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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "HBase/Original021Roadmap" by stack
Date Sun, 18 Apr 2010 04:21:44 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?action=diff&rev1=1&rev2=2

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

- HBase 0.21 Roadmap
+ = HBase 0.21 Roadmap =
+ Original 0.21 roadmap was done back in 08/2009. HBase is still not out as of this writing
on 04/2010 hence we have a [[#original021|Stale 0.21 Roadmap]] that we need to update, the
[[#current021|Current 0.21 Roadmap]]
  
+  * [[#current021|Current 0.21 Roadmap]]
+  * [[#original021|Stale 0.21 Roadmap]]
+ 
- <Anchor(new021)>>
+ <<Anchor(current021)>>
+ 
+ == Current 0.21 Roadmap ==
+ 
- 0.21 RoadMap, [[http://www.meetup.com/hackathon/calendar/13063062/|Hackathon3]] draft
+ The 0.21 RoadMap, [[http://www.meetup.com/hackathon/calendar/13063062/|Hackathon3]] draft.
+ 
+ TODO:
  
  
   
  
- <Anchor(original021)>> 
+ <<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]].
+ 
+ == Original (Stale)0.21 Roadmap ==
+ 
+ Here is the old HBase 0.21 list, made for the timeframe of approximately August-September
of 2009.  It was drafted at [[http://www.meetup.com/hackathon/calendar/10951718/|Hackathon2
at StumbleUpon]] in 08/2009.  Its since obsoleted by the above, moved aside on 04/17/2010.
+ 
+ Some of the below had detail added later: [[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'''
+    * Insure that proper append() support in HDFS actually closes the WAL last block write
hole '''Still not done in 04/2010 but should be a version in 0.20.5 -- 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'''
+  * Master rewrite / Move more state management to ZooKeeper '''Still not done in 04/2010,
design outline available at [[Hbase/MasterRewrite|Master Rewrite Design]] -- 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'''
+  * Replication [[https://issues.apache.org/jira/browse/HBASE-1295|HBASE-1295]] '''Version
in test now -- 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'''
+  * 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]] '''Partial revamp, much more
to do to make hbase easier to test -- 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'''
+  * 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, Avro doesn't yet have an RPC we'd want to move to (better serialization
is nice an' all but its the transport we're interested in...) -- Stack'''
-  * C/C++ client API [[https://issues.apache.org/jira/browse/HBASE-1015|HBASE-1015]] '''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, and desire has slipped -- 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'''
+  * Pool of commit loggers in each HRegionServer [[https://issues.apache.org/jira/browse/HBASE-1416|HBASE-1416]]
'''Still not done in 04/2010 and of less import -- 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'''
+  * Bloom filters revisit [[https://issues.apache.org/jira/browse/HBASE-1200|HBASE-1200]]
'''Still not done in 04/2010, currently under active dev -- 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'''
+  * 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, currently under active dev -- Stack'''
   * [[http://wiki.apache.org/hadoop/Hbase/Stargate#8|Stargate Roadmap]]
  

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