Calculates the replication lag time between master and slave PostgreSQL databases. Reports replay time difference in seconds. Both databases must use the same credentials. Parameters must be separated by commas.Parameters (in order):Slave/secondary replication hostSlave/secondary replication host TCP port (default = 5432)Replication database nameMaster/primary replication host (default = Node IP)Master/primary replication host TCP port (default = 5432)