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

Example 26 with NearCacheStats

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

the class ClientTxnMapNearCacheTest method replaceIfSame_invalidates_server_side_near_cache.

@Test
public void replaceIfSame_invalidates_server_side_near_cache() {
    TransactionContext context = client.newTransactionContext();
    context.beginTransaction();
    TransactionalMap<Object, Object> txnMap = context.getMap(MAP_NAME);
    for (int i = 0; i < KEY_COUNT; i++) {
        txnMap.replace(i, i, i);
    }
    context.commitTransaction();
    NearCacheStats nearCacheStats = serverMap.getLocalMapStats().getNearCacheStats();
    long ownedEntryCount = nearCacheStats.getOwnedEntryCount();
    long invalidations = nearCacheStats.getInvalidations();
    assertEquals(0, ownedEntryCount);
    assertEquals(KEY_COUNT, invalidations);
}

Example 27 with NearCacheStats

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

the class NearCacheRecordStoreTestSupport method expiredRecordsCleanedUpSuccessfully.

void expiredRecordsCleanedUpSuccessfully(InMemoryFormat inMemoryFormat, boolean useIdleTime) {
    int cleanUpThresholdSeconds = 3;
    NearCacheConfig nearCacheConfig = createNearCacheConfig(DEFAULT_NEAR_CACHE_NAME, inMemoryFormat);
    if (useIdleTime) {
        nearCacheConfig.setMaxIdleSeconds(cleanUpThresholdSeconds);
    } else {
        nearCacheConfig.setTimeToLiveSeconds(cleanUpThresholdSeconds);
    }
    NearCacheRecordStore<Integer, String> nearCacheRecordStore = createNearCacheRecordStore(nearCacheConfig, inMemoryFormat);
    for (int i = 0; i < DEFAULT_RECORD_COUNT; i++) {
        nearCacheRecordStore.put(i, null, "Record-" + i, null);
    }
    sleepSeconds(cleanUpThresholdSeconds + 1);
    nearCacheRecordStore.doExpiration();
    assertEquals(0, nearCacheRecordStore.size());
    NearCacheStats nearCacheStats = nearCacheRecordStore.getNearCacheStats();
    assertEquals(0, nearCacheStats.getOwnedEntryCount());
    assertEquals(0, nearCacheStats.getOwnedEntryMemoryCost());
}

Example 28 with NearCacheStats

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

the class NearCacheTestSupport method testNearCacheEviction.

protected void testNearCacheEviction(IMap<Integer, Integer> map, int size) {
    // all Near Cache implementations use the same eviction algorithm, which evicts a single entry
    int expectedEvictions = 1;
    // populate map with an extra entry
    populateMap(map, size + 1);
    // populate Near Caches
    populateNearCache(map, size);
    NearCacheStats statsBeforeEviction = getNearCacheStatsCopy(map);
    // trigger eviction via fetching the extra entry
    map.get(size);
    waitForNearCacheEvictions(map, expectedEvictions);
    // we expect (size + the extra entry - the expectedEvictions) entries in the Near Cache
    int expectedOwnedEntryCount = size + 1 - expectedEvictions;
    NearCacheStats stats = getNearCacheStats(map);
    assertEquals("got the wrong ownedEntryCount", expectedOwnedEntryCount, stats.getOwnedEntryCount());
    assertEquals("got the wrong eviction count", expectedEvictions, stats.getEvictions());
    assertEquals("got the wrong expiration count", 0, stats.getExpirations());
    assertEquals("we expect the same hits", statsBeforeEviction.getHits(), stats.getHits());
    assertEquals("we expect one miss more", statsBeforeEviction.getMisses() + 1, stats.getMisses());
}

Example 29 with NearCacheStats

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

the class NearCacheTestSupport method assertNearCacheExpiration.

protected void assertNearCacheExpiration(final IMap<Integer, Integer> map, final int size) {
    assertTrueEventually(() -> {
        NearCache nearCache = getBackingNearCache(map);
        NearCacheStats stats = getNearCacheStats(map);
        // make assertions over near cache's backing map size.
        long nearCacheSize = nearCache.size();
        assertEquals(format("Expected zero near cache size but found: %d, [%s] ", nearCacheSize, stats), 0, nearCacheSize);
        // make assertions over near cache stats.
        long ownedEntryCount = stats.getOwnedEntryCount();
        assertEquals(format("Expected no owned entry but found: %d, [%s]", ownedEntryCount, stats), 0, ownedEntryCount);
        long ownedEntryMemoryCost = stats.getOwnedEntryMemoryCost();
        assertEquals(format("Expected zero memory cost but found: %d, [%s]", ownedEntryMemoryCost, stats), 0, ownedEntryMemoryCost);
        long expiredCount = stats.getExpirations();
        assertEquals(format("Expected to see all entries as expired but found: %d, [%s]", expiredCount, stats), size, expiredCount);
        long evictedCount = stats.getEvictions();
        assertEquals(format("Expiration should not trigger eviction stat but found: %d, [%s]", evictedCount, stats), 0, evictedCount);
    });
}

Example 30 with NearCacheStats

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

the class MemberMapReconciliationTest method test_reconciliation_does_not_cause_premature_removal.

@Test
public void test_reconciliation_does_not_cause_premature_removal() {
    int total = 100;
    for (int i = 0; i < total; i++) {
        serverMap.put(i, i);
    }
    for (int i = 0; i < total; i++) {
        nearCachedServerMap.get(i);
    }
    final IMap<Integer, Integer> nearCachedMapFromNewServer = nearCachedMapFromNewServer();
    warmUpPartitions(factory.getAllHazelcastInstances());
    waitAllForSafeState(factory.getAllHazelcastInstances());
    waitForNearCacheInvalidationMetadata(nearCachedMapFromNewServer, server);
    for (int i = 0; i < total; i++) {
        nearCachedMapFromNewServer.get(i);
    }
    NearCacheStats nearCacheStats = nearCachedMapFromNewServer.getLocalMapStats().getNearCacheStats();
    assertStats(MAP_NAME, nearCacheStats, total, 0, total);
    sleepSeconds(2 * RECONCILIATION_INTERVAL_SECS);
    for (int i = 0; i < total; i++) {
        nearCachedMapFromNewServer.get(i);
    }
    assertStats(MAP_NAME, nearCacheStats, total, total, total);
}