tApacheKuduInput Standard properties
These properties are used to configure tApacheKuduInput running in the Standard Job framework.
The Standard tApacheKuduInput component belongs to the Big Data family.
The component in this framework is available in all subscription-based Talend products.
Basic settings
Property type |
Either Built-In or Repository. Built-In: No property data stored centrally. Repository: Select the repository file where the properties are stored. |
Master addresses |
Click the plus button on the bottom of this field to add and configure master addresses.
To add multiple master nodes that are of the same Apache Kudu cluster, add them in separate rows. |
Table name |
Enter the name of the Apache Kudu table to retrieve data from. You can also select the name of the Apache Kudu table by clicking the [...] button next to this field. |
Schema and Edit schema |
A schema is a row description. It defines the number of fields (columns) to be processed and passed on to the next component. When you create a Spark Job, avoid the reserved word line when naming the fields.
Click Edit schema to make changes to the schema. If the current schema is of the Repository type, three options are available:
|
Guess schema |
Click this button to retrieve the table schema. |
Advanced settings
tStatCatcher Statistics |
Select this check box to gather the Job processing metadata at the Job level as well as at each component level. |
Global Variables
Global Variables |
NB_LINE: the number of rows read by an input component or transferred to an output component. This is an After variable and it returns an integer. ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box. A Flow variable functions during the execution of a component while an After variable functions after the execution of the component. To fill up a field or expression with a variable, press Ctrl+Space to access the variable list and choose the variable to use from it. For more information about variables, see Using contexts and variables. |
Usage
Usage rule |
This component is used as a start component and requires an output link. |