Re: more descriptive message for process termination due to max_slot_wal_keep_size - Mailing list pgsql-hackers

... oh, one other point is that using %ld to print an int64 is entirely
not portable, as indeed the cfbot is complaining about.

I think our best practice on that is to put %lld in the format string
and explicitly cast the corresponding argument to "long long".

            regards, tom lane