/** Do a reset of all cachers */
protected void doReset() {
M_log.debug("doReset()");
final List<Ehcache> allCaches = getAllCaches(false);
for (Ehcache ehcache : allCaches) {
ehcache.removeAll(); // TODO should we doNotNotifyCacheReplicators? Ian?
ehcache.clearStatistics();
}
M_log.info("doReset(): Low Memory Recovery to: " + Runtime.getRuntime().freeMemory());
} // doReset
public void doTestElementUpdateRemove(
boolean statsEnabled, boolean nonZeroStatsExpected, boolean asListener)
throws InterruptedException {
Random rand = new Random();
int min = 100;
for (int loop = 0; loop < 5; loop++) {
int total = rand.nextInt(10000) + min;
// always ensure enough capacity. Otherwise cannot predict
// updateCount with eviction (based on capacity)
Ehcache ehcache =
new net.sf.ehcache.Cache(
"test-" + nonZeroStatsExpected + "-" + loop, total + 1, false, false, 1200, 1200);
manager.addCache(ehcache);
// add as a listener
AnotherStatistics anotherStats = new AnotherStatistics();
if (asListener) {
ehcache.registerCacheUsageListener(anotherStats);
} else {
// register and remove as we want to test remove listener
ehcache.registerCacheUsageListener(anotherStats);
ehcache.removeCacheUsageListener(anotherStats);
}
ehcache.setStatisticsEnabled(statsEnabled);
assertEquals(0, anotherStats.getEvictedCount());
assertEquals(0, anotherStats.getPutCount());
assertEquals(0, anotherStats.getRemovedCount());
assertEquals(0, anotherStats.getUpdateCount());
for (int i = 0; i < total; i++) {
ehcache.put(new Element("" + i, "value1"));
}
if (nonZeroStatsExpected) {
assertEquals(total, anotherStats.getPutCount());
assertEquals(0, anotherStats.getEvictedCount());
// assertEquals(total, anotherStats.getSize());
assertEquals(0, anotherStats.getUpdateCount());
assertEquals(0, anotherStats.getRemovedCount());
} else {
assertEquals(0, anotherStats.getPutCount());
assertEquals(0, anotherStats.getEvictedCount());
// assertEquals(0, anotherStats.getSize());
assertEquals(0, anotherStats.getRemovedCount());
assertEquals(0, anotherStats.getUpdateCount());
}
// minimum 1 update
int updates = rand.nextInt(total - 1) + 1;
assertTrue(updates >= 1);
for (int i = 0; i < updates; i++) {
ehcache.put(new Element("" + i, "value1"));
}
if (nonZeroStatsExpected) {
// assertEquals(total, anotherStats.getSize());
assertEquals(updates, anotherStats.getUpdateCount());
assertEquals(total, anotherStats.getPutCount());
assertEquals(0, anotherStats.getEvictedCount());
assertEquals(0, anotherStats.getRemovedCount());
} else {
// assertEquals(0, anotherStats.getSize());
assertEquals(0, anotherStats.getPutCount());
assertEquals(0, anotherStats.getRemovedCount());
assertEquals(0, anotherStats.getEvictedCount());
assertEquals(0, anotherStats.getUpdateCount());
}
// minimum 1 remove
int remove = rand.nextInt(total - 1) + 1;
assertTrue(updates >= 1);
for (int i = 0; i < remove; i++) {
ehcache.remove("" + i);
}
if (nonZeroStatsExpected) {
// assertEquals(total - remove, anotherStats.getSize());
assertEquals(updates, anotherStats.getUpdateCount());
assertEquals(remove, anotherStats.getRemovedCount());
assertEquals(total, anotherStats.getPutCount());
assertEquals(0, anotherStats.getEvictedCount());
} else {
// assertEquals(0, anotherStats.getSize());
assertEquals(0, anotherStats.getPutCount());
assertEquals(0, anotherStats.getRemovedCount());
assertEquals(0, anotherStats.getEvictedCount());
assertEquals(0, anotherStats.getUpdateCount());
}
ehcache.clearStatistics();
assertEquals(0, anotherStats.getPutCount());
assertEquals(0, anotherStats.getRemovedCount());
assertEquals(0, anotherStats.getEvictedCount());
assertEquals(0, anotherStats.getUpdateCount());
manager.removeCache(ehcache.getName());
}
}
/**
* Tests eviction statistics - evictedCount - missCountNotFound - missCountExpired - missCount -
* expiredCount - size
*/
public void doTestEvictionStatistics(
boolean statsEnabled, boolean nonZeroStatsExpected, boolean asListener)
throws InterruptedException {
// run 5 times with random total and capacity values
Random rand = new Random();
int min = 100;
for (int loop = 0; loop < 5; loop++) {
int a = rand.nextInt(10000) + min;
int b = rand.nextInt(10000) + min;
if (a == b) {
a += min;
}
int total = Math.max(a, b);
int capacity = Math.min(a, b);
Ehcache ehcache =
new net.sf.ehcache.Cache(
"test-" + nonZeroStatsExpected + "-" + loop, capacity, false, false, 2, 2);
manager.addCache(ehcache);
AnotherStatistics anotherStats = new AnotherStatistics();
if (asListener) {
ehcache.registerCacheUsageListener(anotherStats);
} else {
// register and remove as we want to test remove listener
ehcache.registerCacheUsageListener(anotherStats);
ehcache.removeCacheUsageListener(anotherStats);
}
ehcache.setStatisticsEnabled(statsEnabled);
assertEquals(0, anotherStats.getEvictedCount());
for (int i = 0; i < total; i++) {
ehcache.put(new Element("" + i, "value1"));
}
if (nonZeroStatsExpected) {
assertEquals(total - capacity, anotherStats.getEvictedCount());
} else {
assertEquals(0, anotherStats.getEvictedCount());
}
Thread.sleep(3010);
// expiries do not count as eviction
if (nonZeroStatsExpected) {
assertEquals(total - capacity, anotherStats.getEvictedCount());
} else {
assertEquals(0, anotherStats.getEvictedCount());
}
// no expiration till a get is tried
assertEquals(0, anotherStats.getCacheMissCount());
assertEquals(0, anotherStats.getCacheMissCountExpired());
assertEquals(0, anotherStats.getExpiredCount());
assertEquals(0, anotherStats.getCacheMissCount());
for (int i = 0; i < total; i++) {
ehcache.get("" + i);
}
if (nonZeroStatsExpected) {
assertEquals(total, anotherStats.getCacheMissCount());
assertEquals(capacity, anotherStats.getCacheMissCountExpired());
assertEquals(capacity, anotherStats.getExpiredCount());
assertEquals(total, anotherStats.getCacheMissCount());
// assertEquals(0, anotherStats.getSize());
} else {
assertEquals(0, anotherStats.getCacheMissCount());
assertEquals(0, anotherStats.getCacheMissCountExpired());
assertEquals(0, anotherStats.getExpiredCount());
assertEquals(0, anotherStats.getCacheMissCount());
// assertEquals(0, anotherStats.getSize());
}
ehcache.clearStatistics();
assertEquals(0, anotherStats.getCacheMissCount());
assertEquals(0, anotherStats.getCacheMissCountExpired());
assertEquals(0, anotherStats.getExpiredCount());
assertEquals(0, anotherStats.getCacheMissCount());
// assertEquals(0, anotherStats.getSize());
manager.removeCache(ehcache.getName());
}
}