Hello Takayuki, Sorry can you explain how we can same network bandwidth by not sending the WAL archive from the primary to the standby(s). I possible scenario is have to multiple standby servers in same host for same master. or other scenarios exists ?
Many thanks in advance, Adelino. On Mon, Oct 22, 2018 at 1:47 AM Tsunakawa, Takayuki < tsunakawa.ta...@jp.fujitsu.com> wrote: > From: Adelino Silva [mailto:adelino.j.si...@googlemail.com] > > What is the advantage to use archive_mode = always in a slave server > compared > > to archive_mode = on (shared WAL archive) ? > > > > I only see duplication of Wal files, what is the purpose of this feature > ? > > This also saves you the network bandwidth by not sending the WAL archive > from the primary to the standby(s). The network bandwidth can be costly > between remote regions for disaster recovery. > > > Regards > Takayuki Tsunakawa > > > >