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Java PoolingOptions类代码示例

本文整理汇总了Java中com.datastax.driver.core.PoolingOptions类的典型用法代码示例。如果您正苦于以下问题：Java PoolingOptions类的具体用法？Java PoolingOptions怎么用？Java PoolingOptions使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


PoolingOptions类属于com.datastax.driver.core包，在下文中一共展示了PoolingOptions类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: connect

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
static Session connect() {
	String contactPoint = "localhost";
	String keySpace = "ks1";
	
	if(session == null) {
		PoolingOptions poolingOptions = new PoolingOptions().setConnectionsPerHost(HostDistance.REMOTE, 1, 4);

		cluster = Cluster.builder().addContactPoint(contactPoint).withPoolingOptions(poolingOptions)
				.withCompression(Compression.SNAPPY).build();
		cluster.init();
		for (Host host : cluster.getMetadata().getAllHosts()) {
			System.out.printf("Address: %s, Rack: %s, Datacenter: %s, Tokens: %s\n", host.getAddress(),
					host.getDatacenter(), host.getRack(), host.getTokens());
		}
		session = cluster.connect(keySpace);
	}
	return session;
}
开发者ID:abulbasar，项目名称:cassandra-java-driver-examples，代码行数:19，代码来源:Connection.java

示例2: buildCluster

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
static Cluster buildCluster(Cassandra3Storage cassandra) {
  Cluster.Builder builder = Cluster.builder();
  List<InetSocketAddress> contactPoints = parseContactPoints(cassandra);
  int defaultPort = findConnectPort(contactPoints);
  builder.addContactPointsWithPorts(contactPoints);
  builder.withPort(defaultPort); // This ends up protocolOptions.port
  if (cassandra.username != null && cassandra.password != null) {
    builder.withCredentials(cassandra.username, cassandra.password);
  }
  builder.withRetryPolicy(ZipkinRetryPolicy.INSTANCE);
  builder.withLoadBalancingPolicy(new TokenAwarePolicy(new LatencyAwarePolicy.Builder(
      cassandra.localDc != null
          ? DCAwareRoundRobinPolicy.builder().withLocalDc(cassandra.localDc).build()
          : new RoundRobinPolicy()
      // This can select remote, but LatencyAwarePolicy will prefer local
  ).build()));
  builder.withPoolingOptions(new PoolingOptions().setMaxConnectionsPerHost(
      HostDistance.LOCAL, cassandra.maxConnections
  ));
  return builder.build();
}
开发者ID:liaominghua，项目名称:zipkin，代码行数:22，代码来源:DefaultSessionFactory.java

示例3: buildCluster

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
static Cluster buildCluster(CassandraStorage cassandra) {
  Cluster.Builder builder = Cluster.builder();
  List<InetSocketAddress> contactPoints = parseContactPoints(cassandra);
  int defaultPort = findConnectPort(contactPoints);
  builder.addContactPointsWithPorts(contactPoints);
  builder.withPort(defaultPort); // This ends up protocolOptions.port
  if (cassandra.username != null && cassandra.password != null) {
    builder.withCredentials(cassandra.username, cassandra.password);
  }
  builder.withRetryPolicy(ZipkinRetryPolicy.INSTANCE);
  builder.withLoadBalancingPolicy(new TokenAwarePolicy(new LatencyAwarePolicy.Builder(
      cassandra.localDc != null
          ? DCAwareRoundRobinPolicy.builder().withLocalDc(cassandra.localDc).build()
          : new RoundRobinPolicy()
      // This can select remote, but LatencyAwarePolicy will prefer local
  ).build()));
  builder.withPoolingOptions(new PoolingOptions().setMaxConnectionsPerHost(
      HostDistance.LOCAL, cassandra.maxConnections
  ));
  return builder.build();
}
开发者ID:liaominghua，项目名称:zipkin，代码行数:22，代码来源:SessionFactory.java

