Amazon EMR (ACUS): Cluster Types

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Questions and Answers

Which ACUS EMR cluster type is most suitable for scenarios requiring continuous data processing and long-term ETL pipelines?

  • Auto-Scaling Clusters
  • Persistent Clusters (correct)
  • On-Demand Clusters
  • Spot Instance Clusters

In ACUS EMR, which storage option is ideal for storing temporary data that only needs to be accessed within the cluster?

  • EBS (Elastic Block Store)
  • HDFS (Hadoop Distributed File System) (correct)
  • Glue Data Catalog
  • Amazon S3

When deploying ACUS EMR in an on-premises environment for hybrid cloud setups, which deployment option is most appropriate?

  • EMR on EC2
  • EMR on EKS
  • EMR Serverless
  • EMR on AWS Outposts (correct)

Which ACUS EMR feature allows you to automatically adjust the number of instances in a cluster based on the current workload demand?

<p>Auto-Scaling (A)</p> Signup and view all the answers

Which storage component in ACUS EMR extends HDFS capabilities by utilizing Amazon S3 for durable and cost-effective external storage?

<p>EMRFS (EMR File System) (B)</p> Signup and view all the answers

Which of the following ACUS EMR deployment options eliminates the need for cluster management by automatically provisioning resources as needed?

<p>EMR Serverless (A)</p> Signup and view all the answers

If cost savings are a top priority for your ACUS EMR workload and you can tolerate interruptions, which cluster type should you use?

<p>Spot Instance Clusters (D)</p> Signup and view all the answers

What is the primary purpose of the Glue Data Catalog in an ACUS EMR environment?

<p>Managing metadata for querying structured data (A)</p> Signup and view all the answers

Which ACUS EMR scaling option provides the most flexibility in terms of cost optimization by allowing you to use multiple instance types?

<p>Instance Fleets (D)</p> Signup and view all the answers

In ACUS EMR, if you require full customization and control over your cluster environment, which deployment option should you choose?

<p>EMR on EC2 (D)</p> Signup and view all the answers

Which of these services serves as durable and cost-effective external storage for ACUS EMR?

<p>Amazon S3 (C)</p> Signup and view all the answers

For an ACUS EMR setup that involves running workloads in a containerized Kubernetes environment, which deployment option is most suitable?

<p>EMR on EKS (Elastic Kubernetes Service) (B)</p> Signup and view all the answers

What is a key advantage of using Auto-Scaling clusters in ACUS EMR?

<p>They automatically adjust instance counts based on workload. (B)</p> Signup and view all the answers

In ACUS EMR deployments, when would you typically opt for 'Manual Scaling' over 'Auto-Scaling'?

<p>When you want precise control over when and how resources are added or removed. (B)</p> Signup and view all the answers

Which deployment option would you choose if you needed to run ACUS EMR in a hybrid cloud setup, specifically on your own hardware located on-premises?

<p>EMR on AWS Outposts (A)</p> Signup and view all the answers

An organization wants to use ACUS EMR to process data with minimal operational overhead. Which deployment option is BEST suited for this?

<p>EMR Serverless (D)</p> Signup and view all the answers

Which storage option in ACUS EMR should be used for storing large datasets that need to be processed in parallel across many nodes?

<p>HDFS (Hadoop Distributed File System) (B)</p> Signup and view all the answers

Your ACUS EMR cluster needs additional storage that persists even when the cluster terminates. Which storage option should you implement?

<p>Amazon S3 (D)</p> Signup and view all the answers

In ACUS EMR, you need to optimize costs by using a mix of different EC2 instance types. Which option can allow you to achieve this?

<p>Instance Fleets (B)</p> Signup and view all the answers

For ACUS EMR, which cluster configuration is designed for short-term, ad-hoc queries like data exploration or proof-of-concept projects?

<p>On-Demand Clusters (D)</p> Signup and view all the answers

Flashcards

ACUS EMR Definition

A cloud-based big data platform for processing large datasets using frameworks like Apache Spark, Hadoop, Presto, and Hive.

On-Demand Clusters

Temporary workloads and batch processing.

Persistent Clusters

Continuous processing and long-term ETL pipelines.

Spot Instance Clusters

Clusters that use AWS Spot Instances to minimize costs; best for fault-tolerant workloads.

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Auto-Scaling Clusters

Clusters that automatically adjust instance counts based on workload demand.

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HDFS in EMR

Stores temporary data within the cluster.

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Amazon S3 in EMR

Serves as durable and cost-effective external storage.

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EMRFS Definition

Extends HDFS capabilities by using Amazon S3.

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EBS in EMR

Provides additional storage for nodes.

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Manual Scaling in EMR

Users manually add or remove nodes based on workload.

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Auto-Scaling in EMR

Automatically adjusts cluster size based on predefined rules.

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Instance Fleets

Allows mixing different instance types for cost optimization.

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EMR on EC2

Runs clusters on Amazon EC2 instances with full customization.

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EMR on AWS Outposts

Deploys EMR clusters in on-premises environments.

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EMR Serverless

Automatically provisions resources as needed.

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EMR on EKS

Runs EMR workloads in a containerized Kubernetes environment.

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Study Notes

  • ACUS EMR (Amazon EMR) is a cloud-based big data platform.
  • It is designed to process and analyze massive datasets.
  • It uses open-source frameworks like Apache Spark, Hadoop, Presto, and Hive.
  • It provides scalable, cost-effective, and high-performance solutions.
  • These solutions are for data analytics, machine learning, and real-time data processing.

Cluster Types in ACUS EMR

  • ACUS EMR supports different cluster configurations.
  • The goal is to optimize performance and cost.
  • On-Demand Clusters are suitable for temporary workloads and batch processing, and are charged based on usage duration.
  • Persistent Clusters are always running for continuous processing and analytics, and are used for long-term ETL pipelines.
  • Spot Instance Clusters uses AWS Spot Instances to minimize costs, and is best for fault-tolerant workloads where cost savings are a priority.
  • Auto-Scaling Clusters automatically adjusts instance counts based on workload demand, which helps optimize performance and cost efficiency.

Storage Options

  • HDFS (Hadoop Distributed File System) stores temporary data within the cluster.
  • Amazon S3 serves as durable and cost-effective external storage.
  • EMRFS (EMR File System) extends HDFS capabilities using Amazon S3.
  • EBS (Elastic Block Store) provides additional storage for nodes.
  • Glue Data Catalog helps in metadata management for querying structured data.

Scaling Options

  • Manual Scaling involves users manually adding or removing nodes based on workload.
  • Auto-Scaling automatically adjusts cluster size based on predefined rules.
  • Instance Fleets allows mixing different instance types for cost optimization.

Deployment Options

  • EMR on EC2 (Traditional Deployment) runs clusters on Amazon EC2 instances with full customization.
  • EMR on AWS Outposts deploys EMR clusters in on-premises environments for hybrid cloud setups.
  • EMR Serverless eliminates cluster management by automatically provisioning resources as needed.
  • EMR on EKS (Elastic Kubernetes Service) runs EMR workloads in a containerized Kubernetes environment.
  • Each deployment option provides flexibility depending on workload demands, cost considerations, and infrastructure preferences.

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