Might be worth taking a look at the "alternate.identifier" (see
https://nifi.apache.org/docs/nifi-docs/html/nifi-in-depth.html#associating-disparate-data
).


---
*Chris Sampson*
IT Consultant
[email protected]
<https://www.naimuri.com/>


On Mon, 11 Jan 2021 at 14:53, Yi Wang <[email protected]> wrote:

> Hi Nifi team and experts,
>
> In such an example scenario:
>
> Data —> Nifi —> Kafka —> external system (spark, flink etc) —> Kafka —>
> Nifi —> s3
>
> How do I fill in the ‘gap’ of data lineage?
> Once the data leave Nifi, its provenance life is ended (as far as I know),
> even when the same data is sent back to Nifi later, Nifi treats them as
> different data. So how can I handle this in order to get a complete data
> lineage graph?
>
> Any idea or suggestions? Thanks in advance.
>
>
> Cheers
>
>

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