New features in release 0.14 include:
There are many other improvements, bug fixes, optimizations and new features. Performance and reliability are better than ever.
When upgrading an existing HDFS filesystem to a 0.14.x release from a 0.13.x or earlier release, you should first start HDFS with ‘bin/start-dfs.sh -upgrade’. See the Hadoop 0.14 Upgrade page for details.2007 Sep 4