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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "ZooKeeper/HBaseUseCases" by stack
Date Tue, 17 Nov 2009 21:22:19 GMT
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The "ZooKeeper/HBaseUseCases" page has been changed by stack.
The comment on this change is: Added anchors.
http://wiki.apache.org/hadoop/ZooKeeper/HBaseUseCases?action=diff&rev1=12&rev2=13

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

  If cluster is to shutdown.
  
  == Near Future Usecases 0.21 HBase ==
+ <<Anchor(case1)>>
  === Case 1 ===
  Summary: HBase Table State and Schema Changes
  
@@ -52, +53 @@

  [PDH] What we have is [[http://hadoop.apache.org/zookeeper/docs/current/recipes.html#sc_outOfTheBox|here]].
Not much to it really - both for name service and dynamic config you are creating znodes that
store relevant data, ZK clients can read/write/watch those nodes.
  
  === Case 2 ===
+ <<Anchor(case2)>>
  Summary: HBase Region Transitions from unassigned to open and from open to unassigned with
some intermediate states
  
  Expected scale: 100k regions across thousands of RegionServers

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