Application Performance Monitoring (APM)

Tracking issue for https://about.gitlab.com/handbook/engineering/incubation/monitor-apm/

Metrics to traces https://twitter.com/roidelapluie/status/1371763747522494464 https://appscope.dev/

Polar Signals Continuous Profiling https://docs.google.com/document/d/1IIUVQoOf83Epm_6SmX98qFukUMOlArhLccSdx7VD3aU/edit?usp=sharing

Opstrace https://opstrace.com/ https://docs.google.com/document/d/1pksrG344JyXWcJ9zgKJ6gl6fe6bLGsi6FPEsFrFf078/edit#heading=h.kkgibevzayuj