Varnish

Varnish is a reverse caching proxy that acts as an HTTP accelerator, optimizing content-heavy dynamic websites and APIs.

Use OpenPanel > Caching > Varnish to manage the Varnish service, enable or disable it per domain, and view service logs.

Status​

Enable or disable the Varnish service globally.

• The current service status is displayed.
• Use the toggle to enable or disable Varnish as needed.

Varnish Cache​

While the service is running, real-time cache performance and efficiency metrics are displayed, including Hit Ratio, Hits, Misses, Pass, Requests, Backend Requests, Backend Failures and an overall Efficiency Score.

Domains​

Control Varnish caching on a per-domain basis.

• Each domain has a toggle showing its current status.
• Click the toggle to enable or disable Varnish caching for that specific domain.

Container​

While the service is running, real-time resource usage (CPU, memory, network and block I/O) is displayed. Click Edit limits to adjust the container's resource limits from the Docker/Containers page.

Logs​

Monitor Varnish activity and troubleshoot issues by viewing service logs.

• Click View service log to open and follow the log output in real time.