Comparison

KairosDB vs VictoriaMetrics

On the evidence we track, VictoriaMetrics leads this comparison with a composite score of 45/100. 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
★VictoriaMetrics45
Score
vioscaleAI score
KairosDB30 / 100medium · 55%
VictoriaMetrics45 / 100medium · 55%
Pricing
Free tier
KairosDB–
VictoriaMetrics✓
Model
KairosDBopen_source
VictoriaMetricscommercial
Price level
KairosDBfree
VictoriaMetricslow
Transparent
KairosDB–
VictoriaMetrics✗
Integrations
Count
KairosDB3
VictoriaMetrics8
Reliability
Status page
KairosDB✓
VictoriaMetrics✓
Adoption
Dependent repos
KairosDB32
VictoriaMetrics25
Github stars
KairosDB1,761
VictoriaMetrics17,865
Package downloads weekly
KairosDB3
VictoriaMetrics–
Activity
Commits last 30d
KairosDB0
VictoriaMetrics100
Release
Cadence days
KairosDB92
VictoriaMetrics–
History
KairosDB15 items
VictoriaMetrics20 items
License
Spdx
KairosDBApache-2.0
VictoriaMetricsApache-2.0
Language
Primary
KairosDBJava
VictoriaMetricsGo
Market
Availability
KairosDB–
Content
Faq
KairosDB6 items
VictoriaMetrics7 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
VictoriaMetricsMetricsQL (metrics), LogsQL (logs)
SQL compatibility
KairosDBNon-SQL
VictoriaMetricsNon-SQL
Ingest
Ingest model
KairosDBPush
VictoriaMetricsBoth
Model
Data model
KairosDBMetrics (labels/tags)
VictoriaMetricsBoth
Lifecycle
Downsampling / rollups
KairosDBContinuous aggregates
VictoriaMetricsContinuous aggregates
Retention / TTL
KairosDBManual
VictoriaMetricsManual
Storage
Compression (columnar / delta / Gorilla)
KairosDB-
VictoriaMetrics-
Performance
High-cardinality handling
KairosDBStrong
VictoriaMetricsStrong
Scale
Clustering / horizontal scale
KairosDBDistributed / sharded
VictoriaMetricsDistributed / sharded
Replication / HA
KairosDB✓
VictoriaMetrics-
Deployment
Deployment
KairosDBSelf-hosted
VictoriaMetricsSelf-hosted
Interop
Prometheus remote-write compatible
KairosDB-
VictoriaMetrics✓
Licensing
Licence class
KairosDBSource-available
VictoriaMetricsPermissive 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

VictoriaMetrics

Leader

A high-performance time-series database optimized for storing, querying, and managing large volumes of metrics data cost-effectively, commonly used for monitoring and observability in cloud-native environments.

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 ↗

VictoriaMetrics

Leader
HybridFree tier

Open source with free evaluation; enterprise support available

as of verify ↗

Platform & deployment

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

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

Integrations

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

In common (1)
  • Graphite

KairosDB

3 total - 2 not shared
  • Cassandra
  • Telnet
Independently observed

VictoriaMetrics

Leader
18 total - 17 not shared
  • Prometheus
  • Logstash
  • Fluentbit
  • Promtail
  • Elasticsearch
  • Loki
  • Grafana
  • OpenLIT
  • S3
  • GCS
  • InfluxDB
  • DataDog
  • StatsD
  • OpenTSDB
  • Kubernetes
  • Jaeger
  • OpenTelemetry
Independently observed
Still deciding?

KairosDB or VictoriaMetrics: 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.