Repository vs. Registry

Matsumura says the roles of registry and repository are sometimes confusing. That confusion, he says, is understandable.


"People like to say that registries hold metadata and repositories hold data," he says. "That's a handy explanation, I suppose, but it really taxes the semantics. Data and metadata are determined by relationship; one person's data is another person's metadata."


A simpler and clearer definition, he suggests, is "registries hold references to things, and repositories hold the things."

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