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Displaying posts with tag: data-synchronization (reset)
DBLog: A Generic Change-Data-Capture Framework

Andreas Andreakis, Ioannis Papapanagiotou


Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. CDC is becoming increasingly popular for use cases that require keeping multiple heterogeneous datastores in sync (like MySQL and ElasticSearch) and addresses challenges that exist with traditional techniques like dual-writes and distributed transactions [3][4].

In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. As transaction logs typically have limited retention, they aren’t guaranteed to contain the full history of changes. Therefore, dumps are needed to capture the full state of a source. There are several open source CDC projects, …

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