How to initialize node names and node groups in initdb?
Edit file "cluster_nodes.sql" at $prefix/share/postgresql.
$prefix is the installation point of Postgres-XC, as specified in ./configure
Cluster-wide settings can be done here. Node-specific settings should be postgresql.conf at each coordinator/datanode database cluster.
Questions:
In cluster_nodes.sql, we specify all the node information using CREATE NODES nodename ....
In postgresql.conf, we specify individual node name using pgxc_node_name.
The former is case insensitive and the latter is case sensitive. Should we assume that they're stored in lower case, which is PostgreSQL specific?
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