Examples with VectorClock voldemort.versioning.VectorClock used on opensource projects

Example 96 with VectorClock

use of voldemort.versioning.VectorClock in project voldemort by voldemort.

the class RedirectingStoreTest method makeSuperClock.

private VectorClock makeSuperClock(long time) {
    List<ClockEntry> clockEntries = new ArrayList<ClockEntry>();
    clockEntries.add(new ClockEntry((short) 0, time));
    clockEntries.add(new ClockEntry((short) 1, time));
    clockEntries.add(new ClockEntry((short) 2, time));
    return new VectorClock(clockEntries, time);
}

Example 97 with VectorClock

use of voldemort.versioning.VectorClock in project voldemort by voldemort.

the class FileBackedCachingStorageEngineTest method testConcurrentWriteFailure.

@Test
public void testConcurrentWriteFailure() {
    ByteArray key = getKey();
    Store<ByteArray, byte[], byte[]> store = getStore();
    VectorClock c1 = getClock(1, 1);
    VectorClock c2 = getClock(1, 2);
    byte[] value = getValue();
    // put two conflicting versions, then delete one
    Versioned<byte[]> v1 = new Versioned<byte[]>(value, c1);
    Versioned<byte[]> v2 = new Versioned<byte[]>(value, c2);
    store.put(key, v1, null);
    try {
        store.put(key, v2, null);
        fail("Concurrent write succeeded in FileBackedCachingStorageEngine. Should not be allowed.");
    } catch (VoldemortException ve) {
    // This is OK
    }
}

Example 98 with VectorClock

use of voldemort.versioning.VectorClock in project voldemort by voldemort.

the class ServerSideRoutingTest method checkServerSideRouting.

private void checkServerSideRouting(VoldemortServer server0, VoldemortServer server1) {
    // create bunch of key-value pairs
    HashMap<ByteArray, byte[]> entryMap = ServerTestUtils.createRandomKeyValuePairs(TEST_VALUES_SIZE);
    // populate all entries in server1
    Store<ByteArray, byte[], byte[]> store = server1.getStoreRepository().getRoutedStore(testStoreName);
    for (Entry<ByteArray, byte[]> entry : entryMap.entrySet()) {
        store.put(entry.getKey(), Versioned.value(entry.getValue(), new VectorClock().incremented(0, System.currentTimeMillis())), null);
    }
    // try fetching them from server0
    store = server0.getStoreRepository().getLocalStore(testStoreName);
    RoutingStrategy routing = server0.getMetadataStore().getRoutingStrategy(testStoreName);
    for (Entry<ByteArray, byte[]> entry : entryMap.entrySet()) {
        List<Node> nodes = routing.routeRequest(entry.getKey().get());
        if (hasNode(nodes, 0)) {
            assertTrue("ServerSideRouting should return keys from other nodes.", ByteUtils.compare(entry.getValue(), store.get(entry.getKey(), null).get(0).getValue()) == 0);
        }
    }
}

Example 99 with VectorClock

use of voldemort.versioning.VectorClock in project voldemort by voldemort.

the class RedirectingStoreTest method testProxyGetDuringPut.

@Test
public void testProxyGetDuringPut() {
    final RedirectingStore storeNode2 = getRedirectingStore(2, servers[2].getMetadataStore(), "test");
    final RedirectingStore storeNode0 = getRedirectingStore(0, servers[0].getMetadataStore(), "test");
    // Check primary
    for (final Entry<ByteArray, byte[]> entry : primaryEntriesMoved.entrySet()) {
        try {
            // should see obsoleteVersionException for same vectorClock
            storeNode2.put(entry.getKey(), Versioned.value(entry.getValue(), new VectorClock().incremented(0, System.currentTimeMillis())), null);
            fail("Should see obsoleteVersionException here.");
        } catch (ObsoleteVersionException e) {
        // ignore
        }
        try {
            // should see obsoleteVersionException for same vectorClock
            storeNode0.put(entry.getKey(), Versioned.value(entry.getValue(), new VectorClock().incremented(0, System.currentTimeMillis())), null);
            fail("Should see obsoleteVersionException here.");
        } catch (ObsoleteVersionException e) {
        // ignore
        } catch (InvalidMetadataException e) {
        }
    }
}

Example 100 with VectorClock

use of voldemort.versioning.VectorClock in project voldemort by voldemort.

the class AbstractZoneAffinityTest method setup.

@Before
public void setup() throws IOException {
    byte[] v1_bytes = { (byte) 'V', (byte) '1' };
    byte[] v2_bytes = { (byte) 'V', (byte) '2' };
    byte[] k1_bytes = { (byte) 'K', (byte) '1' };
    byte[] k2_bytes = { (byte) 'K', (byte) '2' };
    byte[] k3_bytes = { (byte) 'K', (byte) '3' };
    clientConfig = new ClientConfig();
    clientConfig.setBootstrapUrls(cluster.getNodes().iterator().next().getSocketUrl().toString());
    clientConfig.setClientZoneId(clientZoneId);
    setupZoneAffinitySettings();
    SocketStoreClientFactory socketStoreClientFactory = new SocketStoreClientFactory(clientConfig);
    for (Integer nodeId : cluster.getNodeIds()) {
        SocketStoreFactory socketStoreFactory = new ClientRequestExecutorPool(2, 10000, 100000, 1024);
        VoldemortConfig config = ServerTestUtils.createServerConfigWithDefs(true, nodeId, TestUtils.createTempDir().getAbsolutePath(), cluster, stores, new Properties());
        VoldemortServer vs = ServerTestUtils.startVoldemortServer(socketStoreFactory, config, cluster);
        vservers.put(nodeId, vs);
        socketStoreFactories.put(nodeId, socketStoreFactory);
        Store<ByteArray, byte[], byte[]> store = vs.getStoreRepository().getLocalStore(storeDef.getName());
        Node node = cluster.getNodeById(nodeId);
        VectorClock version1 = new VectorClock();
        version1.incrementVersion(0, System.currentTimeMillis());
        VectorClock version2 = version1.incremented(0, System.currentTimeMillis());
        if (node.getZoneId() == clientZoneId) {
            // local zone
            store.put(new ByteArray(k1_bytes), new Versioned<byte[]>(v1_bytes, version1), null);
            store.put(new ByteArray(k2_bytes), new Versioned<byte[]>(v1_bytes, version1), null);
        } else {
            // remote zone
            store.put(new ByteArray(k1_bytes), new Versioned<byte[]>(v2_bytes, version2), null);
            store.put(new ByteArray(k2_bytes), new Versioned<byte[]>(v1_bytes, version1), null);
            store.put(new ByteArray(k3_bytes), new Versioned<byte[]>(v1_bytes, version1), null);
        }
    }
    client = socketStoreClientFactory.getRawStore(storeDef.getName(), null);
}