> > Is there some technical reason that the INSERT statements need to use WAL
> > in
> > these scenarios?
>
> First, there's enough other overhead to an INSERT that you'd not save
> much percentagewise. Second, not using WAL doesn't come for free: the
> cost is having to fsync the whole table afterwards. So it really only
> makes sense for commands that one can expect are writing pretty much
> all of the table. I could easily see it being a net loss for individual
> INSERTs.
What about multi value inserts? Just curious.
Joshua D. Drake
>
> regards, tom lane
>
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