Author: brandonwilliams Date: Thu Jul 15 22:12:42 2010 New Revision: 964626
URL: http://svn.apache.org/viewvc?rev=964626&view=rev Log: simplify AdaptiveLatencyTracker probability calculation. Modified: cassandra/trunk/src/java/org/apache/cassandra/locator/DynamicEndpointSnitch.java Modified: cassandra/trunk/src/java/org/apache/cassandra/locator/DynamicEndpointSnitch.java URL: http://svn.apache.org/viewvc/cassandra/trunk/src/java/org/apache/cassandra/locator/DynamicEndpointSnitch.java?rev=964626&r1=964625&r2=964626&view=diff ============================================================================== --- cassandra/trunk/src/java/org/apache/cassandra/locator/DynamicEndpointSnitch.java (original) +++ cassandra/trunk/src/java/org/apache/cassandra/locator/DynamicEndpointSnitch.java Thu Jul 15 22:12:42 2010 @@ -221,7 +221,7 @@ class AdaptiveLatencyTracker extends Abs { double mean = mean(); double exponent = (-1) * (t) / mean; - return 1 - ( 1 - Math.pow( Math.E, exponent) ); + return Math.pow( Math.E, exponent); } double score()
