Author: jukka
Date: Wed Apr 23 18:18:30 2014
New Revision: 1589484
URL: http://svn.apache.org/r1589484
Log:
OAK-1757: Oak eats too many CPU cycles when idle
Make the Fast clock update interval configurable for testing purposes
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/stats/Clock.java
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/stats/Clock.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/stats/Clock.java?rev=1589484&r1=1589483&r2=1589484&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/stats/Clock.java
(original)
+++
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/stats/Clock.java
Wed Apr 23 18:18:30 2014
@@ -45,6 +45,14 @@ public abstract class Clock {
private static final long ACCURATE_CLOCK_GRANULARITY =
Long.getLong("accurate.clock.granularity", 1);
+ /**
+ * Millisecond update interval of the {@link Fast} clock. Configurable
+ * by the "fast.clock.interval" system property to to make it easier
+ * to test the effect of different update frequencies.
+ */
+ private static final long FAST_CLOCK_INTERVAL =
+ Long.getLong("fast.clock.interval", 1);
+
private long monotonic = 0;
private long increasing = 0;
@@ -277,7 +285,7 @@ public abstract class Clock {
public void run() {
time = ACCURATE.getTime();
}
- }, 1, 1, TimeUnit.MILLISECONDS);
+ }, FAST_CLOCK_INTERVAL, FAST_CLOCK_INTERVAL,
TimeUnit.MILLISECONDS);
}
@Override
