stats example

gistfile1.java

    
    public static void main(String[] args) throws InterruptedException {
        Config cfg = new XmlConfigBuilder().build();
        cfg.setProperty("hazelcast.local.localAddress", "127.0.0.1");
        cfg.setProperty(GroupProperties.PROP_HEALTH_MONITORING_LEVEL, HealthMonitorLevel.NOISY.toString());
        // memory stats will be logged in every 10 seconds
        cfg.setProperty(GroupProperties.PROP_HEALTH_MONITORING_DELAY_SECONDS, "10");

        String cacheName = "cache";
        MemorySize memorySize = new MemorySize(100, MemoryUnit.MEGABYTES);
        OffHeapMemoryConfig memoryConfig = new OffHeapMemoryConfig()
                .setSize(memorySize).setEnabled(true);
        cfg.setOffHeapMemoryConfig(memoryConfig);
        SerializationConfig serializationConfig = cfg.getSerializationConfig();
        serializationConfig.setAllowUnsafe(true);
        Hazelcast.newHazelcastInstance(cfg);
        HazelcastInstance client = HazelcastClient.newHazelcastClient(new ClientConfig());
        CacheManager cacheManager = new HazelcastCachingProvider(client).getCacheManager();
        final ICache<String, String> cache = (ICache) cacheManager.getCache(cacheName);

        Random random = new Random(System.currentTimeMillis());
        for (int i = 0; i < 1000; i++) {
            cache.put("key" + i, "value" + i);
            cache.get("key" + random.nextInt(100));
            CacheStats stats = cache.getStats();
            System.out.println("CACHE STATS:");
            System.out.println("Size:"+ stats.getSize()+ " - Hits:"+stats.getHits() + " - Misses:" + stats.getMisses());
            Thread.sleep(1000);
        }
    }