Mongo 3.6 introduced something called Change Streams[0] which is basically a safer way to tail the oplog. It is also supposed to work well in a sharded environm

Mongo 3.6 introduced something called Change Streams[0] which is basically a safer way to tail the oplog. It is also supposed to work well in a sharded environment. [0] https://docs.mongodb.com/manual/changeStreams/ https://docs.mongodb.com/manual/changeStreams/