You can set your preferences for debug and job executions in Talend Studio. To do so:
From the menu bar, click Window > Preferences to display the [Preferences] dialog box.
Expand the Talend node and click Run/Debug to display the relevant view.
In the Talend client configuration area, you can define the execution options to be used by default:
Stats port range Specify a range for the ports used for generating statistics, in particular, if the ports defined by default are used by other applications. Trace port range Specify a range for the ports used for generating traces, in particular, if the ports defined by default are used by other applications. Save before run Select this check box to save your Job automatically before its execution. Clear before run Select this check box to delete the results of a previous execution before re-executing the Job. Exec time Select this check box to show Job execution duration. Statistics Select this check box to show the statistics measurement of data flow during Job execution. Traces Select this check box to show data processing during job execution. Pause time Enter the time you want to set before each data line in the traces table.
In the Job Run VM arguments list, you can define the parameter of your current JVM according to your needs. The by-default parameters -Xms256M and -Xmx1024M correspond respectively to the minimal and maximal memory capacities reserved for your Job executions.
If you want to use some JVM parameters for only a specific Job execution, for example if you want to display the execution result for this specific Job in Japanese, you need open this Job's Run view and then in the Run view, configure the advanced execution settings to define the corresponding parameters.
For further information about the advanced execution settings of a specific Job, see How to set advanced execution settings.
For more information about possible parameters, check the site http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html.