netdata/collectors/python.d.plugin/varnish

varnish

Module uses the varnishstat command to provide varnish cache statistics.

It produces:

1. Connections Statistics in connections/s

   • accepted
   • dropped

2. Client Requests in requests/s

   • received

3. All History Hit Rate Ratio in percent

   • hit
   • miss
   • hitpass

4. Current Poll Hit Rate Ratio in percent

   • hit
   • miss
   • hitpass

5. Expired Objects in expired/s

   • objects

6. Least Recently Used Nuked Objects in nuked/s

   • objects

7. Number Of Threads In All Pools in threads

   • threads

8. Threads Statistics in threads/s

   • created
   • failed
   • limited

9. Current Queue Length in requests

   • in queue

10. Backend Connections Statistics in connections/s

    • successful
    • unhealthy
    • reused
    • closed
    • resycled
    • failed

11. Requests To The Backend in requests/s

    • received

12. ESI Statistics in problems/s

    • errors
    • warnings

13. Memory Usage in MB

    • free
    • allocated

14. Uptime in seconds

    • uptime

configuration

Only one parameter is supported:

instance_name: 'name'

The name of the varnishd instance to get logs from. If not specified, the host name is used.

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