This document outlines several improvements and updates to ScaleR including new capabilities for DeployR, an upgraded R Engine, improved performance for various models, added support for HDFS caching and updated security features. It also notes changes to packages, platforms, and the separate installation of the R Engine.

2. • ScaleR Improvements
• New DeployR Capabilities
• Upgraded to R Engine v 3.1.3
• Updated Platform Support
• Installer Changes
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3. • Naïve Bayes Classifier
• Stepwise Coefficient Tracking

4. • Wide Data Performance Improvement
• Faster Tree-Based Models
• Faster rxDForest and rxBTrees objects
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5. • HDFS Caching Option
http://blog.cloudera.com/blog/2014/08/new-in-cdh-5-1-hdfs-read-caching/
• Removed Functions

6. • New R Session Process Controls
• New DeployR Command Line Tool (CLI)
• Updated User Account Security
bcrypt hashing
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7. • New and updated Web service API support
API Reference Guide change history
• Updated RBroker Frameworks
• Updated client libraries

8. • Local Repositories via MRAN / miniCRAN
• New and Removed Packages
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9. • Updated Hadoop Version Support
• Added Platforms
• Deprecated
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10. • R Engine Is Now Installed Separately
• Installation is now 3 straightforward steps:
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11. • Hadoop
• Cloudera Parcel Generator for R Library
Maintenance (NEW)
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12. http://packages.revolutionanalytics.com/doc/7.4.0/README_RevoEnt_Linux_7.4.
0.pdf
http://packages.revolutionanalytics.com/doc/7.4.0/linux/RevoREnt_Whats_New.p
df
http://packages.revolutionanalytics.com/doc/7.4.0/KnownIssues_7.4.0.pdf
http://deployr.revolutionanalytics.com/documents/admin/whats-new/#v0740