버전 마이그레이션
https://www.slideshare.net/antgiann/upgrading-to-mongodb-40-from-older-versions
성능 측정
https://medium.com/@hartator/mongodb-4-2-vs-4-0-3-6-3-4-and-3-2-benchmarks-ee96a09ef231
https://www.slideshare.net/antgiann/upgrading-to-mongodb-40-from-older-versions
성능 측정
https://medium.com/@hartator/mongodb-4-2-vs-4-0-3-6-3-4-and-3-2-benchmarks-ee96a09ef231