Write some software

I need you to develop some software for me. I would like this software to be developed for Windows . Evaluate big data using large files xml( mb, Gb size) Objective to improve performance I have to load 3 xml database in big data tool Like tree bank , dplb, and xmark Also I have to run their individual query(XQuery ) Iam using MarkLogic Server, marklogic content pump, query consol The issue I have: Content pump java heap space Can some one help to solve this within one week Also I am looking to do the experiment in another big data tool