Answer Posted / pooja
Nodemap constraint is a property check in the stage. The
job process can restriced at a stage level with this check.
It provides a drop down list of nodes available and by
selecting a particular node the process only on that
particular node.
For example, if the incoming data is being processed in
parallel mode then in the next stage if the nodemap
constraint is checked then from here on the processing
takes place in a sequential mode.
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