Assign a new, guaranteed-unique name to the pipe.
Assign a new, guaranteed-unique name to the pipe.
a pipe, whose name should be changed
a pipe with a new name which is guaranteed to be new and never re-assigned by this function Note: the assigned name includes a few characters from the former name to assisgit dift in debugging.
Gets the underlying config for this pipe and sets the number of reducers useful for cascading GroupBy/CoGroup pipes.