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by edgarrmondragon 1943 days ago
AFAIK Meltano uses JSON only in the interface between a tap (source) and a target, to communicate schema, state and records.

It's up to the target what it does with the JSON messages it receives, so you can for example have a target-avro that takes JSON records and outputs them as an Avro file and translates the JSON schema to the corresponding Avro schema.