mongo
/usr/local/mongodb/bin/mongotop --port 37017
cd /usr/local/mongodb/log 日志路径
/usr/local/mongodb/bin/mongo 172.28.37.201:37017 链接
/usr/local/mongodb/bin/mongostat --host 172.28.37.201:37017 -vvvv 监控
>db.serverStatus().connections;
vim /usr/local/mongodb/mongodb.conf 修改配置文件,maxConns=5048 mongo最大连接数(生产是5048),超过这个值会报错