@Test
public void testMapRecordEviction() throws InterruptedException {
int size = 100000;
Config cfg = new Config();
MapConfig mc = cfg.getMapConfig("testMapRecordEviction");
mc.setTimeToLiveSeconds(1);
final CountDownLatch latch = new CountDownLatch(size);
mc.addEntryListenerConfig(
new EntryListenerConfig()
.setImplementation(
new EntryAdapter() {
public void entryEvicted(EntryEvent event) {
latch.countDown();
}
})
.setLocal(true));
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
final HazelcastInstance[] instances = factory.newInstances(cfg);
IMap map = instances[0].getMap("testMapRecordEviction");
for (int i = 0; i < size; i++) {
map.put(i, i);
}
assertTrue(latch.await(5, TimeUnit.MINUTES));
assertEquals(0, map.size());
}
@Test
public void testMapRecordIdleEvictionOnMigration() throws InterruptedException {
Config cfg = new Config();
final String name = "testMapRecordIdleEvictionOnMigration";
MapConfig mc = cfg.getMapConfig(name);
int maxIdleSeconds = 10;
int size = 100;
final int nsize = size / 5;
mc.setMaxIdleSeconds(maxIdleSeconds);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
HazelcastInstance instance1 = factory.newHazelcastInstance(cfg);
final IMap map = instance1.getMap(name);
final CountDownLatch latch = new CountDownLatch(size - nsize);
map.addEntryListener(
new EntryAdapter() {
public void entryEvicted(EntryEvent event) {
latch.countDown();
}
},
false);
for (int i = 0; i < size; i++) {
map.put(i, i);
}
final Thread thread =
new Thread(
new Runnable() {
public void run() {
while (!Thread.currentThread().isInterrupted()) {
try {
for (int i = 0; i < nsize; i++) {
map.get(i);
}
Thread.sleep(1000);
} catch (HazelcastInstanceNotActiveException e) {
return;
} catch (InterruptedException e) {
return;
}
}
}
});
thread.start();
HazelcastInstance instance2 = factory.newHazelcastInstance(cfg);
HazelcastInstance instance3 = factory.newHazelcastInstance(cfg);
assertTrue(latch.await(1, TimeUnit.MINUTES));
Assert.assertEquals(nsize, map.size());
thread.interrupt();
thread.join(5000);
}
/*
github issue 585
*/
@Test
public void testIssue585SetWithoutTTL() throws InterruptedException {
Config config = new Config();
config.getGroupConfig().setName("testIssue585ZeroTTLShouldPreventEvictionWithSet");
NearCacheConfig nearCacheConfig = new NearCacheConfig();
config.getMapConfig("default").setNearCacheConfig(nearCacheConfig);
int n = 1;
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(n);
HazelcastInstance h = factory.newHazelcastInstance(config);
IMap<String, String> map = h.getMap("testIssue585ZeroTTLShouldPreventEvictionWithSet");
map.set("key", "value", 1, TimeUnit.SECONDS);
map.set("key", "value2");
Thread.sleep(2000);
assertEquals(0, map.size());
h.getLifecycleService().shutdown();
}
@Test
public void testEvictionLFU() {
try {
final int k = 1;
final int size = 10000;
final String mapName = "testEvictionLFU";
Config cfg = new Config();
MapConfig mc = cfg.getMapConfig(mapName);
mc.setEvictionPolicy(MapConfig.EvictionPolicy.LFU);
mc.setEvictionPercentage(20);
MaxSizeConfig msc = new MaxSizeConfig();
msc.setMaxSizePolicy(MaxSizeConfig.MaxSizePolicy.PER_NODE);
msc.setSize(size);
mc.setMaxSizeConfig(msc);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(k);
final HazelcastInstance[] instances = factory.newInstances(cfg);
IMap<Object, Object> map = instances[0].getMap(mapName);
for (int i = 0; i < size / 2; i++) {
map.put(i, i);
map.get(i);
}
Thread.sleep(1000);
for (int i = size / 2; i < size; i++) {
map.put(i, i);
}
Thread.sleep(3000);
Assert.assertFalse("No eviction!?!?!?", map.size() == size);
boolean isFrequentlyUsedEvicted = false;
for (int i = 0; i < size / 2; i++) {
if (map.get(i) == null) {
isFrequentlyUsedEvicted = true;
break;
}
}
Assert.assertFalse(isFrequentlyUsedEvicted);
instances[0].getLifecycleService().shutdown();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
@Test
public void testMapWideEviction() throws InterruptedException {
int size = 10000;
Config cfg = new Config();
MapConfig mc = cfg.getMapConfig("testMapWideEviction");
mc.setEvictionPolicy(MapConfig.EvictionPolicy.LRU);
mc.setEvictionPercentage(25);
MaxSizeConfig msc = new MaxSizeConfig();
msc.setMaxSizePolicy(MaxSizeConfig.MaxSizePolicy.PER_NODE);
msc.setSize(size);
mc.setMaxSizeConfig(msc);
int n = 3;
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(n);
final HazelcastInstance[] instances = factory.newInstances(cfg);
IMap map = instances[0].getMap("testMapWideEviction");
for (int i = 0; i < size; i++) {
map.put(i, i);
}
Thread.sleep(1200);
assertTrue(map.size() <= (size * n * (100 - mc.getEvictionPercentage()) / 100));
}