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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "HBase/Original021Roadmap" by stack
Date Sat, 17 Apr 2010 21:35:42 GMT
Dear Wiki user,

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

The "HBase/Original021Roadmap" page has been changed by stack.
http://wiki.apache.org/hadoop/HBase/Original021Roadmap

--------------------------------------------------

New page:
HBase 0.21 Roadmap

<Anchor(new021)>>
0.21 RoadMap, [[http://www.meetup.com/hackathon/calendar/13063062/|Hackathon3]] draft


 

<Anchor(original021)>> 
Here is the old HBase 0.21 list, made for the timeframe, approximately August-September of
2009.  It was drafted at Hackathon2 at StumbleUpon in 08/2009.  Its now obsoleted by the above,
by the new roadmap cast at [[http://www.meetup.com/hackathon/calendar/13063062/|Hackathon3]].
Some of the below had detail added: [[http://devblog.streamy.com/2009/08/09/hbase-hackathon-2-day-one/|HBase
Hackathon 2 Wrap-Up: Day One]].

 * Data integrity
   * Insure that proper append() support in HDFS actually closes the WAL last block write
hole '''Still not done in 04/2010 -- Stack'''
   * HBase-FSCK [[https://issues.apache.org/jira/browse/HBASE-7|HBASE-7]] -- Suggest making
this a blocker for 0.21.  '''Still not done in 04/2010 -- Stack'''
 * Master rewrite / Move more state management to ZooKeeper '''Still not done in 04/2010 --
Stack'''
   * Host HTD and HCD in ZK with copies in META only for cold boot scenarios [[https://issues.apache.org/jira/browse/HBASE-1730|HBASE-1730]]
   * Region assignment via ZK primitives
   * HRS load state sharing
 * Replication [[https://issues.apache.org/jira/browse/HBASE-1295|HBASE-1295]] '''Still not
done in 04/2010 -- Stack'''
 * Unit test speed up by order of magnitude [[https://issues.apache.org/jira/browse/HBASE-410|HBASE-410]]
 [[https://issues.apache.org/jira/browse/HBASE-1556|HBASE-1556]] '''Still not done in 04/2010
-- Stack'''
 * New RPC (Avro? Thrift?) [[https://issues.apache.org/jira/browse/HBASE-794|HBASE-794]] --
for speed improvements and to get away from having to manually set 'handlers'. '''Still not
done in 04/2010 -- Stack'''
 * C/C++ client API [[https://issues.apache.org/jira/browse/HBASE-1015|HBASE-1015]] '''Still
not done in 04/2010 -- Stack'''
 * New UI webapp -- Currently if master transistion, UI transitions with master.  If 5 masters,
where's my UI after master failover? '''Still not done in 04/2010 -- Stack'''
 * Uploader that writes the filesystem rather than the HBase API [[https://issues.apache.org/jira/browse/HBASE-48|HBASE-48]]
-- Is whats there sufficient? '''Done for single-family case -- Stack'''
 * Distributed log splitting [[https://issues.apache.org/jira/browse/HBASE-1364|HBASE-1364]]
'''Still not done in 04/2010 -- Stack'''
 * Pool of commit loggers in each HRegionServer [[https://issues.apache.org/jira/browse/HBASE-1416|HBASE-1416]]
'''Still not done in 04/2010 -- Stack'''
 * Refactor HRS [[https://issues.apache.org/jira/browse/HBASE-1406|HBASE-1406]] '''Still not
done in 04/2010 -- Stack'''
 * Intra-row scanning [[https://issues.apache.org/jira/browse/HBASE-1537|HBASE-1537]] '''Done
-- Stack'''
 * Bloom filters revisit [[https://issues.apache.org/jira/browse/HBASE-1200|HBASE-1200]] '''Still
not done in 04/2010 -- Stack'''
 * Update thrift IDL to match new, rich hbase API [[https://issues.apache.org/jira/browse/HBASE-1744|HBASE-1744]]
'''Still not done in 04/2010 -- Stack'''
 * [[http://wiki.apache.org/hadoop/Hbase/Stargate#8|Stargate Roadmap]]

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