I am pleased to announce that Apache Hadoop 0.21.0 is available for
download from http://hadoop.apache.org/common/releases.html.
Over 1300 issues have been addressed since 0.20.2; you can find details at
Please note that this release has not undergone testing at scale and
should not be considered stable or suitable for production. It is
being classified as a minor release, which means that it should be API
compatible with 0.20.2.
Thanks to all who contributed to this release!