Hbase/News

NEWS:

NOTE! This page is no longer maintained (04/01/2008). News have moved to News Section on the HBase releases page.

• HBase moves to new SVN and JIRA -- 2008/02/04

• First 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 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 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 trunk of the HBase SVN tree.

See the HBase JIRA for current set of outstanding issues and recent fixes.