Examples with Cluster voldemort.cluster.Cluster used on opensource projects

Example 11 with Cluster

use of voldemort.cluster.Cluster in project voldemort by voldemort.

the class RequestFileFilter method main.

/**
     * Filter requests specified in a file, generating a new file containing
     * only requests destined for a specific node.
     * 
     * @param args See usage for more information
     * @throws Exception In case of I/O or Voldemort-specific errors
     */
public static void main(String[] args) throws Exception {
    OptionParser parser = new OptionParser();
    parser.accepts("help", "print usage information");
    parser.accepts("node", "[REQUIRED] node id").withRequiredArg().ofType(Integer.class).describedAs("node id");
    parser.accepts("store-name", "[REQUIRED] store name").withRequiredArg().describedAs("store name");
    parser.accepts("url", "[REQUIRED] bootstrap URL").withRequiredArg().describedAs("bootstrap-url");
    parser.accepts("input", "[REQUIRED] input request file").withRequiredArg().describedAs("input-file");
    parser.accepts("output", "[REQUIRED] output file").withRequiredArg().describedAs("output-file");
    parser.accepts("string-keys");
    OptionSet options = parser.parse(args);
    if (options.has("help")) {
        parser.printHelpOn(System.out);
        System.exit(0);
    }
    Set<String> missing = CmdUtils.missing(options, "node", "store-name", "url", "input", "output");
    if (missing.size() > 0) {
        System.err.println("Missing required arguments: " + Joiner.on(", ").join(missing));
        parser.printHelpOn(System.err);
        System.exit(1);
    }
    int nodeId = (Integer) options.valueOf("node");
    String storeName = (String) options.valueOf("store-name");
    String bootstrapURL = (String) options.valueOf("url");
    String inputFile = (String) options.valueOf("input");
    String outputFile = (String) options.valueOf("output");
    boolean stringKeys = options.has("string-keys");
    AdminClient adminClient = new AdminClient(bootstrapURL);
    List<StoreDefinition> storeDefinitionList = adminClient.metadataMgmtOps.getRemoteStoreDefList(nodeId).getValue();
    StoreDefinition storeDefinition = null;
    for (StoreDefinition def : storeDefinitionList) {
        if (storeName.equals(def.getName())) {
            storeDefinition = def;
        }
    }
    if (storeDefinition == null) {
        Utils.croak("No store found with name\"" + storeName + "\"");
    }
    Cluster cluster = adminClient.metadataMgmtOps.getRemoteCluster(nodeId).getValue();
    Node node = null;
    try {
        node = cluster.getNodeById(nodeId);
    } catch (VoldemortException e) {
        Utils.croak("Can't find a node with id " + nodeId);
    }
    RoutingStrategy routingStrategy = new RoutingStrategyFactory().updateRoutingStrategy(storeDefinition, cluster);
    try {
        new RequestFileFilter(storeDefinition, routingStrategy, inputFile, outputFile, node, stringKeys).filter();
    } catch (FileNotFoundException e) {
        Utils.croak(e.getMessage());
    }
}

Example 12 with Cluster

use of voldemort.cluster.Cluster 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);
}

Example 13 with Cluster

use of voldemort.cluster.Cluster in project voldemort by voldemort.

the class ReadOnlyStorePerformanceTest method main.

