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Home > Systems Design and Architecture 🔥 > Fundamentals of Systems Design > What is MapReduce and How Does It Work?

What is Hadoop?

MapReduce is a component of the Apache Hadoop ecosystem, a framework that enhances massive data processing. Other components of Apache Hadoop include Hadoop Distributed File System (HDFS), Yarn and Apache Pig.

Some organizations rely on public cloud services for Hadoop and MapReduce, which offer enormous scalability with minimal capital costs or maintenance overhead.

For example, Amazon Web Services (AWS) provides Hadoop as a service through its Amazon Elastic MapReduce. Microsoft Azure offers its HDInsight service, which enables users to provision Hadoop, Apache Spark, and other clusters for data processing tasks. Google Cloud Platform provides its Cloud Dataproc service to run Spark and Hadoop clusters.

What is Hadoop?

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