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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Update of "ArchitectureAntiEntropy" by JingguoYao
Date Wed, 23 Mar 2011 10:48:17 GMT
Dear Wiki user,

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

The "ArchitectureAntiEntropy" page has been changed by JingguoYao.
The comment on this change is: Disable wiki links.
http://wiki.apache.org/cassandra/ArchitectureAntiEntropy?action=diff&rev1=4&rev2=5

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

  == Anti-entropy Overview ==
  
- !AntiEntropyService generates !MerkleTrees for column families during major compactions.
These trees are then exchanged with remote nodes via a !TreeRequest/!TreeResponse conversation,
and when ranges in the trees disagree, the 'org.apache.cassandra.streaming' package is used
to repair those ranges.
+ !AntiEntropyService generates !MerkleTrees for column families during major compactions.
These trees are then exchanged with remote nodes via a !TreeRequest/TreeResponse conversation,
and when ranges in the trees disagree, the 'org.apache.cassandra.streaming' package is used
to repair those ranges.
  
  Tree comparison and repair triggering occur in the single threaded AE_SERVICE_STAGE.
  

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