Here is the one that I used long time back, hope it works for you, please feel free to tweak to make it work for your project :)...
If the purpose is only to EXPORT & then IMPORT, why dont you try BCP OUT / BCP IN feature within SQL Server
1. Might want to think about CPUs too
2. If the server is for OLTP then the configuration can be different compared to a READ-ONLY (warehouse) server
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