Real-world examples and use cases of MapReduce

Let's now check out a few of the actual applications using MapReduce. The MapReduce paradigm is the core of the distributed programming model in many applications to solve big data problems across different industries in the real world. There are many challenging problems such as log analytics, data analysis, recommendation engines, fraud detection, and user behavior analysis, among others, for which MapReduce is used as a solution.

Some of the examples of MapReduce usage are listed in the next sections.

Social networks

Most of us are daily users of sites such as Facebook, Twitter, and LinkedIn to connect with our friends, community, and colleagues. All of these sites are heavy users of the MapReduce ...

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