Sorry, I was misstyped. non shared -> shared
On Sat, Jul 28, 2018 at 01:05:40AM +0900, Ioseph Kim wrote: > Hi. > > I want to build one master & multi slave environments to use physical > replication. > Slave nodes have low hardware spec, so I changed max_connection server > parameters, and try start slave node. > But I could not start slave nodes, > because CheckRequiredParameterValues function (in > src/backend/access/transam/xlog.c) reject to set less values then master’s > values. > > It is maybe, > This concept is base on some slave node can be promte master. > In my enterprise environments, readonly slave nodes are not used as master. > For High availability of master node, I’m using non shared disk fail over > (like using pacemaker), > Then my slave nodes are used for always readonly nodes. > > I suggest that new server parameter is added, such like allow_promote = > on|off. > If allow_promte set off then CheckRequiredParameterValues skip check slave > node parameters. > > If there is a better plan, it is welcome too. > > Regards, ioseph. > >
