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openGemini review

Free#18 of 36 in Time-Series Databases

A flexible open-source choice for InfluxQL and PromQL deployments.

7.2/10Editor score
openGemini7.2 Visit openGemini

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

openGemini is an open-source, cloud-native distributed time-series database for observability data, including metrics, logs, and traces. It supports Linux, macOS, Windows, Docker, Kubernetes, virtual machines, and physical machines, with both standalone and clustered deployment options. Teams that need control over their deployment environment and compatibility with InfluxDB or Prometheus tooling are the clearest fit. Its free open-source model also suits organizations building their own time-series stack rather than selecting a managed service.

The standout capability is its distributed MPP architecture, where components can be scaled independently. That design is paired with configurable retention policies and shard durations for managing time-series data over time. Query support covers both InfluxQL and PromQL, while ingestion includes InfluxDB line protocol, Apache Arrow Flight, and Prometheus remote read/write. This gives openGemini a broad compatibility layer for observability pipelines, especially when existing systems already use Prometheus, Grafana, Kubernetes, or the InfluxDB SDK.

openGemini is strongest for teams that want deployment flexibility and open-source control without giving up familiar query and ingestion interfaces. Its breadth across protocols and deployment models makes it suitable for both smaller standalone installations and clustered environments with independently scalable components. The trade-off is that self-hosted software places infrastructure, operations, and ongoing administration with the adopting team. Organizations seeking a hosted experience or a longer-established project may prefer an alternative; teams prioritizing InfluxQL or PromQL compatibility and direct control should consider openGemini.

openGemini pros and cons

  • Where it wins
    • Supports standalone and clustered deployments
    • Offers independently scalable distributed MPP components
    • Works with InfluxQL, PromQL, Prometheus, and InfluxDB APIs
  • Where it doesn't
    • Self-hosted deployment requires infrastructure management
    • Its feature set centers on time-series workloads
    • Established since 2022, it has a shorter project history

openGemini fact sheet, pricing and score →

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