Check out the ControlRate processor https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi.processors.standard.ControlRate/index.html and a backpressure feature of NiFi https://nifi.apache.org/docs/nifi-docs/html/getting-started.html#connecting-processors ... View more

Milind, NiFi doesn't participate in XA transactions. It would make no sense for it due to the nature of the design - it's a dataflow product vs an atomic orchestrator of transactional events. Having said that, NiFi fully supports internal local transactions, so every transition of your data piece from componentA to componentB is persisted and kept atomic through internal NiFi connections. ... View more

Some API calls have a recursive and non-recursive attribute, but I wouldn't count on that being ubiquitous. If you're interacting with the API from a command line, I can't recommend 'jq' enough. Pipe the output of e.g. curl call into this JSON parser/query processor. It also adds syntax highlighting as an extra bonus. ... View more

Davide, take a look at https://github.com/aperepel/nifi-api-deploy You can either use this script or peek at how it's doing the template import and instantiation. Good luck! ... View more