tRunJob properties for Apache Spark Batch
These properties are used to configure tRunJob running in the Spark Batch Job framework.
The Spark Batch tRunJob component belongs to the System family.
The component in this framework is available in all Talend products with Big Data and Talend Data Fabric.
Basic settings
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Use dynamic job |
Select this check box to allow multiple Jobs to be called and processed. When this option is enabled, only the latest version of the Jobs can be called and processed. An independent process will be used to run the subJob. The Context and the Use an independent process to run subJob options disappear. Information noteWarning: The Use
dynamic job option is not compatible with the Jobserver cache.
Therefore, the execution may fail if you run a Job that contains tRunjob with this check box selected in Talend Administration Center.
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Context job |
This field is visible only when the Use dynamic job option is selected. Enter the name of the Job that you want to call from the list of Jobs selected. |
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Job |
Select the Job to be called in and processed. Make sure you already executed once the Job called, beforehand, in order to ensure a smooth run through tRunJob. It is not recommended to call a Standard Job from a Spark Batch Job as it causes many issues. |
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Version |
Select the child Job version that you want to use. |
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Context |
If you defined contexts and variables for the Job to be run by the tRunJob, select the applicable context entry on the list. |
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Die on child error |
Clear this check box to execute the parent Job even though there is an error when executing the child Job. |
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Transmit whole context |
Select this check box to get all the context variables from the parent Job. Deselect it to get all the context variables from the child Job. If this check box is selected when the parent and child Jobs have
the same context variables defined:
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Context Param |
You can change the value of selected context parameters. Click the [+] button to add the parameters defined in the Context tab of the child Job. For more information on context parameters, see Talend Studio User Guide. The values defined here will be used during the child Job execution even if Transmit whole context is selected. |
Advanced settings
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Print Parameters |
Select this check box to display the internal and external parameters in the Console. |
Usage
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Usage rule |
This component is used with no need to be connected to other components. This component, along with the Spark Batch component Palette it belongs to, appears only when you are creating a Spark Batch Job. Note that in this documentation, unless otherwise explicitly stated, a scenario presents only Standard Jobs, that is to say traditional Talend data integration Jobs. |
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Spark Connection |
In the Spark
Configuration tab in the Run
view, define the connection to a given Spark cluster for the whole Job. In
addition, since the Job expects its dependent jar files for execution, you must
specify the directory in the file system to which these jar files are
transferred so that Spark can access these files:
This connection is effective on a per-Job basis. |