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Apache REEF™

Apache REEF™ (Retainable Evaluator Execution Framework) is a scale-out computing fabric that simplifies the development of Big Data applications on top of resource managers (e.g., Apache YARN and Mesos). For example, Azure Stream Analytics is built on REEF and Hadoop.

Online Documentation

This file will cover the very basics of compiling and testing REEF. Much more detailed information can be found in the following places:

The developer mailinglist is the best way to reach REEF's developers when the above aren't sufficient.

Building REEF

Requirements

  • Java 7 Development Kit.
  • Apache Maven 3 or newer. Make sure that mvn is in your PATH.
  • Protocol Buffers Compiler version 2.5. Make sure that protoc is on your PATH.
  • For REEF.NET, you will also need Visual Studio 2013. Most REEF developers use the free Community Edition.

REEF Java

The Java side of REEF is built using Apache Maven. To build, execute:

mvn -DskipTests clean install

To test, execute:

mvn test

Note that the tests will take several minutes to complete. You will also see stack traces fly by. Not to worry: those are part of the tests that test REEF's error reporting.

REEF.NET

REEF.NET uses REEF Java. In fact, the instructions below build REEF Java as part of building REEF.NET. Hence, the same requirements apply.

To build and test in Visual Studio, open lang\cs\Org.Apache.REEF.sln.

Alternatively, you can build REEF.NET from a developer command line via:

msbuild .\lang\cs\Org.Apache.REEF.sln

To test, execute the following command thereafter:

vstest.console.exe .\lang\cs\bin\x64\Debug\Org.Apache.REEF.Tests\Org.Apache.REEF.Tests.dll /Platform:x64

Additional Information

More detailed documentation, including building from PowerShell and creating NuGets is available from the project wiki, specifically the building instructions.