Double-click tReservoirSampling to display the
Basic settings view and define the component
Click the Edit schema button to view the input and
output columns and do any modifications in the output schema, if needed.
- In the Sample Size field, enter a number for the rows you want to extract from the input flow, 24 in this example.
Click the Advanced settings tab and enter a random
number in the Seed for random generator field.
By setting a number in this field, you will extract the same sample in each execution of the Job. Change the value if you want to extract a different sample.