Apache SkyWalking vs Zabbix
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Zabbix
Enterprise-grade open-source monitoring solution
| Feature | Apache SkyWalking | Zabbix |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 97 · Excellent | 89 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | AGPL-3.0 |
| Language | Java | Go Template |
| Setup difficulty | Hard | Hard |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes, helm | docker, bare-metal |
| GitHub stars | ★ 24,962 | ★ 6,411 |
| First released | 2015 | 2001 |
| Replaces | New Relic, Datadog | Datadog, Nagios |
What are Apache SkyWalking and Zabbix?
Apache SkyWalking
Apache SkyWalking is an APM and observability platform for distributed systems, especially microservices and cloud-native architectures. It provides tracing, metrics, logging, and service topology analysis.
- Distributed tracing and metrics
- Service topology maps
- eBPF and OTel integration
- Alerting engine
Zabbix
Zabbix is an enterprise-class monitoring solution for networks, servers, cloud, and applications with deep alerting. It targets organizations needing comprehensive infrastructure monitoring. It is deployed via Docker or native packages.
- Agent and agentless monitoring
- Powerful triggers and alerting
- Network discovery and maps
- Highly scalable
Apache SkyWalking vs Zabbix: key differences
Apache SkyWalking is written in Java, while Zabbix is built with Go Template. Licensing differs — Apache-2.0 for Apache SkyWalking versus AGPL-3.0 for Zabbix. Zabbix is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Apache SkyWalking. Zabbix is the more established project (first released 2001), while Apache SkyWalking arrived in 2015. Apache SkyWalking has the considerably larger community, at 24,962 GitHub stars versus 6,411.
Why pick each one
Choose Apache SkyWalking if…
- Full observability suite
- Strong Apache governance
Watch out for
- Steep learning curve
- Storage backend required
Choose Zabbix if…
- Comprehensive and mature
- Scales to large estates
- Fully free
Watch out for
- Steep learning curve
- Dated interface
Frequently asked questions
Is Apache SkyWalking or Zabbix better?
Neither is universally better. Apache SkyWalking has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Apache SkyWalking and Zabbix free and open-source?
Yes. Apache SkyWalking is licensed under Apache-2.0 and Zabbix under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Apache SkyWalking and Zabbix with Docker?
Apache SkyWalking: yes. Zabbix: yes.
Which is lighter on resources, Apache SkyWalking or Zabbix?
Zabbix has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Apache SkyWalking. Real-world usage depends on library size, user count, and enabled features.