Grafana Loki vs VictoriaLogs
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Grafana Loki
Log aggregation system inspired by Prometheus
VS
VictoriaLogs
Fast and resource-efficient open-source log database
| Feature | Grafana Loki | VictoriaLogs |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 98 · Excellent | 86 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | AGPL-3.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, binary |
| GitHub stars | ★ 28,937 | ★ 2,311 |
| First released | 2018 | 2023 |
| Replaces | Splunk, Datadog Logs | Splunk, Elasticsearch |
What are Grafana Loki and VictoriaLogs?
Grafana Loki
Grafana Loki is a horizontally scalable, highly available log aggregation system. Unlike other log systems, it indexes only metadata labels rather than full text, making it cost-effective and simple to operate.
- Label-based log indexing
- LogQL query language
- Tight Grafana integration
- Object storage backend
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
Grafana Loki vs VictoriaLogs: key differences
Both projects are written in Go. Licensing differs — AGPL-3.0 for Grafana Loki versus Apache-2.0 for VictoriaLogs. VictoriaLogs is the lighter option, starting around 256 MB of RAM against 512 MB for Grafana Loki. Grafana Loki is the more established project (first released 2018), while VictoriaLogs arrived in 2023. Grafana Loki has the considerably larger community, at 28,937 GitHub stars versus 2,311.
Why pick each one
Choose Grafana Loki if…
- Cheap to run compared to full-text indexers
- Familiar Prometheus-style labels
Watch out for
- Limited full-text search
- Requires Grafana for best experience
Choose VictoriaLogs if…
- Very efficient on hardware
- Fast log queries
Watch out for
- Newer and less battle-tested
- Smaller community
Frequently asked questions
Is Grafana Loki or VictoriaLogs better?
Neither is universally better. Grafana Loki has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Grafana Loki and VictoriaLogs free and open-source?
Yes. Grafana Loki is licensed under AGPL-3.0 and VictoriaLogs under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Grafana Loki and VictoriaLogs with Docker?
Grafana Loki: yes. VictoriaLogs: yes.
Which is lighter on resources, Grafana Loki or VictoriaLogs?
VictoriaLogs has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Grafana Loki. Real-world usage depends on library size, user count, and enabled features.