Registering the server definitions for the HDFS data source

You must register HDFS data source server that you want to access in the federated database.

Procedure

  1. 1. Locate the server name of your HDFS data source server.
  2. To create the server, issue the CREATE SERVER statement from the command line.
    For example:
    CREATE SERVER server_definition_name 
    TYPE hdfsparquet 	 
    VERSION version_number 
    WRAPPER wrapper_name 
    OPTIONS  (HOST 'host_name', PORT 'port_number', DBNAME 'database_name');
    VERSION
    The version of the HDFS database server that you want to access. .
    WRAPPER
    The wrapper name that you specified in the CREATE WRAPPER statement.
    HOST
    The server name where the HDFS database server resides. User can specify the IP address as the hostname.
    PORT
    The name node server listen port.
    DBNAME
    The value of this option is not used, but it is also a mandatory option during create server.