There are a number of tools and techniques that can help you migrate existing graph data into Amazon Neptune from another data store.
A simple migration workflow involves the following steps:
Export the data from its existing store into Amazon Simple Storage Service (Amazon S3).
Clean and format it for import.
Load it into a Neptune DB cluster using Neptune Bulk Loader.
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Configure your Gremlin or SPARQL application to use the corresponding endpoint that Neptune provides.
Note
Your Neptune cluster must be running in a VPC that your application can access.
There are ways to simplify and automate some of these steps, depending on where the data is stored: