Examples with HazelcastDiscoveryServiceFactory org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory used on opensource projects

Example 1 with HazelcastDiscoveryServiceFactory

use of org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory in project neo4j by neo4j.

the class ServerGroupsIT method shouldUpdateGroupsOnStart.

@Test
public void shouldUpdateGroupsOnStart() throws Exception {
    AtomicReference<String> suffix = new AtomicReference<>("before");
    List<List<String>> expected;
    Map<String, IntFunction<String>> instanceCoreParams = new HashMap<>();
    instanceCoreParams.put(CausalClusteringSettings.server_groups.name(), (id) -> String.join(", ", makeCoreGroups(suffix.get(), id)));
    Map<String, IntFunction<String>> instanceReplicaParams = new HashMap<>();
    instanceReplicaParams.put(CausalClusteringSettings.server_groups.name(), (id) -> String.join(", ", makeReplicaGroups(suffix.get(), id)));
    int nServers = 3;
    cluster = new Cluster(testDir.directory("cluster"), nServers, nServers, new HazelcastDiscoveryServiceFactory(), emptyMap(), instanceCoreParams, emptyMap(), instanceReplicaParams, Standard.LATEST_NAME);
    // when
    cluster.start();
    // then
    expected = new ArrayList<>();
    for (CoreClusterMember core : cluster.coreMembers()) {
        expected.add(makeCoreGroups(suffix.get(), core.serverId()));
        expected.add(makeReplicaGroups(suffix.get(), core.serverId()));
    }
    for (CoreClusterMember core : cluster.coreMembers()) {
        assertEventually(core + " should have groups", () -> getServerGroups(core.database()), new GroupsMatcher(expected), 30, SECONDS);
    }
    // when
    expected.remove(makeCoreGroups(suffix.get(), 1));
    expected.remove(makeReplicaGroups(suffix.get(), 2));
    cluster.getCoreMemberById(1).shutdown();
    cluster.getReadReplicaById(2).shutdown();
    // should update groups of restarted servers
    suffix.set("after");
    cluster.addCoreMemberWithId(1).start();
    cluster.addReadReplicaWithId(2).start();
    expected.add(makeCoreGroups(suffix.get(), 1));
    expected.add(makeReplicaGroups(suffix.get(), 2));
    // then
    for (CoreClusterMember core : cluster.coreMembers()) {
        assertEventually(core + " should have groups", () -> getServerGroups(core.database()), new GroupsMatcher(expected), 30, SECONDS);
    }
}

Example 2 with HazelcastDiscoveryServiceFactory

use of org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory in project neo4j by neo4j.

the class ServerPoliciesLoadBalancingIT method defaultBehaviour.

@Test
public void defaultBehaviour() throws Exception {
    cluster = new Cluster(testDir.directory("cluster"), 3, 3, new HazelcastDiscoveryServiceFactory(), emptyMap(), emptyMap(), emptyMap(), emptyMap(), Standard.LATEST_NAME);
    cluster.start();
    assertGetServersEventuallyMatchesOnAllCores(new CountsMatcher(3, 1, 2, 3));
}

Example 3 with HazelcastDiscoveryServiceFactory

use of org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory in project neo4j by neo4j.

the class ConnectionInfoIT method hzTest.

@Test
public void hzTest() throws Throwable {
    // given
    testSocket = bindPort("0.0.0.0", 4243);
    //when
    AssertableLogProvider logProvider = new AssertableLogProvider();
    AssertableLogProvider userLogProvider = new AssertableLogProvider();
    HazelcastDiscoveryServiceFactory hzFactory = new HazelcastDiscoveryServiceFactory();
    Config config = embeddedDefaults(stringMap(discovery_listen_address.name(), ":" + testSocket.getLocalPort(), CausalClusteringSettings.initial_discovery_members.name(), "localhost:" + testSocket.getLocalPort(), new BoltConnector("bolt").enabled.name(), "true", new HttpConnector("http").enabled.name(), "true"));
    Neo4jJobScheduler jobScheduler = new Neo4jJobScheduler();
    jobScheduler.init();
    CoreTopologyService coreTopologyService = hzFactory.coreTopologyService(config, new MemberId(UUID.randomUUID()), jobScheduler, logProvider, userLogProvider);
    try {
        coreTopologyService.init();
        coreTopologyService.start();
    }//then
     catch (Throwable throwable) {
    //expected
    }
    logProvider.assertContainsMessageContaining("Hazelcast was unable to start with setting");
    userLogProvider.assertContainsMessageContaining("Hazelcast was unable to start with setting");
}