示例4: connectToMultipleAddresses

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private void connectToMultipleAddresses(String address) {
	PoolingOptions poolingOptions =
		new PoolingOptions()
    	.setConnectionsPerHost(HostDistance.LOCAL,  4, 10)
    	.setConnectionsPerHost(HostDistance.REMOTE, 2, 4);
	String[] music_hosts = address.split(",");
	if (cluster == null) {
		logger.debug("Initializing MUSIC Client with endpoints "+address);
		cluster = Cluster.builder()
			.withPort(9042)
			.withPoolingOptions(poolingOptions)
			.withoutMetrics()
			.addContactPoints(music_hosts)
			.build();
		Metadata metadata = cluster.getMetadata();
		logger.debug("Connected to cluster:"+metadata.getClusterName()+" at address:"+address);
	}
	session = cluster.connect();
}
开发者ID:att，项目名称:music，代码行数:20，代码来源:MusicConnector.java

示例5: connectToCassaCluster

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
@SuppressWarnings("unused")
private void connectToCassaCluster(String address) {
	PoolingOptions poolingOptions =
		new PoolingOptions()
    	.setConnectionsPerHost(HostDistance.LOCAL,  4, 10)
    	.setConnectionsPerHost(HostDistance.REMOTE, 2, 4);
	Iterator<String> it = getAllPossibleLocalIps().iterator();
	logger.debug("Iterating through possible ips:"+getAllPossibleLocalIps());
	while (it.hasNext()) {
		try {
			cluster = Cluster.builder()
				.withPort(9042)
				.withPoolingOptions(poolingOptions)
				.withoutMetrics()
				.addContactPoint(address)
				.build();
			//cluster.getConfiguration().getSocketOptions().setReadTimeoutMillis(Integer.MAX_VALUE);
			Metadata metadata = cluster.getMetadata();
			logger.debug("Connected to cluster:"+metadata.getClusterName()+" at address:"+address);
			session = cluster.connect();
			break;
		} catch (NoHostAvailableException e) {
			address = it.next();
		}
	}
}
开发者ID:att，项目名称:music，代码行数:27，代码来源:MusicConnector.java

示例6: overridePoolingOptions

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static void overridePoolingOptions(CassandraFactory cassandraFactory) {
  PoolingOptionsFactory newPoolingOptionsFactory = new PoolingOptionsFactory() {
    @Override
    public PoolingOptions build() {
      if (null == getPoolTimeout()) {
        setPoolTimeout(Duration.minutes(2));
      }
      return super.build().setMaxQueueSize(40960);
    }
  };
  cassandraFactory.getPoolingOptions().ifPresent((originalPoolingOptions) -> {
    newPoolingOptionsFactory.setHeartbeatInterval(originalPoolingOptions.getHeartbeatInterval());
    newPoolingOptionsFactory.setIdleTimeout(originalPoolingOptions.getIdleTimeout());
    newPoolingOptionsFactory.setLocal(originalPoolingOptions.getLocal());
    newPoolingOptionsFactory.setRemote(originalPoolingOptions.getRemote());
    newPoolingOptionsFactory.setPoolTimeout(originalPoolingOptions.getPoolTimeout());
  });
  cassandraFactory.setPoolingOptions(java.util.Optional.of(newPoolingOptionsFactory));
}
开发者ID:thelastpickle，项目名称:cassandra-reaper，代码行数:20，代码来源:CassandraStorage.java

示例7: getReadPoolingOptions

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static PoolingOptions getReadPoolingOptions(Configuration conf)
{
    Optional<Integer> coreConnections = getInputCoreConnections(conf);
    Optional<Integer> maxConnections = getInputMaxConnections(conf);
    Optional<Integer> maxSimultaneousRequests = getInputMaxSimultReqPerConnections(conf);
    Optional<Integer> minSimultaneousRequests = getInputMinSimultReqPerConnections(conf);
    
    PoolingOptions poolingOptions = new PoolingOptions();

    for (HostDistance hostDistance : Arrays.asList(HostDistance.LOCAL, HostDistance.REMOTE))
    {
        if (coreConnections.isPresent())
            poolingOptions.setCoreConnectionsPerHost(hostDistance, coreConnections.get());
        if (maxConnections.isPresent())
            poolingOptions.setMaxConnectionsPerHost(hostDistance, maxConnections.get());
        if (minSimultaneousRequests.isPresent())
            poolingOptions.setMinSimultaneousRequestsPerConnectionThreshold(hostDistance, minSimultaneousRequests.get());
        if (maxSimultaneousRequests.isPresent())
            poolingOptions.setMaxSimultaneousRequestsPerConnectionThreshold(hostDistance, maxSimultaneousRequests.get());
    }

    return poolingOptions;
}
开发者ID:vcostet，项目名称:cassandra-kmean，代码行数:24，代码来源:CqlConfigHelper.java

