# KairosDB

> Fast Time Series Database on Cassandra

- **Canonical URI:** https://www.vioscale.ai/software/kairosdb
- **Category:** Time-Series Databases
- **Homepage:** https://kairosdb.github.io/
- **Also known as:** kairosdb
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T21:21:52.915Z

## Vioscale score

**15.4 / 100**, confidence 30% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 28.9 | 17 | 491.4 | ✓ |
| github_stars | 61.2 | 7 | 428.7 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 0 | 20 | 0 | ✓ |
| release_cadence | 0 | 12 | 0 | ✓ |
| security_posture | 0 | 18 | 0 | - |
| package_downloads | 6.2 | 6 | 37.2 | ✓ |
| stackoverflow_activity | 0 | 20 | 0 | - |

## About

KairosDB is an open source time series database built on Cassandra. It supports multiple ingest protocols including REST, Telnet, and Graphite, with query capabilities via REST API and a Web UI.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Self-hosted

## Capabilities

_The capabilities that matter for Time-Series Databases. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Query** | |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | REST API, Telnet, Graphite |
| **Ingest** | |
| Ingest model | Push |
| **Model** | |
| Data model | Metrics (labels/tags) |
| **Lifecycle** | |
| Downsampling / rollups | Continuous aggregates |
| **Storage** | |
| Compression (columnar / delta / Gorilla) | - |
| **Performance** | |
| High-cardinality handling | - |
| **Scale** | |
| Clustering / horizontal scale | Distributed / sharded |
| Replication / HA | ✓ |
| **Deployment** | |
| Deployment | Self-hosted |
| **Lifecycle** | |
| Retention / TTL | Manual |
| **Query** | |
| SQL compatibility | Non-SQL |
| **Interop** | |
| Prometheus remote-write compatible | - |
| **Licensing** | |
| Licence class | Permissive OSS |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 0 | [link](https://github.com/kairosdb/kairosdb/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 1,762 | [link](https://github.com/kairosdb/kairosdb) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 2 | [link](https://www.npmjs.com/package/kairosdb) | 2026-08-03 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Java | [link](https://github.com/kairosdb/kairosdb) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/kairosdb/kairosdb) | 2026-08-03 | 67% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 209 | [link](https://github.com/kairosdb/kairosdb/releases) | 2026-08-03 | 70% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://kairosdb.github.io/status) | 2026-08-03 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/kairosdb). Independent, evidence-based software intelligence. Cite the canonical URI.*