Let’s Summarize #

atomic、mutex、rwmutex，写多读少直接用mutex，读多写少用rwmutex，如果要考虑提升性能，可以考虑atomic。

Source Analysis #

References #

1. https://medium.com/a-journey-with-go/go-how-to-reduce-lock-contention-with-the-atomic-package-ba3b2664b549