Examples with ByteArray voldemort.utils.ByteArray used on opensource projects

Example 16 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class MysqlStorageEngine method getAll.

@Override
public Map<ByteArray, List<Versioned<byte[]>>> getAll(Iterable<ByteArray> keys, Map<ByteArray, byte[]> transforms) throws VoldemortException {
    StoreUtils.assertValidKeys(keys);
    Connection conn = null;
    PreparedStatement stmt = null;
    ResultSet rs = null;
    String select = "select version_, value_ from " + getName() + " where key_ = ?";
    try {
        conn = datasource.getConnection();
        stmt = conn.prepareStatement(select);
        Map<ByteArray, List<Versioned<byte[]>>> result = StoreUtils.newEmptyHashMap(keys);
        for (ByteArray key : keys) {
            stmt.setBytes(1, key.get());
            rs = stmt.executeQuery();
            List<Versioned<byte[]>> found = Lists.newArrayList();
            while (rs.next()) {
                byte[] version = rs.getBytes("version_");
                byte[] value = rs.getBytes("value_");
                found.add(new Versioned<byte[]>(value, new VectorClock(version)));
            }
            if (found.size() > 0)
                result.put(key, found);
        }
        return result;
    } catch (SQLException e) {
        throw new PersistenceFailureException("Fix me!", e);
    } finally {
        tryClose(rs);
        tryClose(stmt);
        tryClose(conn);
    }
}

Example 17 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class QuotaUtils method setQuota.

public static void setQuota(String storeName, QuotaType type, StoreRepository repository, Set<Integer> nodeIds, long lquota) {
    FileBackedCachingStorageEngine quotaStore = getQuotaStore(repository);
    String quotaKey = makeQuotaKey(storeName, QuotaType.STORAGE_SPACE);
    ByteArray keyArray = convertToByteArray(quotaKey);
    List<Versioned<byte[]>> existingValue = quotaStore.get(keyArray, null);
    String quotaValue = Long.toString(lquota);
    ByteArray valueArray = convertToByteArray(quotaValue);
    VectorClock newClock = VectorClockUtils.makeClockWithCurrentTime(nodeIds);
    Versioned<byte[]> newValue = new Versioned<byte[]>(valueArray.get(), newClock);
    quotaStore.put(keyArray, newValue, null);
}

Example 18 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class InvalidMetadataCheckingStore method getAll.

@Override
public Map<ByteArray, List<Versioned<byte[]>>> getAll(Iterable<ByteArray> keys, Map<ByteArray, byte[]> transforms) throws VoldemortException {
    StoreUtils.assertValidKeys(keys);
    StoreUtils.assertValidNode(metadata, nodeId);
    RoutingStrategy routingStrategy = metadata.getRoutingStrategy(getName());
    Node node = metadata.getCluster().getNodeById(nodeId);
    for (ByteArray key : keys) StoreUtils.assertValidMetadata(key, routingStrategy, node);
    return getInnerStore().getAll(keys, transforms);
}

Example 19 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class ReadOnlyStorageEngine method getAll.

@Override
public Map<ByteArray, List<Versioned<byte[]>>> getAll(Iterable<ByteArray> keys, Map<ByteArray, byte[]> transforms) throws VoldemortException {
    checkStoreEnabled();
    StoreUtils.assertValidKeys(keys);
    Map<ByteArray, List<Versioned<byte[]>>> results = StoreUtils.newEmptyHashMap(keys);
    try {
        fileModificationLock.readLock().lock();
        List<KeyValueLocation> keysAndValueLocations = Lists.newArrayList();
        for (ByteArray key : keys) {
            try {
                int chunk = fileSet.getChunkForKey(key.get());
                if (chunk < 0) {
                    // should never happen, but just in case
                    throw new IllegalStateException("Invalid chunk id returned: " + chunk);
                }
                int valueLocation = searchStrategy.indexOf(fileSet.indexFileFor(chunk), fileSet.keyToStorageFormat(key.get()), fileSet.getIndexFileSize(chunk));
                if (valueLocation >= 0)
                    keysAndValueLocations.add(new KeyValueLocation(chunk, key, valueLocation));
            } catch (IllegalStateException e) {
                logger.warn("ChunkedFileSet.getChunkForKey() did not execute successfully for store '" + getName() + "'. Skipping key in getAll: " + ByteUtils.toHexString(key.get()), e);
                continue;
            }
        }
        Collections.sort(keysAndValueLocations);
        for (KeyValueLocation keyVal : keysAndValueLocations) {
            byte[] value = fileSet.readValue(keyVal.getKey().get(), keyVal.getChunk(), keyVal.getValueLocation());
            if (value.length > 0)
                results.put(keyVal.getKey(), Collections.singletonList(Versioned.value(value)));
        }
        return results;
    } finally {
        fileModificationLock.readLock().unlock();
    }
}

