Help Center/ Cloud Data Migration/ User Guide/ Creating a Link in a CDM Cluster/ Configuring Link Parameters/ YASHAN Link Parameters
Updated on 2024-10-24 GMT+08:00
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YASHAN Link Parameters

Table 1 describes the YASHAN 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.

Table 1 YASHAN link parameters

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

yashan_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

1688

Database Name

Name of the database to connect

dbname

Username

Username used for accessing the database This account must have the permissions required 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.

"

Driver Version

Different types of relational databases adapt to different drivers. For details, see How Do I Obtain a Driver?

-

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 too large or too small, the job execution time may be affected.

1000

SSL Encryption

(Optional) Displayed when you click Show Advanced Attributes.

Select Yes if you want to enable SSL encrypted transmission.

Yes

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:
  • socketTimeout: JDBC connection timeout duration, in milliseconds
  • mysql.bool.type.transform: whether to parse tinyint(1) to a Boolean value during data reading from a MySQL database. The default value is true.

socketTimeout=300

Link Secret Attributes

Custom secret attributes of the link

xxx=xxx