示例8: setup

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private void setup()
    throws IOException, KeyStoreException, NoSuchAlgorithmException, KeyManagementException,
           CertificateException, UnrecoverableKeyException  {
    // Connect to Cassandra
    PoolingOptions pOpts = new PoolingOptions();
    pOpts.setCoreConnectionsPerHost(HostDistance.LOCAL, 4);
    pOpts.setMaxConnectionsPerHost(HostDistance.LOCAL, 4);
    Cluster.Builder clusterBuilder = Cluster.builder()
        .addContactPoint(host)
        .withPort(port)
        .withPoolingOptions(pOpts)
        .withLoadBalancingPolicy(new TokenAwarePolicy( DCAwareRoundRobinPolicy.builder().build()));
    if (null != username)
        clusterBuilder = clusterBuilder.withCredentials(username, password);
    if (null != truststorePath)
        clusterBuilder = clusterBuilder.withSSL(createSSLOptions());

    cluster = clusterBuilder.build();
    if (null == cluster) {
        throw new IOException("Could not create cluster");
    }
    session = cluster.connect();
}
开发者ID:brianmhess，项目名称:cassandra-loader，代码行数:24，代码来源:CqlDelimUnload.java

示例9: copyPoolingOptions

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private void copyPoolingOptions(Builder builder) {
    PoolingOptions opts = new PoolingOptions();

    opts.setCoreConnectionsPerHost(HostDistance.REMOTE,
            remoteCoreConnectionsPerHost);
    opts.setCoreConnectionsPerHost(HostDistance.LOCAL,
            localCoreConnectionsPerHost);
    opts.setMaxConnectionsPerHost(HostDistance.REMOTE,
            remoteMaxConnectionsPerHost);
    opts.setMaxConnectionsPerHost(HostDistance.LOCAL,
            localMaxConnectionsPerHost);
    opts.setMaxSimultaneousRequestsPerConnectionThreshold(
            HostDistance.REMOTE,
            remoteMaxSimultaneousRequestsPerConnectionThreshold);
    opts.setMaxSimultaneousRequestsPerConnectionThreshold(
            HostDistance.LOCAL,
            localMaxSimultaneousRequestsPerConnectionThreshold);
    opts.setMinSimultaneousRequestsPerConnectionThreshold(
            HostDistance.REMOTE,
            remoteMinSimultaneousRequestsPerConnectionThreshold);
    opts.setMinSimultaneousRequestsPerConnectionThreshold(
            HostDistance.LOCAL,
            localMinSimultaneousRequestsPerConnectionThreshold);

    builder.withPoolingOptions(opts);
}
开发者ID:pulsarIO，项目名称:realtime-analytics，代码行数:27，代码来源:CassandraConfig.java

示例10: getReadPoolingOptions

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static PoolingOptions getReadPoolingOptions(Configuration conf)
{
    Optional<Integer> coreConnections = getInputCoreConnections(conf);
    Optional<Integer> maxConnections = getInputMaxConnections(conf);
    Optional<Integer> maxSimultaneousRequests = getInputMaxSimultReqPerConnections(conf);

    PoolingOptions poolingOptions = new PoolingOptions();

    for (HostDistance hostDistance : Arrays.asList(HostDistance.LOCAL, HostDistance.REMOTE))
    {
        if (coreConnections.isPresent())
            poolingOptions.setCoreConnectionsPerHost(hostDistance, coreConnections.get());
        if (maxConnections.isPresent())
            poolingOptions.setMaxConnectionsPerHost(hostDistance, maxConnections.get());
        if (maxSimultaneousRequests.isPresent())
            poolingOptions.setNewConnectionThreshold(hostDistance, maxSimultaneousRequests.get());
    }

    return poolingOptions;
}
开发者ID:scylladb，项目名称:scylla-tools-java，代码行数:21，代码来源:CqlConfigHelper.java