Example 20 with ByteArray

use of voldemort.utils.ByteArray in project voldemort by voldemort.

the class RoutedStoreParallelismTest method main.

public static void main(String[] args) throws Throwable {
    OptionParser parser = new OptionParser();
    parser.accepts("num-keys", "The number of keys to submit for retrieval  Default = " + DEFAULT_NUM_KEYS).withRequiredArg().ofType(Integer.class);
    parser.accepts("max-connections", "The maximum number of connections (sockets) per node; same value as client configuration parameter \"" + ClientConfig.MAX_CONNECTIONS_PER_NODE_PROPERTY + "\"  Default = " + DEFAULT_MAX_CONNECTIONS).withRequiredArg().ofType(Integer.class);
    parser.accepts("max-threads", "The maximum number of threads used by the threaded RoutedStore implementation; same value as client configuration parameter \"" + ClientConfig.MAX_THREADS_PROPERTY + "\"  Default = " + DEFAULT_MAX_THREADS).withRequiredArg().ofType(Integer.class);
    parser.accepts("num-nodes", "The number of nodes  Default = " + DEFAULT_NUM_NODES).withRequiredArg().ofType(Integer.class);
    parser.accepts("num-slow-nodes", "The number of nodes that exhibit delay Default = " + DEFAULT_NUM_SLOW_NODES).withRequiredArg().ofType(Integer.class);
    parser.accepts("delay", "The millisecond delay shown by slow nodes Default = " + DEFAULT_DELAY).withRequiredArg().ofType(Integer.class);
    parser.accepts("num-clients", "The number of threads to make requests concurrently  Default = " + DEFAULT_NUM_CLIENTS).withRequiredArg().ofType(Integer.class);
    parser.accepts("routed-store-type", "Type of routed store, either \"" + THREAD_POOL_ROUTED_STORE + "\" or \"" + PIPELINE_ROUTED_STORE + "\"  Default = " + DEFAULT_ROUTED_STORE_TYPE).withRequiredArg();
    parser.accepts("help", "This help");
    OptionSet options = parser.parse(args);
    if (options.has("help")) {
        printUsage(System.out, parser);
    }
    final int numKeys = CmdUtils.valueOf(options, "num-keys", DEFAULT_NUM_KEYS);
    int maxConnectionsPerNode = CmdUtils.valueOf(options, "max-connections", DEFAULT_MAX_CONNECTIONS);
    int maxThreads = CmdUtils.valueOf(options, "max-threads", DEFAULT_MAX_THREADS);
    int numNodes = CmdUtils.valueOf(options, "num-nodes", DEFAULT_NUM_NODES);
    int numSlowNodes = CmdUtils.valueOf(options, "num-slow-nodes", DEFAULT_NUM_SLOW_NODES);
    int delay = CmdUtils.valueOf(options, "delay", DEFAULT_DELAY);
    int numClients = CmdUtils.valueOf(options, "num-clients", DEFAULT_NUM_CLIENTS);
    System.err.println("num-keys : " + numKeys);
    System.err.println("max-connections : " + maxConnectionsPerNode);
    System.err.println("max-threads : " + maxThreads);
    System.err.println("num-nodes : " + numNodes);
    System.err.println("num-slow-nodes : " + numSlowNodes);
    System.err.println("delay : " + delay);
    System.err.println("num-clients : " + numClients);
    ClientConfig clientConfig = new ClientConfig().setMaxConnectionsPerNode(maxConnectionsPerNode).setMaxThreads(maxThreads);
    String storeDefinitionFile = "test/common/voldemort/config/single-store.xml";
    StoreDefinition storeDefinition = new StoreDefinitionsMapper().readStoreList(new File(storeDefinitionFile)).get(0);
