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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "ZooKeeper/GSoCFailureDetector" by AbmarBarros
Date Mon, 16 Aug 2010 18:51:48 GMT
Dear Wiki user,

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

The "ZooKeeper/GSoCFailureDetector" page has been changed by AbmarBarros.
http://wiki.apache.org/hadoop/ZooKeeper/GSoCFailureDetector?action=diff&rev1=12&rev2=13

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

   * '''Second batch of tests''':
     * In these tests, Fixed heartbeat and Bertier's strategies did not present any false
suspicion. With the given alpha, Chen's presented 13/200 false suspicions, and the Phi-accrual,
with the windowminsize parameter equals to 0, have made false suspicion on all the clients.
Below, we show the average detection time of all methods but the Phi-accrual: 
  
+    * {{http://www2.lsd.ufcg.edu.br/~abmar/zk/fd-comparison.png}}
+ 
     * The Phi-accrual method must be evaluated again with a better windowminsize parameter
and in a scenario with larger duration, so the warm-up period is not considered.   
  
  ==== Concluding remarks ====

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