MongoDB connector support unbounded streaming read via ChangeStream feature

Change streams allow applications to access real-time data changes without the complexity and risk of tailing the oplog. Applications can use change streams to subscribe to all data changes on a single collection, a database, or an entire deployment, and immediately react to them. Because change streams use the aggregation framework, applications can also filter for specific changes or transform the notifications at will.

We can use MongoDB change streams feature to support unbounded streaming read for mongodb connector.

Change Streams