tReservoirSampling

Extracts a random sample data from a big data set.

tReservoirSampling extracts a sample from the input data set in such a way that profiling results on the sample data are uniform and homogeneous with the profiling results on the full data set.

In local mode, Apache Spark 2.4.0 and later versions are supported.

This component is not shipped with your Talend Studio by default. You need to install it using the Feature Manager. For more information, see Installing features using the Feature Manager.