Re: Avoiding adjacent checkpoint records

Bruce Momjian <bruce@momjian.us> writes:
> Stupid question, but why are we not just setting a boolean variable in
> shared memory if we WAL-write a non-XLOG_RUNNING_XACTS record, and only
> checkpoint if that is true?

Well, (1) we are trying to avoid adding such logic to the critical
section inside XLogInsert, and (2) XLOG_RUNNING_XACTS is not the only
problematic record type, there's at least one other.
        regards, tom lane