OpenSearch vs VictoriaLogs
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
OpenSearch
Search and observability suite with logs and dashboards
VS
VictoriaLogs
Fast and resource-efficient open-source log database
| Feature | OpenSearch | VictoriaLogs |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 94 · Excellent | 86 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | Apache-2.0 |
| Language | Java | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 256 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, binary |
| GitHub stars | ★ 13,765 | ★ 2,311 |
| First released | 2021 | 2023 |
| Replaces | Elasticsearch, Splunk | Splunk, Elasticsearch |
What are OpenSearch and VictoriaLogs?
OpenSearch
OpenSearch is a community-driven search, analytics, and observability suite forked from Elasticsearch and Kibana. OpenSearch Dashboards provides log exploration, visualizations, and alerting for operational data.
- Full-text and log search
- Observability dashboards
- Anomaly detection
- Alerting plugin
VictoriaLogs
VictoriaLogs is an open-source log management solution from the VictoriaMetrics team. It offers fast full-text search, low resource usage, and the purpose-built LogsQL query language for analyzing logs at scale.
- LogsQL query language
- Low memory and disk usage
- High ingestion throughput
- Single-binary deployment
OpenSearch vs VictoriaLogs: key differences
OpenSearch is written in Java, while VictoriaLogs is built with Go. VictoriaLogs is the lighter option, starting around 256 MB of RAM against 2,048 MB for OpenSearch. OpenSearch is the more established project (first released 2021), while VictoriaLogs arrived in 2023. OpenSearch has the considerably larger community, at 13,765 GitHub stars versus 2,311.
Why pick each one
Choose OpenSearch if…
- Truly open-source license
- Rich analytics features
Watch out for
- Resource heavy
- Cluster tuning required
Choose VictoriaLogs if…
- Very efficient on hardware
- Fast log queries
Watch out for
- Newer and less battle-tested
- Smaller community
Frequently asked questions
Is OpenSearch or VictoriaLogs better?
Neither is universally better. OpenSearch has the larger community, while VictoriaLogs is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are OpenSearch and VictoriaLogs free and open-source?
Yes. OpenSearch is licensed under Apache-2.0 and VictoriaLogs under Apache-2.0. Both can be self-hosted at no software cost.
Can I run OpenSearch and VictoriaLogs with Docker?
OpenSearch: yes. VictoriaLogs: yes.
Which is lighter on resources, OpenSearch or VictoriaLogs?
VictoriaLogs has the smaller minimum footprint at 256 MB of RAM, compared to about 2,048 MB for OpenSearch. Real-world usage depends on library size, user count, and enabled features.