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Data & Analytics · Foundational

Apache Hadoop

An open-source framework for distributed storage (HDFS) and batch processing (MapReduce, YARN) on clusters of commodity hardware.

Definition

Hadoop pioneered big data processing, but Spark and cloud object storage have largely replaced MapReduce and HDFS. Managed Hadoop and Spark run on Amazon EMR and Google Dataproc.

Exam tip

Migrating existing Hadoop or Spark jobs to Google Cloud with minimal changes means Dataproc.

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