public static void main(String[] args) throws FileNotFoundException, IOException {
    OptionParser parser = new OptionParser();
    parser.accepts("help", "print usage information");
    parser.accepts("threads", "number of threads").withRequiredArg().ofType(Integer.class);
    parser.accepts("requests", "[REQUIRED] number of requests").withRequiredArg().ofType(Integer.class);
    parser.accepts("store-dir", "[REQUIRED] store directory").withRequiredArg().describedAs("directory");
    parser.accepts("cluster-xml", "Path to cluster.xml").withRequiredArg().describedAs("path");
    parser.accepts("node-id", "Id of node").withRequiredArg().ofType(Integer.class).describedAs("node-id");
    parser.accepts("search-strategy", "class of the search strategy to use").withRequiredArg().describedAs("class_name");
    parser.accepts("build", "If present, first build the data");
    parser.accepts("num-values", "The number of values in the store").withRequiredArg().describedAs("count").ofType(Integer.class);
    parser.accepts("num-chunks", "The number of chunks per partition").withRequiredArg().describedAs("chunks").ofType(Integer.class);
    parser.accepts("internal-sort-size", "The number of items to sort in memory at a time").withRequiredArg().describedAs("size").ofType(Integer.class);
    parser.accepts("value-size", "The size of the values in the store").withRequiredArg().describedAs("size").ofType(Integer.class);
    parser.accepts("working-dir", "The directory in which to store temporary data").withRequiredArg().describedAs("dir");
    parser.accepts("gzip", "Compress the intermediate temp files used in building the store");
    parser.accepts("request-file", "file get request ids from").withRequiredArg();
    parser.accepts("version", "Version of read-only store [" + ReadOnlyStorageFormat.READONLY_V0 + "," + ReadOnlyStorageFormat.READONLY_V1 + "," + ReadOnlyStorageFormat.READONLY_V2 + " (default)]").withRequiredArg().describedAs("version");
    parser.accepts("test-gz", "Path to gzip containing data. Works with --build only").withRequiredArg().describedAs("path");
    OptionSet options = parser.parse(args);
    if (options.has("help")) {
        parser.printHelpOn(System.out);
        System.exit(0);
    }
    CmdUtils.croakIfMissing(parser, options, "requests", "store-dir");
    final int numThreads = CmdUtils.valueOf(options, "threads", 10);
    final int numRequests = (Integer) options.valueOf("requests");
    final int internalSortSize = CmdUtils.valueOf(options, "internal-sort-size", 500000);
    int numValues = numRequests;
    final String inputFile = (String) options.valueOf("request-file");
    final String searcherClass = CmdUtils.valueOf(options, "search-strategy", BinarySearchStrategy.class.getName()).trim();
    final boolean gzipIntermediate = options.has("gzip");
    final SearchStrategy searcher = (SearchStrategy) ReflectUtils.callConstructor(ReflectUtils.loadClass(searcherClass));
    final File workingDir = new File(CmdUtils.valueOf(options, "working-dir", System.getProperty("java.io.tmpdir")));
    String storeDir = (String) options.valueOf("store-dir");
    ReadOnlyStorageFormat format = ReadOnlyStorageFormat.fromCode(CmdUtils.valueOf(options, "version", ReadOnlyStorageFormat.READONLY_V2.toString()));
    Cluster cluster = null;
    int nodeId = 0;
    SerializerDefinition sdef = new SerializerDefinition("json", "'string'");
    StoreDefinition storeDef = new StoreDefinitionBuilder().setName("test").setKeySerializer(sdef).setValueSerializer(sdef).setRequiredReads(1).setReplicationFactor(1).setRequiredWrites(1).setType("read-only").setRoutingStrategyType(RoutingStrategyType.CONSISTENT_STRATEGY).setRoutingPolicy(RoutingTier.CLIENT).build();
    if (options.has("build")) {
        CmdUtils.croakIfMissing(parser, options, "num-values", "value-size");
        numValues = (Integer) options.valueOf("num-values");
        int numChunks = 1;
        if (options.has("num-chunks"))
            numChunks = (Integer) options.valueOf("num-chunks");
        int valueSize = (Integer) options.valueOf("value-size");
        // generate test data
        File temp = null;
        if (options.has("test-gz")) {
            temp = new File((String) options.valueOf("test-gz"));
        } else {
            temp = File.createTempFile("json-data", ".txt.gz", workingDir);
            temp.deleteOnExit();
            System.out.println("Generating test data in " + temp);
            OutputStream outputStream = new GZIPOutputStream(new FileOutputStream(temp));
            Writer writer = new BufferedWriter(new OutputStreamWriter(outputStream), 10 * 1024 * 1024);
            String value = TestUtils.randomLetters(valueSize);
            for (int i = 0; i < numValues; i++) {
                writer.write("\"");
                writer.write(Integer.toString(i));
                writer.write("\" \"");
                writer.write(value);
                writer.write("\"");
                writer.write("\n");
            }
            writer.close();
            writer = null;
        }
        System.out.println("Building store.");
        InputStream inputStream = new GZIPInputStream(new FileInputStream(temp));
        Reader r = new BufferedReader(new InputStreamReader(inputStream), 1 * 1024 * 1024);
        File output = TestUtils.createTempDir(workingDir);
        File tempDir = TestUtils.createTempDir(workingDir);
        cluster = ServerTestUtils.getLocalCluster(1);
        nodeId = 0;
        JsonStoreBuilder builder = new JsonStoreBuilder(new JsonReader(r), cluster, storeDef, new ConsistentRoutingStrategy(cluster, 1), output, tempDir, internalSortSize, 2, numChunks, 64 * 1024, gzipIntermediate);
        builder.build(format);
        // copy to store dir
        File dir = new File(storeDir);
        Utils.rm(dir);
        dir.mkdirs();
        System.out.println("Moving store data from " + output + " to " + dir);
        boolean copyWorked = new File(output, "node-0").renameTo(new File(dir, "version-0"));
        if (!copyWorked)
            Utils.croak("Copy of data from " + output + " to " + dir + " failed.");
    } else {
        CmdUtils.croakIfMissing(parser, options, "cluster-xml", "node-id");
        String clusterXmlPath = (String) options.valueOf("cluster-xml");
        nodeId = (Integer) options.valueOf("node-id");
        File clusterXml = new File(clusterXmlPath);
        if (!clusterXml.exists()) {
            Utils.croak("Cluster.xml does not exist");
        }
        cluster = new ClusterMapper().readCluster(clusterXml);
    }
    final Store<ByteArray, byte[], byte[]> store = new ReadOnlyStorageEngine("test", searcher, new RoutingStrategyFactory().updateRoutingStrategy(storeDef, cluster), nodeId, new File(storeDir), 0);
    final AtomicInteger obsoletes = new AtomicInteger(0);
    final AtomicInteger nullResults = new AtomicInteger(0);
    final AtomicInteger totalResults = new AtomicInteger(0);
    final BlockingQueue<String> requestIds = new ArrayBlockingQueue<String>(20000);
    final Executor executor = Executors.newFixedThreadPool(1);
    // if they have given us a file make a request generator that reads from
    // it, otherwise just generate random values
    final int numVals = numValues;
    Runnable requestGenerator;
    if (inputFile == null) {
        requestGenerator = new Runnable() {

