Answer Posted / swetha
Master thread: Creates and manages all other threads
Maping thread: One maping thread will be creates for each
session.Fectchs session and maping information.
Pre and post session threads: This will be created to
perform pre and post session operations.
Reader thread: One thread will be created for each partition
of a source.It reads data from source.
Writer thread: It will be created to load data to the target.
Transformation thread: It will be created to tranform data.
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