
KairosDB0
OpenTSDB0
Release
Cadence days
KairosDB92
OpenTSDB77
History
KairosDB15 items
OpenTSDB20 items
License
Spdx
KairosDBApache-2.0
OpenTSDBLGPL-2.1
Language
Primary
KairosDBJava
OpenTSDBJava
Content
Faq
KairosDB6 items
OpenTSDB5 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)
KairosDBREST API, Graphite protocol
OpenTSDB-
SQL compatibility
KairosDBNon-SQL
OpenTSDB-
Ingest
Ingest model
KairosDBPush
OpenTSDBPush
Model
Data model
KairosDBMetrics (labels/tags)
OpenTSDBMetrics (labels/tags)
Lifecycle
Downsampling / rollups
KairosDBContinuous aggregates
OpenTSDBContinuous aggregates
Retention / TTL
KairosDBManual
OpenTSDBManual
Storage
Compression (columnar / delta / Gorilla)
KairosDB-
OpenTSDB-
Performance
High-cardinality handling
KairosDBStrong
OpenTSDB-
Scale
Clustering / horizontal scale
KairosDBDistributed / sharded
OpenTSDBDistributed / sharded
Replication / HA
KairosDB✓
OpenTSDB-
Deployment
Deployment
KairosDBSelf-hosted
OpenTSDBSelf-hosted
Interop
Prometheus remote-write compatible
KairosDB-
OpenTSDB-
Licensing
Licence class
KairosDBSource-available
OpenTSDBPermissive OSS

What each one is

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

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

OpenTSDB

Leader

An open-source system for ingesting, storing, and analyzing operational metrics from infrastructure and applications. Designed to handle thousands of measurement streams from numerous hosts and services, it enables rapid data collection and subsequent querying of metric data.

Independently observed

Pricing

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

KairosDB

Open source
as of verify ↗

OpenTSDB

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
KairosDB✗
OpenTSDB✓
Linux
KairosDB✓
OpenTSDB✗
Deployment
Self-hosted
KairosDB✓
OpenTSDB✓

Integrations

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

KairosDB

3 total
  • Cassandra
  • Graphite
  • Telnet
Independently observed

OpenTSDB

Leader
3 total
  • Nagios
  • Icinga
  • Gnuplot
Independently observed
Still deciding?

KairosDB or OpenTSDB: 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.