You can run a mapping in the native environment. In the native environment, the Data Integration Service runs the mapping from the Developer tool. You can run standalone mappings or mappings that are a part of a workflow.
In the native environment, you can read and process data from large unstructured and semi-structured files, Hive, or social media web sites. You can include the following objects in the mappings:
Flat file sources or targets in the local system or in HDFS
Complex file sources in the local system or in HDFS
Data Processor transformations to process unstructured and semi-structured file formats