Time for action—running and previewing the hello_world transformation

Let's do some testing and explore the results:

  1. Open the hello_world transformation.
  2. Edit the Generate Rows step, and change the limit from 10 to 1000 so that it generates 1,000 rows.
  3. Select the Logging tab window at the bottom of the screen.
  4. Click on Run.
  5. In the Log level drop-down list, select RowLevel detail.
  6. Click on Launch.
  7. You can see how the logging window shows every task in a very detailed way.
    Time for action—running and previewing the hello_world transformation
  8. Edit the Generate Rows step, and change the limit to 10,000 so that it generates 10,000 rows.
  9. Select the Step Metrics.
  10. Run the transformation.
  11. You can see how the numbers change as the rows ...

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