NiFi Ingest 26.3
NiFi Ingest

# PurgeDatastore

The `PurgeDatastore` action deletes information, that the connector has saved, about the items in the repository.

The connector saves this information so that when it synchronizes with the repository it does not need to retrieve items that have not changed. Some repositories do not keep a log of items that have been deleted, and connectors for these repositories use the state information to detect deleted items so that they can be removed from the index.

After deleting the datastore, the connector must perform a full synchronize. (Every item in the repository must be processed and is considered as a new item).

You might want to delete the datastore for your connector if you have modified the processor configuration and you want to process (re-index) the entire repository again.

Type: asynchronous

Parameter | Description | Required
--- | --- | ---
`ConnectorGroup` | The name of the connector group to send the request to. This must match the name you specified when you configured the ConnectorGroupRouter processor in your dataflow. | Yes

## Example

    http://host:10000/action=PurgeDatastore&ConnectorGroup=FileSystem

## Response

This is an asynchronous action, so you receive a token in response to the request. You can use the QueueInfo action to see the result of the action.

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery NiFi Ingest 26.3

Topic Title: PurgeDatastore