Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1198#issuecomment-144762615
Thank you for looking into it.
Your analysis was right: I've accidentally put the port into the host
parameter `nifi.remote.input.socket.host=9081`.
After I've changed it, everything was working:
https://www.youtube.com/watch?v=ylnv5p5Ddk8
In my local setup, it seems that only one of my 8 parallel instances of the
source are actually reading data. I suspect that Nifi is delivering data only
to one reader.
How would that work in a cluster? How does Nifi know that all the Flink
`NifiSource`s connecting to Nifi belong to the same system?
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