Uptime Kuma
Compare VPS plans to self-host Uptime Kuma. providers advertising 0.5GB+ RAM from $2/mo. Uptime Kuma server hosting comparison.
Find the best and cheapest VPS plans to self-host Uptime Kuma.
Minimum Requirements
These VPS plans meet the minimum requirements to run Uptime Kuma. Suitable for testing or light usage.
Recommended Requirements
For optimal performance, we recommend these VPS plans that exceed the minimum requirements.
Source: self-hosted-tools.json
Uptime Kuma VPS Sizing: Storage, Sync, and Scale
Uptime Kuma polls websites, APIs, ports, and containers on a schedule. The VPS choice matters less for raw compute than for whether those monitoring requests leave the box on time, return consistently, and keep enough history for useful alerts.
Resource Profile Classification
The primary resource profile is Network-bound because Uptime Kuma is very light as an application. self-hosted-tools.json lists 0.5 GB minimum RAM and 2 GB recommended RAM, which is enough for the web UI and history store; the real pressure comes from monitoring requests, retention windows, notification fan-out, and whether the VPS has stable outbound connectivity.
Uptime Kuma is very light on CPU and RAM, but monitor count, polling frequency, retention, and outbound notification traffic turn network reliability into the first production constraint.
Storage and Network Interpretation
Storage needs stay small at 1 GB minimum and 5 GB recommended, but network path quality matters because monitors are only useful if checks fire on schedule. Retention settings and screenshot features influence disk use, while SQLite or MariaDB choice affects history queries more than raw CPU demand. If the provider does not publish clear network terms locally, We recommend verifying the latest uplink specs directly on the provider's SLA due to regional variation.
Minimum vs Production vs Scale
| Stage | Source | CPU | RAM | Storage | Interpretation |
|---|---|---|---|---|---|
| Minimum | requirements.minimum |
1 Core | 0.5 GB | 1 GB | The 0.5 GB and 1-core floor is enough for a personal monitoring node with a small number of checks and short history. |
| Production | requirements.recommended |
2 Cores | 2 GB | 5 GB | The 2 GB and 2-core production tier is the comfortable baseline for a small live deployment with more monitors, longer retention, and reliable notifications. |
| Scale | editorial interpretation |
CPU remains modest; only large monitor counts, screenshots, or database-heavy history queries justify much more compute. | Add RAM mainly for larger history stores, more concurrent monitor states, and database cache if MariaDB replaces SQLite. | Scale storage with retention, screenshots, and history depth rather than the application code itself. | At scale, Uptime Kuma still stays light. The next decision is usually cleaner network placement, sane polling intervals, better database choice for retention, and maybe separating the monitor node from other noisy services rather than buying a compute-heavy VPS. |
Anti-Patterns
- Do not size Uptime Kuma like a heavy observability suite; it is very light, but that does not remove the need for reliable outbound networking.
- Do not ignore retention settings, because long history windows and screenshots make the tiny minimum storage figure misleading over time.
- Do not run dozens or hundreds of aggressive monitors from a noisy low-end VPS and assume alert timing will stay accurate.
- Do not judge the host only by CPU or RAM when network jitter, DNS reliability, and notification delivery are the real failure modes.
Who It Fits
For: Good fit for buyers who want lightweight uptime checks, simple alerting, and a monitoring node that can share a modest VPS with other small services.
Not for: Avoid an entry-level VPS if uptime checks are business-critical, if you need large monitor counts with short polling intervals, or if the provider has weak outbound consistency.
FAQ
Is Uptime Kuma heavy to host?
No. It is very light compared with full observability stacks, but it still depends on stable outbound network behavior for monitor accuracy.
What breaks first on a cheap VPS?
Usually timing and network consistency: checks run late, brief outages are missed, or notifications arrive late before CPU or RAM is fully exhausted.
What should I check before buying?
Check outbound network quality, retention storage, database choice for history, renewal pricing, and whether alerting volume will grow beyond a hobby setup.
Quality Checks
- Engineering-Check: Yes, the page names the first bottleneck and its failure mode.
- Trade-off-Check: Yes, it states who should avoid an entry-level VPS.
- Renewal-Price-Check: Yes, buyers are warned that low first-term prices can distort VPS selection.
- Keyword-Anchor-Check: Yes, internal anchors on the page use VPS and self-hosting terms instead of generic labels.
- Data-Link-Check: Yes, Minimum and Production values map to
self-hosted-tools.json. - Uniqueness-Check: Yes, the analysis is tied to Uptime Kuma bottlenecks rather than a name-swap template.
What is Uptime Kuma?
Uptime Kuma is a self-hosted monitoring tool that tracks website, API, and service availability. It polls HTTP(s), TCP, Ping, DNS, and Docker endpoints, then alerts via 90+ notification channels when targets go down. Teams self-host it when they want status pages, incident alerting, and historical uptime data without paying for a commercial monitoring SaaS. The monitoring interval and notification queue are the operational variables to tune.
Why Server Specs Matter
Uptime Kuma is remarkably efficient, written in Node.js with Vue.js frontend. The application continuously sends monitoring requests at configured intervals and stores historical data in SQLite or MariaDB. Memory usage scales with the number of monitors and historical data retention. CPU usage is minimal - mostly just making HTTP requests and processing responses. Network connectivity is more important than raw computing power.
Problems with Undersized Servers
Even with minimal requirements, very limited resources cause issues. Monitors may execute late, missing brief outages. The web dashboard becomes slow with many monitors. Historical data queries take longer. Push notifications may be delayed. However, Uptime Kuma is designed to run on minimal hardware - it functions on Raspberry Pi Zero with constraints.
Our Recommendation
Uptime Kuma runs excellently on 512MB RAM and 1 CPU core for dozens of monitors. Larger deployments with hundreds of monitors should use 1-2GB RAM. Storage depends on retention settings - 1-5GB covers most use cases. SQLite works well for smaller deployments; switch to MariaDB for better performance with many monitors. The application is ideal for running alongside other services due to its minimal footprint.
Minimum Requirements - VPS Plans
These VPS plans meet the minimum requirements to run Uptime Kuma. Suitable for testing or light usage.
| Provider | Plan | CPU | RAM | Storage | Features | Price/mo | Actions |
|---|
Recommended Requirements - VPS Plans
For optimal performance, we recommend these VPS plans that exceed the minimum requirements.
| Provider | Plan | CPU | RAM | Storage | Features | Price/mo | Actions |
|---|
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