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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/News" by JimKellerman
Date Fri, 08 Feb 2008 20:30:11 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by JimKellerman:

The comment on the change is:
Move news to its own Wiki page

New page:
= NEWS: =
 * HBase release 0.1 available. See [http://svn.apache.org/viewvc/hadoop/hbase/branches/0.1/CHANGES.txt?revision=619780&view=markup
CHANGES.txt] for release content -- "2008/02/08"
 * HBase moves to new [http://svn.apache.org/viewvc/hadoop/hbase SVN] and [https://issues.apache.org/jira/browse/HBASE
JIRA] -- ''2008/02/04''
 * First [http://www.eventbrite.com/event/85834734 HBase meetup].  Hosted by rapleaf -- ''2007/12/18''
 * Paul Saab uploads 1.3B (small) two-family rows into a 24 node hbase cluster -- ''2007/12/15''
 * Extensive refactoring of locking and addition of first version of a REST interface -- ''2007/11/25''
 * Cluster behavior has been much improved. The master, rather than the splitting region server
host, now rules where the child splits are deployed. A simple formula has been added to spread
region load evenly.  Splits have been made near-instantaneous and compaction has been reworked
so neither block updates for extended periods of time. -- ''Added 2007/08/16''
 * Support for row and filter columns.
 * A simple [wiki:Hbase/HbaseShell shell] for manipulating HBase tables contributed by Edward
Yoon. -- ''Added 2007/07/10'''
 * Map/Reduce connector for HBase - contributed by Vuk Ercegovac -- ''Added 2007/06/30''
 * Scripts to start and stop a hbase cluster have been added.  See ${HBASE_HOME}/bin. List
cluster participants in ${HBASE_HOME}/conf/regionservers file). -- ''Added 2007/06/21''
 * A script to run distributed clients executing the Performance Evaluation tests described
in the Google Bigtable paper has been added and tested to completion running against a small
cluster of 4 region servers. See [wiki:Hbase/PerformanceEvaluation Tools for evaluating HBase
performance and scalability] -- ''Added 2007/06/21''
 * It is now possible to add or delete column families after a table exists. Before either
of these operations the table being updated must be taken off-line (disabled) -- ''Added 2007/05/30''
 * Data compression is available on a per-column family basis. -- ''Added 2007/05/30'' The
options are:
  * no compression
  * record level compression
  * block level compression

HBase is being updated frequently. The latest code can always be found in the [http://svn.apache.org/viewvc/hadoop/hbase/trunk
trunk of the HBase SVN tree].

See the [https://issues.apache.org/jira/browse/HBASE HBase JIRA] for current set of outstanding
issues and recent fixes.

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