Example 4 with HazelcastDiscoveryServiceFactory

use of org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory in project neo4j by neo4j.

the class BackupStoreCopyInteractionStressTesting method shouldBehaveCorrectlyUnderStress.

@Test
public void shouldBehaveCorrectlyUnderStress() throws Exception {
    int numberOfCores = parseInt(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_NUMBER_OF_CORES", DEFAULT_NUMBER_OF_CORES));
    int numberOfEdges = parseInt(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_NUMBER_OF_EDGES", DEFAULT_NUMBER_OF_EDGES));
    long durationInMinutes = parseLong(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_DURATION", DEFAULT_DURATION_IN_MINUTES));
    String workingDirectory = fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_WORKING_DIRECTORY", DEFAULT_WORKING_DIR);
    int baseCoreBackupPort = parseInt(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_BASE_CORE_BACKUP_PORT", DEFAULT_BASE_CORE_BACKUP_PORT));
    int baseEdgeBackupPort = parseInt(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_BASE_EDGE_BACKUP_PORT", DEFAULT_BASE_EDGE_BACKUP_PORT));
    boolean enableIndexes = parseBoolean(fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_ENABLE_INDEXES", DEFAULT_ENABLE_INDEXES));
    String txPrune = fromEnv("BACKUP_STORE_COPY_INTERACTION_STRESS_TX_PRUNE", DEFAULT_TX_PRUNE);
    File clusterDirectory = ensureExistsAndEmpty(new File(workingDirectory, "cluster"));
    File backupDirectory = ensureExistsAndEmpty(new File(workingDirectory, "backups"));
    BiFunction<Boolean, Integer, SocketAddress> backupAddress = (isCore, id) -> new AdvertisedSocketAddress("localhost", (isCore ? baseCoreBackupPort : baseEdgeBackupPort) + id);
    Map<String, String> coreParams = enableRaftMessageLogging(configureRaftLogRotationAndPruning(configureTxLogRotationAndPruning(new HashMap<>(), txPrune)));
    Map<String, String> readReplicaParams = configureTxLogRotationAndPruning(new HashMap<>(), txPrune);
    Map<String, IntFunction<String>> instanceCoreParams = configureBackup(new HashMap<>(), id -> backupAddress.apply(true, id));
    Map<String, IntFunction<String>> instanceReadReplicaParams = configureBackup(new HashMap<>(), id -> backupAddress.apply(false, id));
    HazelcastDiscoveryServiceFactory discoveryServiceFactory = new HazelcastDiscoveryServiceFactory();
    Cluster cluster = new Cluster(clusterDirectory, numberOfCores, numberOfEdges, discoveryServiceFactory, coreParams, instanceCoreParams, readReplicaParams, instanceReadReplicaParams, Standard.LATEST_NAME);
    AtomicBoolean stopTheWorld = new AtomicBoolean();
    BooleanSupplier notExpired = untilTimeExpired(durationInMinutes, MINUTES);
    BooleanSupplier keepGoing = () -> !stopTheWorld.get() && notExpired.getAsBoolean();
    Runnable onFailure = () -> stopTheWorld.set(true);
    ExecutorService service = Executors.newFixedThreadPool(3);
    try {
        cluster.start();
        if (enableIndexes) {
            Workload.setupIndexes(cluster);
        }
        Future<Throwable> workload = service.submit(new Workload(keepGoing, onFailure, cluster));
        Future<Throwable> startStopWorker = service.submit(new StartStopLoad(fs, pageCache, keepGoing, onFailure, cluster, numberOfCores, numberOfEdges));
        Future<Throwable> backupWorker = service.submit(new BackupLoad(keepGoing, onFailure, cluster, numberOfCores, numberOfEdges, backupDirectory, backupAddress));
        long timeout = durationInMinutes + 5;
        assertNull(Exceptions.stringify(workload.get()), workload.get(timeout, MINUTES));
        assertNull(Exceptions.stringify(startStopWorker.get()), startStopWorker.get(timeout, MINUTES));
        assertNull(Exceptions.stringify(backupWorker.get()), backupWorker.get(timeout, MINUTES));
    } finally {
        cluster.shutdown();
        service.shutdown();
    }
    // let's cleanup disk space when everything went well
    FileUtils.deleteRecursively(clusterDirectory);
    FileUtils.deleteRecursively(backupDirectory);
}

