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MongoDB CDC Overview

MongoDB® is a NoSQL document database used for high-volume data storage. As a document store, MongoDB makes use of collections and documents rather than tables and rows. It offers a flexible data model for storing JSON-like data, and provides indexing, replication.

The traditional approach to syncing MongoDB with complementary data stores is batch-based, where pipelines extract data from MongoDB and send it to downstream data stores. Change data capture (CDC) is a modern alternative to inefficient bulk imports. CDC extracts change events (INSERTs, UPDATEs, and DELETEs) in real-time from data stores, such as MongoDB, and provides them to downstream systems which can be applied to a copy of the data.

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Decodable + MongoDB CDC

Decodable can take input from a MongoDB database as a source using the MongoDB CDC (Change Data Capture) connector which converts table changes into a stream of change records. Decodable can be a super convenient means to replicate the contents of a MongoDB database into a range of systems including messaging such as Kafka, analytical databases such as Apache Pinot, or machine learning feature stores. Decodable's SQL-on-the-stream transformation process also includes data virtualization on change streams so you're processing against the table, not the change records.

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