Examples with ExponentialBackoffRetry org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry used on opensource projects

Example 66 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project alluxio by Alluxio.

the class ZkMasterInquireClientTest method testMultipleLeaders.

@Test
public void testMultipleLeaders() throws Exception {
    // Create zk inquire client.
    MasterInquireClient zkInquirer = ZkMasterInquireClient.getClient(mZkServer.getConnectString(), ELECTION_PATH, LEADER_PATH, INQUIRE_RETRY_COUNT, ZOOKEEPER_AUTH_ENABLED);
    // Create curator client for manipulating the leader path.
    CuratorFramework client = CuratorFrameworkFactory.newClient(mZkServer.getConnectString(), new ExponentialBackoffRetry(Constants.SECOND_MS, INQUIRE_RETRY_COUNT));
    // Create the leader path with multiple participants.
    InetSocketAddress localLeader1 = InetSocketAddress.createUnresolved(LOOPBACK_IP, 12345);
    InetSocketAddress localLeader2 = InetSocketAddress.createUnresolved(LOOPBACK_IP, 54321);
    client.start();
    client.create().forPath(LEADER_PATH);
    client.create().forPath(PathUtils.concatPath(LEADER_PATH, localLeader1));
    client.create().forPath(PathUtils.concatPath(LEADER_PATH, localLeader2));
    client.close();
    // Verify that the latest written value is fetched.
    Assert.assertEquals(localLeader2, zkInquirer.getPrimaryRpcAddress());
}

Example 67 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project alluxio by Alluxio.

the class ZkMasterInquireClientTest method testSingleLeader.

@Test
public void testSingleLeader() throws Exception {
    // Create zk inquire client.
    MasterInquireClient zkInquirer = ZkMasterInquireClient.getClient(mZkServer.getConnectString(), ELECTION_PATH, LEADER_PATH, INQUIRE_RETRY_COUNT, ZOOKEEPER_AUTH_ENABLED);
    // Create curator client for manipulating the leader path.
    CuratorFramework client = CuratorFrameworkFactory.newClient(mZkServer.getConnectString(), new ExponentialBackoffRetry(Constants.SECOND_MS, INQUIRE_RETRY_COUNT));
    // Create the leader path with single(localhost) participant.
    InetSocketAddress localLeader = InetSocketAddress.createUnresolved(LOOPBACK_IP, 12345);
    client.start();
    client.create().forPath(LEADER_PATH);
    client.create().forPath(PathUtils.concatPath(LEADER_PATH, localLeader));
    client.close();
    // Verify that leader is fetched.
    Assert.assertEquals(localLeader, zkInquirer.getPrimaryRpcAddress());
}

Example 68 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project druid by druid-io.

the class BatchServerInventoryViewTest method setUp.

@Before
public void setUp() throws Exception {
    testingCluster = new TestingCluster(1);
    testingCluster.start();
    cf = CuratorFrameworkFactory.builder().connectString(testingCluster.getConnectString()).retryPolicy(new ExponentialBackoffRetry(1, 10)).compressionProvider(new PotentiallyGzippedCompressionProvider(true)).build();
    cf.start();
    cf.blockUntilConnected();
    cf.create().creatingParentsIfNeeded().forPath(TEST_BASE_PATH);
    jsonMapper = TestHelper.makeJsonMapper();
    announcer = new Announcer(cf, Execs.directExecutor());
    announcer.start();
    DruidServerMetadata serverMetadata = new DruidServerMetadata("id", "host", null, Long.MAX_VALUE, ServerType.HISTORICAL, "tier", 0);
    ZkPathsConfig zkPathsConfig = new ZkPathsConfig() {

        @Override
        public String getBase() {
            return TEST_BASE_PATH;
        }
    };
    serverAnnouncer = new CuratorDataSegmentServerAnnouncer(serverMetadata, zkPathsConfig, announcer, jsonMapper);
    serverAnnouncer.announce();
    segmentAnnouncer = new BatchDataSegmentAnnouncer(serverMetadata, new BatchDataSegmentAnnouncerConfig() {

        @Override
        public int getSegmentsPerNode() {
            return 50;
        }
    }, zkPathsConfig, announcer, jsonMapper);
    testSegments = Sets.newConcurrentHashSet();
    for (int i = 0; i < INITIAL_SEGMENTS; i++) {
        testSegments.add(makeSegment(i));
    }
    batchServerInventoryView = new BatchServerInventoryView(new ZkPathsConfig() {

        @Override
        public String getBase() {
            return TEST_BASE_PATH;
        }
    }, cf, jsonMapper, Predicates.alwaysTrue(), "test");
    batchServerInventoryView.start();
    inventoryUpdateCounter.set(0);
    filteredBatchServerInventoryView = new BatchServerInventoryView(new ZkPathsConfig() {

        @Override
        public String getBase() {
            return TEST_BASE_PATH;
        }
    }, cf, jsonMapper, new Predicate<Pair<DruidServerMetadata, DataSegment>>() {

        @Override
        public boolean apply(@Nullable Pair<DruidServerMetadata, DataSegment> input) {
            return input.rhs.getInterval().getStart().isBefore(SEGMENT_INTERVAL_START.plusDays(INITIAL_SEGMENTS));
        }
    }, "test") {

        @Override
        protected DruidServer addInnerInventory(DruidServer container, String inventoryKey, Set<DataSegment> inventory) {
            DruidServer server = super.addInnerInventory(container, inventoryKey, inventory);
            inventoryUpdateCounter.incrementAndGet();
            return server;
        }
    };
    filteredBatchServerInventoryView.start();
}

Example 69 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project druid by druid-io.

the class RemoteTaskRunnerTestUtils method setUp.

void setUp() throws Exception {
    testingCluster = new TestingCluster(1);
    testingCluster.start();
    cf = CuratorFrameworkFactory.builder().connectString(testingCluster.getConnectString()).retryPolicy(new ExponentialBackoffRetry(1, 10)).compressionProvider(new PotentiallyGzippedCompressionProvider(false)).build();
    cf.start();
    cf.blockUntilConnected();
    cf.create().creatingParentsIfNeeded().forPath(BASE_PATH);
    cf.create().creatingParentsIfNeeded().forPath(TASKS_PATH);
}

Example 70 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project druid by druid-io.

the class WorkerResourceTest method setUp.

@Before
public void setUp() throws Exception {
    testingCluster = new TestingCluster(1);
    testingCluster.start();
    cf = CuratorFrameworkFactory.builder().connectString(testingCluster.getConnectString()).retryPolicy(new ExponentialBackoffRetry(1, 10)).compressionProvider(new PotentiallyGzippedCompressionProvider(false)).build();
    cf.start();
    cf.blockUntilConnected();
    cf.create().creatingParentsIfNeeded().forPath(BASE_PATH);
    worker = new Worker("http", "host", "ip", 3, "v1", WorkerConfig.DEFAULT_CATEGORY);
    curatorCoordinator = new WorkerCuratorCoordinator(JSON_MAPPER, new IndexerZkConfig(new ZkPathsConfig() {

        @Override
        public String getBase() {
            return BASE_PATH;
        }
    }, null, null, null, null), new RemoteTaskRunnerConfig(), cf, worker);
    curatorCoordinator.start();
    workerResource = new WorkerResource(worker, () -> curatorCoordinator, null, EasyMock.createNiceMock(WorkerTaskMonitor.class), ZkEnablementConfig.ENABLED);
}