MongoDB Change Streams: Trading Polling Overhead for Real-Time Events
MongoDB Change Streams let you react to data changes in real time without polling, but they require a replica set and careful oplog management.
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MongoDB Change Streams let you react to data changes in real time without polling, but they require a replica set and careful oplog management.
Change Streams turn MongoDB's oplog into an ordered, resumable event feed. Here's what they buy you over polling or dual writes, a working filtered consumer example, and where they fall short.