Examples with MemcachedClient net.spy.memcached.MemcachedClient used on opensource projects

Example 16 with MemcachedClient

use of net.spy.memcached.MemcachedClient in project geode by apache.

the class GemcachedDevelopmentJUnitTest method testSet.

@Test
public void testSet() throws Exception {
    MemcachedClient client = bootstrapClient();
    Future<Boolean> f = client.set("key", 10, "myStringValue");
    assertTrue(f.get());
}

Example 17 with MemcachedClient

use of net.spy.memcached.MemcachedClient in project camel by apache.

the class KestrelComponent method getMemcachedClient.

public MemcachedClient getMemcachedClient(KestrelConfiguration config, String queue) {
    String key = config.getAddressesAsString() + "/" + queue;
    MemcachedClient memcachedClient = memcachedClientCache.get(key);
    if (memcachedClient != null) {
        return memcachedClient;
    }
    synchronized (memcachedClientCache) {
        if ((memcachedClient = memcachedClientCache.get(key)) == null) {
            LOG.info("Creating MemcachedClient for " + key);
            try {
                memcachedClient = new MemcachedClient(memcachedConnectionFactory, config.getInetSocketAddresses());
            } catch (Exception e) {
                throw new RuntimeCamelException("Failed to connect to " + key, e);
            }
            memcachedClientCache.put(key, memcachedClient);
        }
    }
    return memcachedClient;
}

Example 18 with MemcachedClient

use of net.spy.memcached.MemcachedClient in project hazelcast-simulator by hazelcast.

the class MemcachedDriver method startVendorInstance.

@Override
public void startVendorInstance() throws Exception {
    String[] nodes = get("nodes").split(",");
    List<InetSocketAddress> addresses = new ArrayList<InetSocketAddress>();
    for (String node : nodes) {
        String[] addressParts = node.split(":");
        if (addressParts.length == 0 || addressParts.length > 2) {
            throw new IllegalArgumentException("Invalid node address. Example: localhost:11211");
        }
        // default memcached port
        int port = 11211;
        if (addressParts.length == 2) {
            port = Integer.parseInt(addressParts[1]);
        }
        addresses.add(new InetSocketAddress(addressParts[0], port));
    }
    this.client = new MemcachedClient(addresses);
}

Example 19 with MemcachedClient

use of net.spy.memcached.MemcachedClient in project onebusaway-application-modules by camsys.

the class CacheService method getCache.

public Cache<K, V> getCache(int timeout, String type) {
    if (_cache == null) {
        _log.info("creating initial " + type + " cache with timeout " + timeout + "...");
        _cache = CacheBuilder.newBuilder().expireAfterWrite(timeout, TimeUnit.SECONDS).build();
        _log.info("done");
    }
    if (memcache == null && useMemcached) {
        try {
            // TODO this appears to leak connections if addr does not exist
            memcache = new MemcachedClient(new BinaryConnectionFactory(), AddrUtil.getAddresses(addr));
        } catch (Exception e) {
        }
    }
    if (_disabled)
        _cache.invalidateAll();
    return _cache;
}

Example 20 with MemcachedClient

use of net.spy.memcached.MemcachedClient in project druid by druid-io.

the class MemcachedCache method create.

public static MemcachedCache create(final MemcachedCacheConfig config) {
    final ConcurrentMap<String, AtomicLong> counters = new ConcurrentHashMap<>();
    final ConcurrentMap<String, AtomicLong> meters = new ConcurrentHashMap<>();
    final AbstractMonitor monitor = new AbstractMonitor() {

        final AtomicReference<Map<String, Long>> priorValues = new AtomicReference<Map<String, Long>>(new HashMap<String, Long>());

        @Override
        public boolean doMonitor(ServiceEmitter emitter) {
            final Map<String, Long> priorValues = this.priorValues.get();
            final Map<String, Long> currentValues = getCurrentValues();
            final ServiceMetricEvent.Builder builder = ServiceMetricEvent.builder();
            for (Map.Entry<String, Long> entry : currentValues.entrySet()) {
                emitter.emit(builder.setDimension("memcached metric", entry.getKey()).build("query/cache/memcached/total", entry.getValue()));
                final Long prior = priorValues.get(entry.getKey());
                if (prior != null) {
                    emitter.emit(builder.setDimension("memcached metric", entry.getKey()).build("query/cache/memcached/delta", entry.getValue() - prior));
                }
            }
            if (!this.priorValues.compareAndSet(priorValues, currentValues)) {
                log.error("Prior value changed while I was reporting! updating anyways");
                this.priorValues.set(currentValues);
            }
            return true;
        }

        private Map<String, Long> getCurrentValues() {
            final ImmutableMap.Builder<String, Long> builder = ImmutableMap.builder();
            for (Map.Entry<String, AtomicLong> entry : counters.entrySet()) {
                builder.put(entry.getKey(), entry.getValue().get());
            }
            for (Map.Entry<String, AtomicLong> entry : meters.entrySet()) {
                builder.put(entry.getKey(), entry.getValue().get());
            }
            return builder.build();
        }
    };
    try {
        LZ4Transcoder transcoder = new LZ4Transcoder(config.getMaxObjectSize());
        // always use compression
        transcoder.setCompressionThreshold(0);
        OperationQueueFactory opQueueFactory;
        long maxQueueBytes = config.getMaxOperationQueueSize();
        if (maxQueueBytes > 0) {
            opQueueFactory = new MemcachedOperationQueueFactory(maxQueueBytes);
        } else {
            opQueueFactory = new LinkedOperationQueueFactory();
        }
        final Predicate<String> interesting = new Predicate<String>() {

