NiFi Ingest Connectors keep a record of the items they have retrieved. If you modify the configuration of a connector, you might want to delete the state information so that the connector ingests all of the items again.
To delete the state information that has been saved by a NiFi Ingest connector, use the following procedure.
To delete state information saved by a connector
Right-click the connector processor and click Configure.
The Configure Processor dialog box opens.
Click Advanced.
The advanced configuration page opens.
Click Purge Datastore.
The state information is deleted.
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