Release: Amazon Elastic MapReduce on 2010-10-19

Release Notes>Elastic MapReduce>Release: Amazon Elastic MapReduce on 2010 10 19


Submitted By: Gwen@AWS
Release Date: October 19, 2010 12:00 AM GMT
Latest Version: 2009-03-31
Created On: October 20, 2010 1:02 AM GMT
Last Updated: October 20, 2010 2:46 AM GMT

This is a significant upgrade of Elastic MapReduce to support expanding and shrinking the number of nodes on a running cluster.

New Features

Feature Description
Resize running job flow Elastic MapReduce now supports adding and removing the number of cluster nodes for a running job flow. Existing job flows and command line scripts making calls to service APIs are backwards compatible with these architectural changes.

Note: You need to update the Elastic MapReduce Command Line Interface to resize running job flows and modify instance groups.

Change Description
Guide Revision This release features a reorganization of the Elastic MapReduce Developer Guide.

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