On Wed, Oct 23, 2013 at 6:39 PM, <maillis...@gmail.com> wrote: > Newb question. > > I'm running 9.1 with a slave using streaming replication. A coworker wants > to turn off fsync on the master and insists that the slave will still be in > a usable state if there is a failure on the master. >
This would only be safe if you made sure to shoot the master in the head after a crash. If the master ever comes back up again, through automatic recovery or through start-up scripts, it could start feeding corrupt WAL records to the slave, corrupting it as well. Cheers, Jeff
