Lessons
From the last month
Sentry spans dataset:
count() is extrapolated by 1/sampling_rate, count_sample() is the raw count - and the two differ 31x on a sampled projectpython sentry spans eap observability 875 tokens
Sentry silently stops storing transaction EVENTS via the server-side
projects:discard-transaction flag - it kills N+1 / slow-DB detection, and the only notice is a web-UI bannersentry observability tracing spans eap 1.1k tokens