Hi, can you clarify your answer a bit more. "PutDistributedMapCache" processor can store only Content of FlowFile, not key and an arbitrary attribute (from documentation: "Gets the content of a FlowFile and puts it to a distributed map cache").    So how is it possible to cache simple values like UUID in the flow without necessity of storing a “heavy” payload (content)?   Can you give an example of such configuration?   Can you give an example of such configuration? ... View more