1.copy to eos\plugins\mongo_db_plugin\
2.eosio_build.sh
3.check
nodeos --help | grep mongodb-thread-size
4.edit config.ini, require mongodb-thread-size < maxPoolSize :
mongodb-thread-size = 90 mongodb-uri = mongodb://xxx.xxx.xxx.xxx:27017/EOS?maxPoolSize=100
5.nodeos start