Examples with NearCacheStats com.hazelcast.monitor.NearCacheStats used on opensource projects

Example 6 with NearCacheStats

use of com.hazelcast.monitor.NearCacheStats in project hazelcast by hazelcast.

the class NearCacheLiteMemberTest method testPutAll.

public static void testPutAll(HazelcastInstance instance, HazelcastInstance lite, String mapName) {
    IMap<Object, Object> map = instance.getMap(mapName);
    IMap<Object, Object> liteMap = lite.getMap(mapName);
    NearCachedMapProxyImpl proxy = (NearCachedMapProxyImpl) liteMap;
    NearCache liteNearCache = proxy.getNearCache();
    SerializationService serializationService = ((SerializationServiceSupport) instance).getSerializationService();
    int count = 100;
    // fill the near cache with the same data as below so we can detect when it is emptied
    for (int i = 0; i < count; i++) {
        liteNearCache.put(serializationService.toData(i), i);
    }
    final NearCacheStats stats = liteNearCache.getNearCacheStats();
    assertEquals(100, stats.getOwnedEntryCount());
    Map<Object, Object> localMap = new HashMap<Object, Object>();
    for (int i = 0; i < count; i++) {
        localMap.put(i, i);
    }
    map.putAll(localMap);
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertEquals(0, stats.getOwnedEntryCount());
        }
    });
    for (int i = 0; i < count; i++) {
        liteMap.get(i);
    }
    assertLiteMemberNearCacheNonEmpty(lite, mapName);
}

Example 7 with NearCacheStats

use of com.hazelcast.monitor.NearCacheStats in project hazelcast by hazelcast.

the class NearCacheTest method testNearCacheStats.

@Test
public void testNearCacheStats() {
    int mapSize = 1000;
    String mapName = randomMapName();
    Config config = getConfig();
    config.getMapConfig(mapName).setNearCacheConfig(newNearCacheConfig().setInvalidateOnChange(false));
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance[] instances = factory.newInstances(config);
    // populate map
    IMap<Integer, Integer> map = instances[0].getMap(mapName);
    populateMap(map, mapSize);
    // populate Near Cache
    populateNearCache(map, mapSize);
    NearCacheStats stats = getNearCacheStats(map);
    long ownedEntryCount = stats.getOwnedEntryCount();
    long misses = stats.getMisses();
    assertTrue(format("Near Cache entry count should be > %d but were %d", 400, ownedEntryCount), ownedEntryCount > 400);
    assertEquals(format("Near Cache misses should be %d but were %d", mapSize, misses), mapSize, misses);
    // make some hits
    populateNearCache(map, mapSize);
    stats = getNearCacheStats(map);
    long hits = stats.getHits();
    misses = stats.getMisses();
    long hitsAndMisses = hits + misses;
    assertTrue(format("Near Cache hits should be > %d but were %d", 400, hits), hits > 400);
    assertTrue(format("Near Cache misses should be > %d but were %d", 400, misses), misses > 400);
    assertEquals(format("Near Cache hits + misses should be %s but were %d", mapSize * 2, hitsAndMisses), mapSize * 2, hitsAndMisses);
}

Example 8 with NearCacheStats

use of com.hazelcast.monitor.NearCacheStats in project hazelcast by hazelcast.

the class NearCacheRecordStoreTestSupport method statsCalculated.

