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Posted to commits@cassandra.apache.org by jb...@apache.org on 2010/07/16 00:08:19 UTC
svn commit: r964625 -
/cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java
Author: jbellis
Date: Thu Jul 15 22:08:19 2010
New Revision: 964625
URL: http://svn.apache.org/viewvc?rev=964625&view=rev
Log:
simplify FailureDetector probability calculation. patch by jbellis
Modified:
cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java
Modified: cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java
URL: http://svn.apache.org/viewvc/cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java?rev=964625&r1=964624&r2=964625&view=diff
==============================================================================
--- cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java (original)
+++ cassandra/trunk/src/java/org/apache/cassandra/gms/FailureDetector.java Thu Jul 15 22:08:19 2010
@@ -266,7 +266,7 @@ class ArrivalWindow
{
double mean = mean();
double exponent = (-1)*(t)/mean;
- return 1 - ( 1 - Math.pow(Math.E, exponent) );
+ return Math.pow(Math.E, exponent);
}
double phi(long tnow)