多线程可实现最佳性能问题

I've got a huge batch operation that's run every few months parsing and importing from text files into a Sql Server database. The process takes several days to complete and I'm looking at ways to speed it up a bit. Approximately 1/3 of the time is parsing the text, and 2/3 of the time in the database I/O.I've got a huge batch operation that's run ever