Using Grafana & Catalog Diff to tune the Puppet Server
Puppet Infrastructure Performance
2Taming Puppetserver 6 Pt II: Garbage Collection
PuppetServer can be spending a lot of time doing gargage collection, which impacts its performance
3Getting Puppet Report Metrics from PuppetDB
Instead of sending metrics from the Puppetserver to Prometheus, they can be retrieved using the PuppetDB Metrics API.