            // See net.spy.memcached.MemcachedConnection.registerMetrics()
            private final Set<String> interestingMetrics = ImmutableSet.of("[MEM] Reconnecting Nodes (ReconnectQueue)", // "[MEM] Shutting Down Nodes (NodesToShutdown)", // Busted
            "[MEM] Request Rate: All", "[MEM] Average Bytes written to OS per write", "[MEM] Average Bytes read from OS per read", "[MEM] Average Time on wire for operations (µs)", "[MEM] Response Rate: All (Failure + Success + Retry)", "[MEM] Response Rate: Retry", "[MEM] Response Rate: Failure", "[MEM] Response Rate: Success");

            @Override
            public boolean apply(@Nullable String input) {
                return input != null && interestingMetrics.contains(input);
            }
        };
        final MetricCollector metricCollector = new MetricCollector() {

            @Override
            public void addCounter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                counters.putIfAbsent(name, new AtomicLong(0L));
                if (log.isDebugEnabled()) {
                    log.debug("Add Counter [%s]", name);
                }
            }

            @Override
            public void removeCounter(String name) {
                if (log.isDebugEnabled()) {
                    log.debug("Ignoring request to remove [%s]", name);
                }
            }

            @Override
            public void incrementCounter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                AtomicLong counter = counters.get(name);
                if (counter == null) {
                    counters.putIfAbsent(name, new AtomicLong(0));
                    counter = counters.get(name);
                }
                counter.incrementAndGet();
                if (log.isDebugEnabled()) {
                    log.debug("Increment [%s]", name);
                }
            }

            @Override
            public void incrementCounter(String name, int amount) {
                if (!interesting.apply(name)) {
                    return;
                }
                AtomicLong counter = counters.get(name);
                if (counter == null) {
                    counters.putIfAbsent(name, new AtomicLong(0));
                    counter = counters.get(name);
                }
                counter.addAndGet(amount);
                if (log.isDebugEnabled()) {
                    log.debug("Increment [%s] %d", name, amount);
                }
            }

            @Override
            public void decrementCounter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                AtomicLong counter = counters.get(name);
                if (counter == null) {
                    counters.putIfAbsent(name, new AtomicLong(0));
                    counter = counters.get(name);
                }
                counter.decrementAndGet();
                if (log.isDebugEnabled()) {
                    log.debug("Decrement [%s]", name);
                }
            }

            @Override
            public void decrementCounter(String name, int amount) {
                if (!interesting.apply(name)) {
                    return;
                }
                AtomicLong counter = counters.get(name);
                if (counter == null) {
                    counters.putIfAbsent(name, new AtomicLong(0L));
                    counter = counters.get(name);
                }
                counter.addAndGet(-amount);
                if (log.isDebugEnabled()) {
                    log.debug("Decrement [%s] %d", name, amount);
                }
            }

            @Override
            public void addMeter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                meters.putIfAbsent(name, new AtomicLong(0L));
                if (log.isDebugEnabled()) {
                    log.debug("Adding meter [%s]", name);
                }
            }

            @Override
            public void removeMeter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                if (log.isDebugEnabled()) {
                    log.debug("Ignoring request to remove meter [%s]", name);
                }
            }

            @Override
            public void markMeter(String name) {
                if (!interesting.apply(name)) {
                    return;
                }
                AtomicLong meter = meters.get(name);
                if (meter == null) {
                    meters.putIfAbsent(name, new AtomicLong(0L));
                    meter = meters.get(name);
                }
                meter.incrementAndGet();
                if (log.isDebugEnabled()) {
                    log.debug("Increment counter [%s]", name);
                }
            }

            @Override
            public void addHistogram(String name) {
                log.debug("Ignoring add histogram [%s]", name);
            }

            @Override
            public void removeHistogram(String name) {
                log.debug("Ignoring remove histogram [%s]", name);
            }

            @Override
            public void updateHistogram(String name, int amount) {
                log.debug("Ignoring update histogram [%s]: %d", name, amount);
            }
        };
        final ConnectionFactory connectionFactory = new MemcachedCustomConnectionFactoryBuilder().setKetamaNodeRepetitions(1000).setHashAlg(MURMUR3_128).setProtocol(ConnectionFactoryBuilder.Protocol.valueOf(StringUtils.toUpperCase(config.getProtocol()))).setLocatorType(ConnectionFactoryBuilder.Locator.valueOf(StringUtils.toUpperCase(config.getLocator()))).setDaemon(true).setFailureMode(FailureMode.Cancel).setTranscoder(transcoder).setShouldOptimize(true).setOpQueueMaxBlockTime(config.getTimeout()).setOpTimeout(config.getTimeout()).setReadBufferSize(config.getReadBufferSize()).setOpQueueFactory(opQueueFactory).setMetricCollector(metricCollector).setEnableMetrics(// Not as scary as it sounds
        MetricType.DEBUG).build();
        final List<InetSocketAddress> hosts = AddrUtil.getAddresses(config.getHosts());
        final Supplier<ResourceHolder<MemcachedClientIF>> clientSupplier;
        if (config.getNumConnections() > 1) {
            clientSupplier = new MemcacheClientPool(config.getNumConnections(), new Supplier<MemcachedClientIF>() {

                @Override
                public MemcachedClientIF get() {
                    try {
                        return new MemcachedClient(connectionFactory, hosts);
                    } catch (IOException e) {
                        log.error(e, "Unable to create memcached client");
                        throw new RuntimeException(e);
                    }
                }
            });
        } else {
            clientSupplier = Suppliers.ofInstance(StupidResourceHolder.create(new MemcachedClient(connectionFactory, hosts)));
        }
        return new MemcachedCache(clientSupplier, config, monitor);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}