Queries in replica instance are failing with the error "cancelling statement due to conflict with recovery". I was checking two parameters (max_standby_archive_delay and max_standby_streaming_delay) which may allow the queries to run within the time defined in those.
It is very bad list etiquette to reply to an email thread with an entirely new subject. Just send a new email to the list. You should include what you mean by "hide" when you do so.