摘要：
1.初步判定是c#官方驱动没能及时释放连接：http://stackoverflow.com/questions/7446528/mongodb-c-sharp-driver-doesnt-release-connections-then-errorsHow many connections does each mongos need?In a sharded configuration will have 1 incoming connection from the client but may need 1 outgoing connection to each shard (possib 阅读全文
摘要：
官网：http://www.mongodb.org/display/DOCS/Security+and+Authentication#SecurityandAuthentication-ReplicaSetandShardingAuthenticationhttp://www.mongodb.org/display/DOCS/Replica+Set+Authentication实在不行还可以使用：IP Address Binding：http://www.mongodb.org/display/DOCS/Security+and+Authentication#SecurityandAuthen 阅读全文