tReservoirSampling - 7.2

Sampling

Version
7.2
Language
English (United States)
Product
Talend Big Data Platform
Talend Data Fabric
Talend Data Management Platform
Talend Data Services Platform
Talend MDM Platform
Talend Real-Time Big Data Platform
Module
Talend Studio
Content
Data Governance > Third-party systems > Data Quality components > Sampling components
Data Quality and Preparation > Third-party systems > Data Quality components > Sampling components
Design and Development > Third-party systems > Data Quality components > Sampling components

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 2.0.0, 2.3.0 and 2.4.0 are supported.

For more technologies supported by Talend, see Talend components.

Depending on the Talend product you are using, this component can be used in one, some or all of the following Job frameworks: