Currently mognoexport and mogodump use a single find query per collection. We could use the mongosync partitioning logic to run multiple queries in parallel per collection.

Acceptance criteria:

• Test the performance impact of running multiple queries in parallel to copy data.
• If the test shows good results, add parallel queries to mongoexport and mongodump. Also:

• • Consider adding an option to change the number of parallel queries per collection
  • This is particularly important for mongoimport since if the --sort option is set, then we cannot use parallel queries.