performance

https://marketplace.atlassian.com/apps/1218015/prometheus-exporter-for-confluence?hosting=server&tab=overview
https://mail.google.com/mail/u/0?ik=86a450a9a5&view=pt&search=all&permthid=thread-a%3Ammiai-r-6508182091230760646&simpl=msg-a%3As%3A-140085794585147105&simpl=msg-f%3A1604976099352544775&simpl=msg-a%3As%3A8001938173623405219