On Sat, Nov 23, 2019 at 11:35:09AM -0500, Noah Misch wrote:
> That longstanding optimization is too useful to remove, but likely not useful
> enough to add today if we didn't already have it. The initial-data-load use
> case remains plausible. I can also imagine using wal_level=minimal for data
> warehouse applications where one can quickly rebuild from the authoritative
> data.
I can easily imagine cases where a user would like to use the benefit
of the optimization for an initial data load, and afterwards update
wal_level to replica so as they avoid the initial WAL burst which
serves no real purpose. So the first argument is pretty strong IMO,
the second much less.
--
Michael
