On Tue, Nov 24, 2015 at 12:48 PM, Marcin Mańk <marcin.mank@gmail.com> wrote:
> if SSDs have 4kB/8kB sectors, and we'd make the Postgres page
> size equal to the SSD page size, do we still need full_page_writes?
If an OS write of the PostgreSQL page size has no chance of being
partially persisted (a/k/a torn), I don't think full page writes
are needed. That seems likely to be true if pg page size matches
SSD sector size.
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company