On 2016-04-28 21:32:37 +0200, Simon Riggs wrote: > On 27 April 2016 at 17:04, Craig Ringer <[email protected]> wrote: > > > On 27 April 2016 at 21:44, Tom Lane <[email protected]> wrote: > > > >> Petr Jelinek <[email protected]> writes: > >> > +1 (Abhijit's wording with data loss changed to data corruption) > >> > >> I'd suggest something like > >> > >> #fsync = on # flush data to disk for crash > >> safety > >> # (turning this off can cause > >> # unrecoverable data corruption!) > >> > >> > > Looks good. > > > > The docs on fsync are already good, it's just a matter of making people > > think twice and actually look at them. > > > > If fsync=off and you turn it on, does it fsync anything at that point? > > Or does it mean only that future fsyncs will occur?
Abhijit had a patch implementing automatically running fsync whenever reenabled IIRC. Abhijit? Andres -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
