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Mechanisms for tracking and persisting the state of data processing tasks to ensure recovery.
Distinguishing note: Focuses on stateful log position tracking for reliable delivery.
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Canal is a database replication middleware that performs change data capture by simulating a database replica. It monitors transaction logs to stream incremental data modifications to downstream systems in real time, acting as an event streaming infrastructure that transforms low-level binary logs into structured, consumable message streams. The project distinguishes itself through a high-throughput architecture that utilizes concurrent multi-threaded parsing and stateful log position tracking to ensure reliable data delivery. It employs a pluggable sink architecture that decouples data extra
Maintains persistent markers of the last processed transaction to ensure reliable data delivery and recovery.