On Sat, Apr 20, 2019 at 12:21:36AM -0400, Robert Haas wrote: > As to that, what I'm proposing here is no different than what we are > already doing with physical and logical replication, except that it's > probably a bit cheaper. Physical replication reads all the WAL and > sends it all out over the network. Logical replication reads all the > WAL, does a bunch of computation, and then sends the results, possibly > filtered, out over the network. This would read the WAL and then > write a relatively small file to your local disk. > > I think the impact will be about the same as having one additional > standby, give or take.
Good point. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription +