title: release 0.20.204.0 available date: 2011-09-05

This release contains improvements, new features, bug fixes and optimizations. This release includes rpms and debs for the first time.

See the Hadoop 0.20.204.0 Release Notes for details. Alternatively, you can look at the complete change log for this release.

Notes:

  • The RPMs don't work with security turned on. (HADOOP-7599)
  • The NameNode's edit log needs to be merged into the image via
  • put the NameNode into safe mode
  • run dfsadmin savenamespace command
  • perform a normal upgrade