Amazon EMR

Easily Run and Scale Apache Spark, Hadoop, HBase, Presto, Hive, and other Big Data Frameworks

Amazon EMR provides a managed Hadoop framework that makes it easy, fast, and cost-effective to process vast amounts of data across dynamically scalable Amazon EC2 instances. You can also run other popular distributed frameworks such as Apache Spark, HBase, Presto, and Flink in EMR, and interact with data in other AWS data stores such as Amazon S3 and Amazon DynamoDB. EMR Notebooks, based on the popular Jupyter Notebook, provide a development and collaboration environment for ad hoc querying and exploratory analysis.

EMR securely and reliably handles a broad set of big data use cases, including log analysis, web indexing, data transformations (ETL), machine learning, financial analysis, scientific simulation, and bioinformatics.

An introduction to Amazon EMR (3:00)


Easy to use

You can launch an EMR cluster in minutes. You don’t need to worry about node provisioning, cluster setup, Hadoop configuration, or cluster tuning. EMR takes care of these tasks so you can focus on analysis. Data scientists, developers and analysts can also use EMR Notebooks, a managed environment based on Jupyter Notebook, to build applications and collaborate with peers.

Low cost

EMR pricing is simple and predictable: You pay a per-instance rate for every second used, with a one-minute minimum charge. You can launch a 10-node EMR cluster with applications such as Hadoop, Spark, and Hive, for as little as $0.15 per hour. Because EMR has native support for Amazon EC2 Spot and Reserved Instances, you can also save 50-80% on the cost of the underlying instances.


With EMR, you can provision one, hundreds, or thousands of compute instances to process data at any scale. You can easily increase or decrease the number of instances manually or with Auto Scaling, and you only pay for what you use. EMR also decouples compute instances and persistent storage, so they can be scaled independently.


You can spend less time tuning and monitoring your cluster. EMR has tuned Hadoop for the cloud; it also monitors your cluster — retrying failed tasks and automatically replacing poorly performing instances. EMR provides the latest stable open source software releases, so you don’t have to manage updates and bug fixes, leading to fewer issues and less effort to maintain the environment.


EMR automatically configures EC2 firewall settings that control network access to instances, and you can launch clusters in an Amazon Virtual Private Cloud (VPC), a logically isolated network you define. For objects stored in S3, you can use S3 server-side encryption or Amazon S3 client-side encryption with EMRFS, with AWS Key Management Service or customer-managed keys. You can also easily enable other encryption options and authentication with Kerberos.


You have complete control over your cluster. You have root access to every instance, you can easily install additional applications, and you can customize every cluster with bootstrap actions. You can also launch EMR clusters with custom Amazon Linux AMIs.

Use cases

Clickstream analysis

EMR can be used to analyze clickstream data in order to segment users, understand user preferences, and deliver more effective ads.

Learn how Razorfish uses EMR for click stream analysis »

Real-time analytics

Consume and process real-time data from Amazon Kinesis, Apache Kafka, or other data streams with Spark Streaming on EMR. Perform streaming analytics in a fault-tolerant way and write results to S3 or HDFS.

Learn how Hearst uses Spark Streaming »

Log analysis

EMR can be used to process logs generated by web and mobile applications. EMR helps customers turn petabytes of un-structured or semi-structured data into useful insights about their applications or users.

Extract transform load (ETL)

EMR can be used to quickly and cost-effectively perform data transformation workloads (ETL) such as - sort, aggregate, and join - on large datasets.

Learn how Redfin uses transient EMR clusters for ETL »

Predictive analytics

Apache Spark on EMR includes MLlib for scalable machine learning algorithms or you can use your own libraries. By storing datasets in-memory, Spark can provide great performance for common machine learning workloads.

Learn how Intent Media uses Spark MLib »


EMR can be used to process vast amounts of genomic data and other large scientific data sets quickly and efficiently. Researchers can access genomic data hosted for free on AWS.

Learn about Apache Spark and Precision Medicine »

Case studies

Analyst research


Get started with AWS


Sign up for an AWS account

Instantly get access to the AWS Free Tier.

Learn with 10-minute Tutorials

Explore and learn with simple tutorials.

Start building with AWS

Begin building with step-by-step guides to help you launch your AWS project.

Learn more about Amazon EMR

Visit the features page
Ready to build?
Get started with Amazon EMR
Have more questions?
Contact us