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

Example 96 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project xian by happyyangyuan.

the class ZkConnection method start.

// 仅供内部测试使用
public static void start(String connectionStr) {
    synchronized (zkConnectionStartStopLock) {
        if (connected.get()) {
            LOG.info("zkConnection已经启动，不再重复启动");
            return;
        }
        try {
            RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
            client = CuratorFrameworkFactory.newClient(connectionStr, retryPolicy);
            client.start();
            LOG.info("阻塞直到与zookeeper连接建立完毕！");
            client.blockUntilConnected();
        } catch (Throwable e) {
            LOG.error(e);
        } finally {
            connected.set(true);
        }
    }
}

Example 97 with ExponentialBackoffRetry

use of org.apache.flink.shaded.curator5.org.apache.curator.retry.ExponentialBackoffRetry in project xian by happyyangyuan.

the class DiscoveryExample method main.

public static void main(String[] args) throws Exception {
    // This method is scaffolding to get the example up and running
    TestingServer server = new TestingServer();
    CuratorFramework client = null;
    ServiceDiscovery<InstanceDetails> serviceDiscovery = null;
    Map<String, ServiceProvider<InstanceDetails>> providers = Maps.newHashMap();
    try {
        client = CuratorFrameworkFactory.newClient(server.getConnectString(), new ExponentialBackoffRetry(1000, 3));
        client.start();
        JsonInstanceSerializer<InstanceDetails> serializer = new JsonInstanceSerializer<InstanceDetails>(InstanceDetails.class);
        serviceDiscovery = ServiceDiscoveryBuilder.builder(InstanceDetails.class).client(client).basePath(PATH).serializer(serializer).build();
        serviceDiscovery.start();
        processCommands(serviceDiscovery, providers, client);
    } finally {
        for (ServiceProvider<InstanceDetails> cache : providers.values()) {
            CloseableUtils.closeQuietly(cache);
        }
        CloseableUtils.closeQuietly(serviceDiscovery);
        CloseableUtils.closeQuietly(client);
        CloseableUtils.closeQuietly(server);
    }
}

Example 98 with ExponentialBackoffRetry

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

the class TestZooKeeperTokenStore method setUp.

@Override
protected void setUp() throws Exception {
    File zkDataDir = new File(System.getProperty("test.tmp.dir"));
    if (this.zkCluster != null) {
        throw new IOException("Cluster already running");
    }
    this.zkCluster = new MiniZooKeeperCluster();
    this.zkPort = this.zkCluster.startup(zkDataDir);
    this.zkClient = CuratorFrameworkFactory.builder().connectString("localhost:" + zkPort).retryPolicy(new ExponentialBackoffRetry(1000, 3)).build();
    this.zkClient.start();
}

Example 99 with ExponentialBackoffRetry

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

the class DynamicBrokersReaderTest method setUp.

@Before
public void setUp() throws Exception {
    server = new TestingServer();
    String connectionString = server.getConnectString();
    Map<String, Object> conf = new HashMap<>();
    conf.put(Config.STORM_ZOOKEEPER_SESSION_TIMEOUT, 1000);
    conf.put(Config.STORM_ZOOKEEPER_CONNECTION_TIMEOUT, 1000);
    conf.put(Config.STORM_ZOOKEEPER_RETRY_TIMES, 4);
    conf.put(Config.STORM_ZOOKEEPER_RETRY_INTERVAL, 5);
    ExponentialBackoffRetry retryPolicy = new ExponentialBackoffRetry(1000, 3);
    zookeeper = CuratorFrameworkFactory.newClient(connectionString, retryPolicy);
    dynamicBrokersReader = new DynamicBrokersReader(conf, connectionString, masterPath, topic);
    Map<String, Object> conf2 = new HashMap<>();
    conf2.putAll(conf);
    conf2.put("kafka.topic.wildcard.match", true);
    wildCardBrokerReader = new DynamicBrokersReader(conf2, connectionString, masterPath, "^test.*$");
    zookeeper.start();
}

Example 100 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(basePath);
    cf.create().creatingParentsIfNeeded().forPath(tasksPath);
}