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)
