https://www.mongodb.com/ja-jp/docs/v4.4/reference/method/sh.isbalancerrunning/
sh.isBalancerRunning() - MongoDB Manual v4.4 - MongoDB Docs
shmongodbmanualdocs
https://www.mongodb.com/ko-kr/docs/v4.4/reference/method/sh.isbalancerrunning/
sh.isBalancerRunning() - MongoDB Manual v4.4 - MongoDB Docs
shmongodbmanualdocs