Observability
Log aggregation and analysis: turning logs into something you can ask questions of
Why logs on twelve hosts are not observability: what to ship, what to index, how to carry a trace id across services, and what to alert on.
Category
Logs, traces and metrics as one story: how to keep enough of each, joined by one identifier, to answer the question you did not plan for.
Observability
Why logs on twelve hosts are not observability: what to ship, what to index, how to carry a trace id across services, and what to alert on.
Observability
APM and infrastructure monitoring answer different questions. What each sees, what each misses, and which your estate needs first.