Apache NiFi Apache NiFi is a software project from the Apache Software Foundation designed to automate the flow of data between software systems . It is based on the "NiagaraFiles " software previously developed by the NSA , which is also the source of a part of its present name – NiFi . It was open-sourced as a part of NSA's technology transfer program in 2014.The software design is based on the flow-based programming model and offers features which prominently include the ability to operate within clusters, security using TLS encryption , extensibility and improved usability features like a portal which can be used to view and modify behaviour visually.Software development and commercial support is currently offered by Hortonworks , who acquired NiFi's originator, Onyara Inc.Software Components NiFi is a Java program that runs within a Java virtual machine running on a server. The prominent components of Nifi are Web Server - the HTTP-based component used to visually control the software and monitor the events happening within Flow Controller - serves as the brains of NiFi's behaviour. Controls the running of Nifi extensions and schedules allocation of resources for this to happen. Extensions - various plugins that allow Nifi to interact with various kinds of systems FlowFile repository - used by NiFi to maintain and track status of the currently active FlowFile Or the information that NiFi is helping move between systems. Content repository - the data in transit is maintained here Provenance repository - data relating to the provenance of the data flowing through the system is maintained here.Apache NiFi Sub-Projects : A complementary application that provides a central location for storage and management of shared resources across one or more instances of NiFi and/or MiNiFi, such as Templates. : A complementary data collection approach that supplements the core tenets of NiFi in dataflow management, focusing on the collection of data at the source of its creation. : An atomic reusable platform for providing a common set of UI/UX components for Apache NiFi, Apache NiFi Registry, Apache NiFi MiNiFi, and any other open source web applications to consume. In February 2017 , HPE's SecureData for Hadoop and IoT software became Industry's first commercial product to integrate NiFi
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