GaussDB(DWS) Link Parameters
Table 1 describes the DWS link parameters.
Do not change the password or user when the job is running. If you do so, the password will not take effect immediately and the job will fail.
Parameter |
Description |
Example Value |
---|---|---|
Name |
Link name, which should be defined based on the data source type, so it is easier to remember what the link is for |
dws_link |
Database Server |
IP address or domain name of the database to connect Click Select next to the text box to obtain the list of instances. |
192.168.0.1 |
Port |
Port of the database to connect |
The port number varies depending on the database. |
Database Name |
Name of the database to connect |
dbname |
Username |
Username used for accessing the database. This user must have the permissions to read and write data tables and metadata. |
cdm |
Password |
Password of the user |
- |
Use Agent |
The agent function will be unavailable soon and does not need to be configured. |
- |
Agent |
The agent function will be unavailable soon and does not need to be configured. |
- |
Reference Sign |
(Optional) Delimiter between the names of the referenced tables or columns. For details, see the product documentation of the corresponding database. |
" |
Fetch Size |
(Optional) Displayed when you click Show Advanced Attributes. Number of rows obtained by each request. Set this parameter based on the data source and the job's data size. If the value is either too large or too small, the job may run for a long time. |
1000 |
SSL Encryption |
(Optional) If you set this parameter to Yes, CDM can connect to the database (on-premises databases excluded) in SSL encryption mode. |
Yes
NOTE:
To enable SSL encryption, you must ensure that it is enabled for GaussDB(DWS). |
Link Attributes |
(Optional) Click Add to add the JDBC connector attributes of multiple specified data sources. For details, see the JDBC connector document of the corresponding database.
The following are some examples:
|
sslmode=require
NOTE:
If SSL encryption is enabled but sslmode is not set, the link may fail. |
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