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Data & Analytics · Intermediate

Amazon EMR

AWS's managed big data platform for running Spark, Hive, Presto/Trino, Flink and other open-source frameworks on EC2, EKS or serverless.

Definition

EMR clusters can be transient (created per job) or long-running, and they can use Spot Instances for task nodes. EMR Serverless removes cluster management.

Exam tip

Spot Instances belong on task nodes, not the primary node, to save cost safely.

Related terms