    SocketStoreFactory socketStoreFactory = new ClientRequestExecutorPool(clientConfig.getSelectors(), clientConfig.getMaxConnectionsPerNode(), clientConfig.getConnectionTimeout(TimeUnit.MILLISECONDS), clientConfig.getSocketTimeout(TimeUnit.MILLISECONDS), clientConfig.getSocketBufferSize(), clientConfig.getSocketKeepAlive());
    VoldemortServer[] servers = new VoldemortServer[numNodes];
    int[][] partitionMap = new int[numNodes][1];
    for (int i = 0; i < numNodes; i++) {
        partitionMap[i][0] = i;
    }
    Cluster cluster = ServerTestUtils.startVoldemortCluster(numNodes, servers, partitionMap, socketStoreFactory, true, null, storeDefinitionFile, new Properties());
    Map<Integer, VoldemortServer> serverMap = new HashMap<Integer, VoldemortServer>();
    for (int i = 0; i < cluster.getNumberOfNodes(); i++) {
        serverMap.put(i, servers[i]);
        Store<ByteArray, byte[], byte[]> store = new InMemoryStorageEngine<ByteArray, byte[], byte[]>("test-sleepy");
        if (i < numSlowNodes)
            store = new SleepyStore<ByteArray, byte[], byte[]>(delay, store);
        StoreRepository storeRepository = servers[i].getStoreRepository();
        storeRepository.addLocalStore(store);
    }
    Map<Integer, Store<ByteArray, byte[], byte[]>> stores = new HashMap<Integer, Store<ByteArray, byte[], byte[]>>();
    for (Node node : cluster.getNodes()) {
        Store<ByteArray, byte[], byte[]> socketStore = ServerTestUtils.getSocketStore(socketStoreFactory, "test-sleepy", node.getSocketPort(), clientConfig.getRequestFormatType());
        stores.put(node.getId(), socketStore);
    }
    FailureDetectorConfig failureDetectorConfig = new FailureDetectorConfig().setImplementationClassName(BannagePeriodFailureDetector.class.getName()).setCluster(cluster).setConnectionVerifier(MutableStoreConnectionVerifier.create(stores));
    FailureDetector failureDetector = FailureDetectorUtils.create(failureDetectorConfig, false);
    ExecutorService routedStoreThreadPool = Executors.newFixedThreadPool(clientConfig.getMaxThreads());
    RoutedStoreFactory routedStoreFactory = new RoutedStoreFactory(routedStoreThreadPool);
    RoutedStoreConfig routedStoreConfig = new RoutedStoreConfig(clientConfig);
    final RoutedStore routedStore = routedStoreFactory.create(cluster, storeDefinition, stores, failureDetector, routedStoreConfig);
    ExecutorService runner = Executors.newFixedThreadPool(numClients);
    long start = System.nanoTime();
    try {
        for (int i = 0; i < numClients; i++) {
            runner.submit(new Runnable() {

                public void run() {
                    for (int i = 0; i < numKeys; i++) {
                        ByteArray key = new ByteArray(("test-key-" + i).getBytes());
                        try {
                            routedStore.get(key, null);
                        } catch (VoldemortException e) {
                        //
                        }
                    }
                }
            });
        }
        runner.shutdown();
        runner.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
        long time = (System.nanoTime() - start) / Time.NS_PER_MS;
        System.err.println("Time: " + time + " ms.");
    } finally {
        runner.shutdown();
    }
    if (failureDetector != null)
        failureDetector.destroy();
    for (VoldemortServer server : serverMap.values()) server.stop();
    if (routedStoreThreadPool != null)
        routedStoreThreadPool.shutdown();
    System.exit(0);
}