According to the postgresql 9.2.x documentation you can create streaming replication from a master server to a hot standby. I want to be able to have multiple hot standbys where read queries will be proxied to by pgpool middleware.
https://wiki.postgresql.org/wiki/Streaming_Replication
According to the documentation you add the following entry to the pg_hab.conf after creating a corresponding replicating user on the master server.
# The standby server must connect with a user that has replication privileges.
# TYPE DATABASE USER ADDRESS METHOD
host replication replication 192.168.0.20/32 md5
I do not see any example of any more that one replication address. And when I attempt to add another line. Only the last address specified as a replication host successfully established a streaming connection.
If this is not possible is there possibly a best practice to set up a streaming connection between one hot standby to another where the ultimate source is a designated master server.