            public void run() {
                System.out.println("Generating random requests.");
                Random random = new Random();
                try {
                    while (true) requestIds.put(Integer.toString(random.nextInt(numRequests) % numVals));
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        };
    } else {
        requestGenerator = new Runnable() {

            public void run() {
                try {
                    System.out.println("Using request file to generate requests.");
                    BufferedReader reader = new BufferedReader(new FileReader(inputFile), 1000000);
                    while (true) {
                        String line = reader.readLine();
                        if (line == null)
                            return;
                        requestIds.put(line.trim());
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        };
    }
    executor.execute(requestGenerator);
    final Serializer<Object> keySerializer = new JsonTypeSerializer(JsonTypeDefinition.fromJson("'string'"), true);
    final AtomicInteger current = new AtomicInteger();
    final int progressIncrement = numRequests / 5;
    PerformanceTest readWriteTest = new PerformanceTest() {

        @Override
        public void doOperation(int index) throws Exception {
            try {
                totalResults.incrementAndGet();
                int curr = current.getAndIncrement();
                List<Versioned<byte[]>> results = store.get(new ByteArray(keySerializer.toBytes(requestIds.take())), null);
                if (curr % progressIncrement == 0)
                    System.out.println(curr);
                if (results.size() == 0)
                    nullResults.incrementAndGet();
            } catch (ObsoleteVersionException e) {
                obsoletes.incrementAndGet();
            }
        }
    };
    System.out.println("Running test...");
    readWriteTest.run(numRequests, numThreads);
    System.out.println("Random Access Read Only store Results:");
    System.out.println("Null reads ratio:" + (nullResults.doubleValue()) / totalResults.doubleValue());
    readWriteTest.printStats();
    System.exit(0);
}

Example 14 with Cluster

use of voldemort.cluster.Cluster in project voldemort by voldemort.

the class AdminServiceBasicTest method testUpdateClusterMetadata.

@Test
public void testUpdateClusterMetadata() {
    Cluster updatedCluster = ServerTestUtils.getLocalCluster(4);
    AdminClient client = getAdminClient();
    for (int i = 0; i < NUM_RUNS; i++) {
        VectorClock existingClock = ((VectorClock) client.metadataMgmtOps.getRemoteCluster(0).getVersion());
        VectorClock clock = existingClock.incremented(0, System.currentTimeMillis());
        client.metadataMgmtOps.updateRemoteCluster(0, updatedCluster, clock);
        assertEquals("Cluster should match", updatedCluster, getVoldemortServer(0).getMetadataStore().getCluster());
        assertEquals("AdminClient.getMetdata() should match", client.metadataMgmtOps.getRemoteCluster(0).getValue(), updatedCluster);
        // version should match
        assertEquals("versions should match as well.", clock, client.metadataMgmtOps.getRemoteCluster(0).getVersion());
    }
}

Example 15 with Cluster

use of voldemort.cluster.Cluster in project voldemort by voldemort.

the class AdminServiceBasicTest method testReplicationMappingWithZonePreference.

