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From Nicholas Hughes <>
Subject Re: Input Allowed Processor with Primary Node Execution
Date Fri, 15 Sep 2017 13:21:19 GMT

FlowFiles are not transferred between cluster nodes in NiFi. As such, you
probably don't want to set Primary Node execution on any downstream


On Fri, Sep 15, 2017 at 5:34 AM, Arne Degenring <>

> Hi,
> I have a question about an INPUT_ALLOWED processor that we run in
> Execution Mode PRIMARY_NODE in a cluster installation.
> Should the processor be able to process input flow files that reside on a
> different cluster node?
> We had the situation on our testing system that a few flow files seemed to
> be stuck in the input queue in front of such processor. It turned out that
> the Flow Files were ingested on a different node, and it seem they weren’t
> transferred to the primary node for processing.
> Thanks
> Arne

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