use the database structure correctly, i.e. using threads in parallel loops to not copy the database for each parallel process which created a memory overload but instead modify database in place
bug fix the access of the database for parallel processing, i.e. make sure to only access one region per proccess to not have data issues in parallel processes due to simultaneous access of database
bug fix region removal from database, which did not work properly due to bug in effidict -> currently using workaround until fixed in effidict
Adjusted the code for big data loading: