Amazon EMR
Amazon EMR Release Guide

What's New?

This topic covers features and issues resolved in the current release of Amazon EMR. These release notes are also available on the Release 5.19.0 Tab, along with the application versions, component versions, and available configuration classifications for this release.

Subscribe to the RSS feed for Amazon EMR release notes at https://docs.aws.amazon.com/emr/latest/ReleaseGuide/amazon-emr-release-notes.rss to receive updates when a new Amazon EMR release version is available.

For earlier-version release notes back to release version 4.2.0, see Amazon EMR What's New History.

Release 5.19.0 (Latest)

New Amazon EMR release versions are made available in different regions over a period of several days, beginning with the first region on the initial release date. The latest release version may not be available in your region during this period.

The following release notes include information for Amazon EMR release version 5.19.0. Changes are relative to 5.18.0.

Initial release date: November 7, 2018

Upgrades

  • Hadoop 2.8.5

  • Flink 1.6.1

  • JupyterHub 0.9.4

  • MXNet 1.3.0

  • Presto 0.212

  • TensorFlow 1.11.0

  • Zookeeper 3.4.13

  • Zookeeper 3.4.13

  • AWS SDK for Java 1.11.433

New Features

  • The Amazon S3-optimized committer is available when writing Parquet files using Spark and EMRFS. This committer improves write performance. For more information, see Using the Amazon S3-optimized Committer.

Changes, Enhancements, and Resolved Issues

  • YARN

  • Default Amazon Linux AMI for Amazon EMR

    • ruby18, php56, and gcc48 are no longer installed by default. These can be installed if desired using yum.

    • The aws-java-sdk ruby gem is no longer installed by default. It can be installed using gem install aws-java-sdk, if desired. Specific components can also be installed. For example, gem install aws-java-sdk-s3.

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