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From Yuri Krysko <>
Subject Controller service question
Date Fri, 12 May 2017 15:43:47 GMT
Hello Devs,

I discovered Apache NiFi several days ago, parsed through all the docs and would like to ask
for your opinion on my use-case. I plan to have several custom processors to do HTTP POSTs
to a 3rd party ticketing system via its REST API based on the Flowfiles fed by other processors.
In order to compose JSON payload messages and POST to this ticketing system, in addition to
the FlowFiles, these custom processors require metadata info from the ticketing system. The
metadata may or may not change over time, as it is potentially configurable by the ticketing
system admins. I am wondering whether I should create a custom Controller service to pull
the metadata and make it available to all interested processors? Can I include a Runnable
task in the Controller service and have a configurable parameter of how often to pull the

Thank you,


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