Example 5 with HazelcastDiscoveryServiceFactory

use of org.neo4j.causalclustering.discovery.HazelcastDiscoveryServiceFactory in project neo4j by neo4j.

the class CatchupStoreCopyInteractionStressTesting method shouldBehaveCorrectlyUnderStress.

@Test
public void shouldBehaveCorrectlyUnderStress() throws Exception {
    int numberOfCores = parseInt(fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_NUMBER_OF_CORES", DEFAULT_NUMBER_OF_CORES));
    int numberOfEdges = parseInt(fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_NUMBER_OF_EDGES", DEFAULT_NUMBER_OF_EDGES));
    long durationInMinutes = parseLong(fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_DURATION", DEFAULT_DURATION_IN_MINUTES));
    String workingDirectory = fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_WORKING_DIRECTORY", DEFAULT_WORKING_DIR);
    boolean enableIndexes = parseBoolean(fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_ENABLE_INDEXES", DEFAULT_ENABLE_INDEXES));
    String txPrune = fromEnv("CATCHUP_STORE_COPY_INTERACTION_STRESS_TX_PRUNE", DEFAULT_TX_PRUNE);
    File clusterDirectory = ensureExistsAndEmpty(new File(workingDirectory, "cluster"));
    Map<String, String> coreParams = enableRaftMessageLogging(configureRaftLogRotationAndPruning(configureTxLogRotationAndPruning(new HashMap<>(), txPrune)));
    Map<String, String> edgeParams = configureTxLogRotationAndPruning(new HashMap<>(), txPrune);
    HazelcastDiscoveryServiceFactory discoveryServiceFactory = new HazelcastDiscoveryServiceFactory();
    Cluster cluster = new Cluster(clusterDirectory, numberOfCores, numberOfEdges, discoveryServiceFactory, coreParams, emptyMap(), edgeParams, emptyMap(), Standard.LATEST_NAME);
    AtomicBoolean stopTheWorld = new AtomicBoolean();
    BooleanSupplier notExpired = untilTimeExpired(durationInMinutes, MINUTES);
    BooleanSupplier keepGoing = () -> !stopTheWorld.get() && notExpired.getAsBoolean();
    Runnable onFailure = () -> stopTheWorld.set(true);
    ExecutorService service = Executors.newCachedThreadPool();
    try {
        cluster.start();
        if (enableIndexes) {
            Workload.setupIndexes(cluster);
        }
        Future<Throwable> workload = service.submit(new Workload(keepGoing, onFailure, cluster));
        Future<Throwable> startStopWorker = service.submit(new StartStopLoad(fs, pageCache, keepGoing, onFailure, cluster, numberOfCores, numberOfEdges));
        Future<Throwable> catchUpWorker = service.submit(new CatchUpLoad(keepGoing, onFailure, cluster));
        long timeout = durationInMinutes + 5;
        assertNull(Exceptions.stringify(workload.get()), workload.get(timeout, MINUTES));
        assertNull(Exceptions.stringify(startStopWorker.get()), startStopWorker.get(timeout, MINUTES));
        assertNull(Exceptions.stringify(catchUpWorker.get()), catchUpWorker.get(timeout, MINUTES));
    } finally {
        cluster.shutdown();
        service.shutdown();
    }
    // let's cleanup disk space when everything went well
    FileUtils.deleteRecursively(clusterDirectory);
}