Hi @Matthew Gaetano There's another feature in the UpdateProcessor that you can use which Rules : https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-update-attribute-nar/1.4.0/org.apache.nifi.processors.attributes.UpdateAttribute/additionalDetails.html This feature is available in the advanced settings and you can use to define conditions and actions. So you can say if condition than update timestamps, else do not. Look at my answer to this question to see how you can use it : https://community.hortonworks.com/questions/140060/nifi-how-to-load-a-value-in-memory-one-time-from-c.html?childToView=140233#answer-140233
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