FAQ
The HBase 0.2.0 release includes 291 changes [1]. New features include a
richer API, a new ruby irb-based shell, an improved UI, and many
improvements to overall stability. To download, visit [4].

HBase 0.2.0 is not backward compatible with HBase 0.1 API (See [2] for an
overview of the changes). To migrate your 0.1 era HBase data to 0.2, see the
Migration Guide [3] <http://wiki.apache.org/hadoop/Hbase/HowToMigrate>.
HBase 0.2.0 runs on Hadoop 0.17.x. To run 0.2.0 on hadoop 0.18.x, replace
the hadoop 0.17.1 jars under $HBASE_HOME/lib with their 0.18.x equivalents
and then recompile.

Thanks to all who contributed to this release.

Yours,
The HBase Team

1.
https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&pid=12310753&fixfor=12312955
2. http://wiki.apache.org/hadoop/Hbase/Plan-0.2/APIChanges
3. http://wiki.apache.org/hadoop/Hbase/HowToMigrate
4. http://www.apache.org/dyn/closer.cgi/hadoop/hbase/

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