Hi, a significant number of times during investigations of bugs I wondered whether running the cluster with various settings, or various tools could've caused the issue at hand. Therefore I'd like to propose adding a 'tainted' field to pg_control, that contains some of the "history" of the cluster. Individual bits inside that field that I can think of right now are: - pg_resetxlog was used non-passively on cluster - ran with fsync=off - ran with full_page_writes=off - pg_upgrade was used
What do others think? Perhaps we should rename 'tainted' to something less "blame-y" sounding, but I can't quite think of something more descriptive than 'cluster_history'. Greetings, Andres Freund
