Bruce Momjian <pgman@candle.pha.pa.us> writes:
> The only problem is that we would no longer have control over which
> pages made it to disk. The OS would perhaps write pages as we modified
> them. Not sure how important that is.
Unfortunately, this alone is a *fatal* objection. See nearby
discussions about WAL behavior: we must be able to control the relative
timing of WAL write/flush and data page writes.
regards, tom lane