Maximum parallelism is valid for the native execution environment. Maximum parallelism refers to the maximum number of parallel threads that process a single mapping pipeline stage. An administrator sets maximum parallelism for the Data Integration Service to a value greater than one to enable mapping partitioning. The administrator sets the maximum parallelism in the Administrator tool.
The default maximum parallelism value for a mapping is Auto. Each mapping uses the maximum parallelism value defined for the Data Integration Service. You can change the default maximum parallelism value to define a maximum value for a particular mapping. When maximum parallelism is set to different integer values for the Data Integration Service and the mapping, the Data Integration Service uses the minimum value.