@Test
public void testReplicationMappingWithZonePreference() {
    List<Zone> zones = ServerTestUtils.getZones(2);
    List<Node> nodes = Lists.newArrayList();
    nodes.add(new Node(0, "localhost", 1, 2, 3, 0, Lists.newArrayList(0, 4, 8)));
    nodes.add(new Node(1, "localhost", 1, 2, 3, 0, Lists.newArrayList(1, 5, 9)));
    nodes.add(new Node(2, "localhost", 1, 2, 3, 1, Lists.newArrayList(2, 6, 10)));
    nodes.add(new Node(3, "localhost", 1, 2, 3, 1, Lists.newArrayList(3, 7, 11)));
    // Test 0 - With rep-factor 1; zone 1
    StoreDefinition storeDef = ServerTestUtils.getStoreDef("consistent", 1, 1, 1, 1, 1, RoutingStrategyType.CONSISTENT_STRATEGY);
    Cluster newCluster = new Cluster("single_zone_cluster", nodes, zones);
    try {
        adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 1);
        fail("Should have thrown an exception since rep-factor = 1");
    } catch (VoldemortException e) {
    }
    // With rep-factor 1; zone 0
    storeDef = ServerTestUtils.getStoreDef("consistent", 1, 1, 1, 1, 1, RoutingStrategyType.CONSISTENT_STRATEGY);
    newCluster = new Cluster("single_zone_cluster", nodes, zones);
    try {
        adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 0);
        fail("Should have thrown an exception since rep-factor = 1");
    } catch (VoldemortException e) {
    }
    // Test 1 - With consistent routing strategy
    storeDef = ServerTestUtils.getStoreDef("consistent", 4, 1, 1, 1, 1, RoutingStrategyType.CONSISTENT_STRATEGY);
    // On node 0; zone id 1
    Map<Integer, List<Integer>> replicationMapping = adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 1);
    {
        HashMap<Integer, List<Integer>> expectedMapping = Maps.newHashMap();
        expectedMapping.put(2, Lists.newArrayList(0, 4, 8, 1, 5, 9, 2, 6, 10));
        expectedMapping.put(3, Lists.newArrayList(3, 7, 11));
        assertEquals(expectedMapping, replicationMapping);
    }
    // On node 0; zone id 0
    replicationMapping = adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 0);
    {
        HashMap<Integer, List<Integer>> expectedMapping = Maps.newHashMap();
        // partitionTuple.put(1, Lists.newArrayList(0, 4, 8));
        // partitionTuple.put(2, Lists.newArrayList(3, 7, 11));
        // partitionTuple.put(3, Lists.newArrayList(2, 6, 10));
        expectedMapping.put(1, Lists.newArrayList(0, 4, 8, 1, 5, 9, 2, 6, 10, 3, 7, 11));
        assertEquals(expectedMapping, replicationMapping);
    }
    // Test 2 - With zone routing strategy, and zone replication factor 1
    HashMap<Integer, Integer> zoneReplicationFactors = Maps.newHashMap();
    for (int zoneIds = 0; zoneIds < 2; zoneIds++) {
        zoneReplicationFactors.put(zoneIds, 1);
    }
    storeDef = ServerTestUtils.getStoreDef("zone", 2, 1, 1, 1, 0, 0, zoneReplicationFactors, HintedHandoffStrategyType.PROXIMITY_STRATEGY, RoutingStrategyType.ZONE_STRATEGY);
    newCluster = new Cluster("multi_zone_cluster", nodes, zones);
    {
        try {
            replicationMapping = adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 0);
            fail("Should have thrown an exception since  zoneReplicationFactor is 1");
        } catch (VoldemortException e) {
        }
    }
    {
        // On node 0, zone 1
        replicationMapping = adminClient.replicaOps.getReplicationMapping(0, newCluster, storeDef, 1);
        HashMap<Integer, List<Integer>> expectedMapping = Maps.newHashMap();
        expectedMapping.put(2, Lists.newArrayList(0, 4, 8, 2, 6, 10));
        expectedMapping.put(3, Lists.newArrayList(3, 7, 11));
        assertEquals(expectedMapping, replicationMapping);
    }
    {
        // On node 1, zone 1
        replicationMapping = adminClient.replicaOps.getReplicationMapping(1, newCluster, storeDef, 1);
        HashMap<Integer, List<Integer>> expectedMapping = Maps.newHashMap();
        expectedMapping.put(2, Lists.newArrayList(1, 5, 9));
        assertEquals(expectedMapping, replicationMapping);
    }
}