svn commit: r1050252 - /hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java

[stack]

Author: stack
Date: Fri Dec 17 00:19:25 2010
New Revision: 1050252

URL: http://svn.apache.org/viewvc?rev=1050252&view=rev
Log:
Fix small div-by-zero exception found in an FB test cluster

Modified:
    
hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java

Modified: 
hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java
URL: 
http://svn.apache.org/viewvc/hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java?rev=1050252&r1=1050251&r2=1050252&view=diff
==============================================================================
--- 
hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java
 (original)
+++ 
hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/metrics/PersistentMetricsTimeVaryingRate.java
 Fri Dec 17 00:19:25 2010
@@ -128,7 +128,7 @@ public class PersistentMetricsTimeVaryin
     if (curOps > 0) {
       long curTime = this.getPreviousIntervalAverageTime();
       long totalTime = curTime * curOps;
-      if (totalTime / curTime == curOps) {
+      if (curTime == 0 || totalTime / curTime == curOps) {
         super.inc(curOps, totalTime);
       } else {
         LOG.info("Stats for " + this.getName() + " overflowed! resetting");