Creating a Data Connection

Scenario

You can use data connections to access different data services. Currently, FlinkServer supports HDFS and Kafka data connections.

Creating a Data Connection

1. Access the Flink web UI. For details, see Accessing the Flink Web UI.
2. Choose System Management > Data Connection Management. The Data Connection Management page is displayed.
3. Click Create Data Connection. On the displayed page, select a data connection type, enter information by referring to Table 1, and click OK. After the data connection is created, you can edit, test, or delete the data connection in the Operation column.

   Table 1 Parameters for creating a data connection

   Parameter	Description	Example Value
   Data Connection Type	Type of the data connection, which can be HDFS or Kafka.	-
   Data Connection Name	Name of the data connection.	-
   Cluster Connection	Cluster connection name in configuration management. This parameter is mandatory for HDFS data connections.	-
   Kafka broker	Connection information about Kafka broker instances. The format is IP address:Port number. Use commas (,) to separate multiple instances. This parameter is mandatory for Kafka data connections.	192.168.0.1:21005,192.168.0.2:21005
   Authentication Mode	SIMPLE: indicates that the connected service is in non-security mode and does not need to be authenticated. KERBEROS: indicates that the connected service is in security mode and the Kerberos protocol for security authentication is used for authentication.	-