Category Archives: Testing

Advice on QA Testing Your MapReduce Jobs

Categories: MapReduce Testing

As Hadoop adoption increases among organizations, companies, and individuals, and as it makes its way into production, testing MapReduce (MR) jobs becomes more and more important. By regularly running tests on your MR jobs–either invoked by developers before they commit a change or by a continuous integration server such as hudson–an engineering organization can catch bugs early, strive for quality, and make developing and maintaining MR jobs easier and faster.

MR jobs are particularly difficult to test thoroughly because they run in a distributed environment. 

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