This package publishes Plone statistics in a format that can be consumed by Prometheus.

It was largely based on munin.zope. See https://pypi.org/project/munin.zope/

It provides the following data:

• The number of running Zope ZServer threads (with the zserver extra)
• The number of Zope ZServer threads not in use (with the zserver extra)
• The number of objects in the Zope database
• Memory used by the Zope cache
• The number of objects that can be stored in the Zope cache
• ZODB load count
• ZODB store count
• ZODB connections
• Active Zope Objects
• Total Zope Objects

Add collective.prometheus to your instance eggs in buildout.cfg.

Assuming Plone listens on localhost:8000, start your Plone instance and visit http://localhost:8000/@@metrics to see the output and confirm that data is being reported.

If so, add a job to your scrape_configs in pometheus.yaml:

- job_name: 'plone'
  metrics_path: '/@@metrics'
  static_configs:
  - targets: ['localhost:8000']