Author: chetanm
Date: Thu Jul 4 05:37:02 2013
New Revision: 1499657
URL: http://svn.apache.org/r1499657
Log:
OAK-863 - Enable stats for various caches used in Oak by default
Prettyfying toString
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/cache/CacheStats.java
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/cache/CacheStats.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/cache/CacheStats.java?rev=1499657&r1=1499656&r2=1499657&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/cache/CacheStats.java
(original)
+++
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/cache/CacheStats.java
Thu Jul 4 05:37:02 2013
@@ -18,7 +18,10 @@
*/
package org.apache.jackrabbit.oak.cache;
+import java.text.SimpleDateFormat;
+import java.util.Date;
import java.util.Map;
+import java.util.concurrent.TimeUnit;
import com.google.common.base.Objects;
import com.google.common.cache.Cache;
@@ -148,8 +151,8 @@ public class CacheStats implements Cache
.add("loadCount", getLoadCount())
.add("loadSuccessCount", getLoadSuccessCount())
.add("loadExceptionCount", getLoadExceptionCount())
- .add("totalLoadTime", getTotalLoadTime())
- .add("averageLoadPenalty", String.format("%1.2f",
getAverageLoadPenalty()))
+ .add("totalLoadTime", timeInWords(getTotalLoadTime()))
+ .add("averageLoadPenalty (nanos)", getAverageLoadPenalty())
.add("evictionCount", getEvictionCount())
.add("elementCount", getElementCount())
.add("totalWeight",
humanReadableByteCount(estimateCurrentWeight(), true))
@@ -165,6 +168,16 @@ public class CacheStats implements Cache
return cache.stats().minus(lastSnapshot);
}
+ private static String timeInWords(long nanos){
+ long millis = TimeUnit.NANOSECONDS.toMillis(nanos);
+ return String.format("%d min, %d sec",
+ TimeUnit.MILLISECONDS.toMinutes(millis),
+ TimeUnit.MILLISECONDS.toSeconds(millis) -
+
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis))
+ );
+ //return (new SimpleDateFormat("mm:ss:SSS")).format(new Date(millis));
+ }
+
/**
* Based on http://stackoverflow.com/a/3758880/1035417
*/
