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From Joe Witt <>
Subject Re: NiFi kubectl for launching container jobs
Date Fri, 28 Jun 2019 13:18:26 GMT

The pattern/concept described is definitely a thing and a powerful model.
The stateless-nifi construct is a key enabler of this combined with
seamless integration of traditional NiFi to it combined with the registry
combined with a powerful Kubernetes operator.


On Fri, Jun 28, 2019 at 9:10 AM Erik Anderson <> wrote:

> I have heard about NiFi-Fn (B23 Kubernetes Operator for NiFi-Fn)
> Has anyone built a NiFi kubectl processor and possibly a nice NiFi "remote
> jobs" base docker container that can be used to control a remote nifi
> processor/job that conforms to Apache NiFi input and output mechanisms
> (flow file format)?
> I know we would need a way to marshal the NiFi flowfile format in and out
> of a container, but if we did we can launch remote Python processes that
> scale well via using cloud native mechanisms (DevOps).
> We built a native Python 2.7/3.7 NiFi processor that allows you to quickly
> chain together Java and Python flows. This is powerful because most data
> infrastructure is in python, not Java, especially Geospatial data. Of
> course this wont scale because of the number of Python processors that can
> potentially run on a NiFi node, but it allows you to quickly get things
> working. 2 days and you can do some amazing things.
> If I can now offload that Python processing, via Kubernetes kubectl, we
> can use automated DevOps scaling for some really large jobs. Possibly using
> a NiFi processor that wraps
> Why all this jazz?
> Real Use Case: Geospatial data (GeoJSON, ESRI Shapefile, etc). It requires
> standard python "pip install blah-blah" packages to process it.
> Thoughts? Please throw tomatoes at the idea. I welcome constructive and
> destructive criticism because that means people care.
> Erik Anderson
> Bloomberg

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