Getting Started
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Data Provenance

NiFi keeps a very granular level of detail about each piece of data that it ingests. As the data is processed through the system and is transformed, routed, split, aggregated, and distributed to other endpoints, this information is all stored within NiFi's Provenance Repository. In order to search and view this information, we can select Data Provenance from the Global Menu. This will provide us a table that lists the Provenance events that we have searched for:

Initially, this table is populated with the most recent 1,000 Provenance Events that have occurred (though it may take a few seconds for the information to be processed after the events occur). From this dialog, there is a Search button that allows the user to search for events that happened by a particular Processor, for a particular FlowFile by filename or UUID, or several other fields. The file provides the ability to configure which of these properties are indexed, or made searchable. Additionally, the properties file also allows you to choose specific FlowFile Attributes that will be indexed. As a result, you can choose which Attributes will be important to your specific dataflows and make those Attributes searchable.