protected void statsCalculated(InMemoryFormat inMemoryFormat) {
    long creationStartTime = System.currentTimeMillis();
    NearCacheConfig nearCacheConfig = createNearCacheConfig(DEFAULT_NEAR_CACHE_NAME, inMemoryFormat);
    NearCacheRecordStore<Integer, String> nearCacheRecordStore = createNearCacheRecordStore(nearCacheConfig, inMemoryFormat);
    long creationEndTime = System.currentTimeMillis();
    int expectedEntryCount = 0;
    int expectedHits = 0;
    int expectedMisses = 0;
    for (int i = 0; i < DEFAULT_RECORD_COUNT; i++) {
        nearCacheRecordStore.put(i, "Record-" + i);
        expectedEntryCount++;
    }
    for (int i = 0; i < DEFAULT_RECORD_COUNT; i++) {
        if (nearCacheRecordStore.get(i * 3) != null) {
            expectedHits++;
        } else {
            expectedMisses++;
        }
    }
    NearCacheStats nearCacheStats = nearCacheRecordStore.getNearCacheStats();
    long memoryCostWhenFull = nearCacheStats.getOwnedEntryMemoryCost();
    assertTrue(nearCacheStats.getCreationTime() >= creationStartTime);
    assertTrue(nearCacheStats.getCreationTime() <= creationEndTime);
    assertEquals(expectedHits, nearCacheStats.getHits());
    assertEquals(expectedMisses, nearCacheStats.getMisses());
    assertEquals(expectedEntryCount, nearCacheStats.getOwnedEntryCount());
    switch(inMemoryFormat) {
        case BINARY:
            assertTrue(memoryCostWhenFull > 0);
            break;
        case OBJECT:
            assertEquals(0, memoryCostWhenFull);
    }
    for (int i = 0; i < DEFAULT_RECORD_COUNT; i++) {
        if (nearCacheRecordStore.remove(i * 3)) {
            expectedEntryCount--;
        }
    }
    assertEquals(expectedEntryCount, nearCacheStats.getOwnedEntryCount());
    switch(inMemoryFormat) {
        case BINARY:
            assertTrue(nearCacheStats.getOwnedEntryMemoryCost() > 0);
            assertTrue(nearCacheStats.getOwnedEntryMemoryCost() < memoryCostWhenFull);
            break;
        case OBJECT:
            assertEquals(0, nearCacheStats.getOwnedEntryMemoryCost());
            break;
    }
    nearCacheRecordStore.clear();
    switch(inMemoryFormat) {
        case BINARY:
        case OBJECT:
            assertEquals(0, nearCacheStats.getOwnedEntryMemoryCost());
            break;
    }
}

Example 9 with NearCacheStats

use of com.hazelcast.monitor.NearCacheStats in project hazelcast by hazelcast.

the class NearCacheTestUtils method assertNearCacheStats.

/**
     * Asserts the {@link NearCacheStats} for expected values.
     *
     * @param context                 the {@link NearCacheTestContext} to retrieve the stats from
     * @param expectedOwnedEntryCount the expected owned entry count
     * @param expectedHits            the expected Near Cache hits
     * @param expectedMisses          the expected Near Cache misses
     * @param expectedEvictions       the expected Near Cache evictions
     * @param expectedExpirations     the expected Near Cache expirations
     */
public static void assertNearCacheStats(NearCacheTestContext<?, ?, ?, ?> context, long expectedOwnedEntryCount, long expectedHits, long expectedMisses, long expectedEvictions, long expectedExpirations) {
    NearCacheStats stats = context.stats;
    assertEqualsFormat("Near Cache entry count should be %d, but was %d (%s)", expectedOwnedEntryCount, stats.getOwnedEntryCount(), stats);
    assertEqualsFormat("Near Cache hits should be %d, but were %d (%s)", expectedHits, stats.getHits(), stats);
    assertEqualsFormat("Near Cache misses should be %d, but were %d (%s)", expectedMisses, stats.getMisses(), stats);
    assertEqualsFormat("Near Cache evictions should be %d, but were %d (%s)", expectedEvictions, stats.getEvictions(), stats);
    assertEqualsFormat("Near Cache expirations should be %d, but were %d (%s)", expectedExpirations, stats.getExpirations(), stats);
}

Example 10 with NearCacheStats

use of com.hazelcast.monitor.NearCacheStats in project hazelcast by hazelcast.

the class AbstractNearCachePreloaderTest method assertLastNearCachePersistence.

private static void assertLastNearCachePersistence(NearCacheTestContext context, File defaultStoreFile, int keyCount) {
    NearCacheStats nearCacheStats = context.nearCache.getNearCacheStats();
    assertEquals(keyCount, nearCacheStats.getLastPersistenceKeyCount());
    if (keyCount > 0) {
        assertTrue(nearCacheStats.getLastPersistenceWrittenBytes() > 0);
        assertTrue(defaultStoreFile.exists());
    } else {
        assertEquals(0, nearCacheStats.getLastPersistenceWrittenBytes());
        assertFalse(defaultStoreFile.exists());
    }
    assertTrue(nearCacheStats.getLastPersistenceFailure().isEmpty());
}