示例11: build

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
public PoolingOptions build() {
    PoolingOptions poolingOptions = new PoolingOptions();
    if (local != null) {
        setPoolingOptions(poolingOptions, HostDistance.LOCAL, local);
    }
    if (remote != null) {
        setPoolingOptions(poolingOptions, HostDistance.REMOTE, remote);
    }
    if (heartbeatInterval != null) {
        poolingOptions.setHeartbeatIntervalSeconds((int) heartbeatInterval.toSeconds());
    }
    if (poolTimeout != null) {
        poolingOptions.setPoolTimeoutMillis((int) poolTimeout.toMilliseconds());
    }
    if (idleTimeout != null) {
        poolingOptions.setIdleTimeoutSeconds((int) idleTimeout.toSeconds());
    }
    return poolingOptions;
}
开发者ID:composable-systems，项目名称:dropwizard-cassandra，代码行数:20，代码来源:PoolingOptionsFactory.java

示例12: buildsPoolingOptionsWithConfiguredValues

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
@Test
public void buildsPoolingOptionsWithConfiguredValues() throws Exception {
    // given
    final PoolingOptionsFactory factory = new PoolingOptionsFactory();
    factory.setHeartbeatInterval(Duration.minutes(1));
    factory.setPoolTimeout(Duration.seconds(2));
    factory.setLocal(createHostDistanceOptions(1, 3, 5, 25));
    factory.setRemote(createHostDistanceOptions(2, 4, 6, 30));

    // when
    final PoolingOptions poolingOptions = factory.build();

    // then
    assertThat(poolingOptions.getHeartbeatIntervalSeconds()).isEqualTo(60);
    assertThat(poolingOptions.getPoolTimeoutMillis()).isEqualTo(2000);

    assertThat(poolingOptions.getCoreConnectionsPerHost(HostDistance.LOCAL)).isEqualTo(1);
    assertThat(poolingOptions.getMaxConnectionsPerHost(HostDistance.LOCAL)).isEqualTo(3);
    assertThat(poolingOptions.getMaxRequestsPerConnection(HostDistance.LOCAL)).isEqualTo(5);
    assertThat(poolingOptions.getNewConnectionThreshold(HostDistance.LOCAL)).isEqualTo(25);

    assertThat(poolingOptions.getCoreConnectionsPerHost(HostDistance.REMOTE)).isEqualTo(2);
    assertThat(poolingOptions.getMaxConnectionsPerHost(HostDistance.REMOTE)).isEqualTo(4);
    assertThat(poolingOptions.getMaxRequestsPerConnection(HostDistance.REMOTE)).isEqualTo(6);
    assertThat(poolingOptions.getNewConnectionThreshold(HostDistance.REMOTE)).isEqualTo(30);
}
开发者ID:composable-systems，项目名称:dropwizard-cassandra，代码行数:27，代码来源:PoolingOptionsFactoryTest.java

示例13: createCluster

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static Cluster createCluster(CentralConfiguration centralConfig,
        TimestampGenerator defaultTimestampGenerator) {
    Cluster.Builder builder = Cluster.builder()
            .addContactPoints(
                    centralConfig.cassandraContactPoint().toArray(new String[0]))
            // aggressive reconnect policy seems ok since not many clients
            .withReconnectionPolicy(new ConstantReconnectionPolicy(1000))
            // let driver know that only idempotent queries are used so it will retry on timeout
            .withQueryOptions(new QueryOptions()
                    .setDefaultIdempotence(true)
                    .setConsistencyLevel(centralConfig.cassandraConsistencyLevel()))
            // central runs lots of parallel async queries and is very spiky since all
            // aggregates come in right after each minute marker
            .withPoolingOptions(
                    new PoolingOptions().setMaxQueueSize(Session.MAX_CONCURRENT_QUERIES))
            .withTimestampGenerator(defaultTimestampGenerator);
    String cassandraUsername = centralConfig.cassandraUsername();
    if (!cassandraUsername.isEmpty()) {
        // empty password is strange but valid
        builder.withCredentials(cassandraUsername, centralConfig.cassandraPassword());
    }
    return builder.build();
}
开发者ID:glowroot，项目名称:glowroot，代码行数:24，代码来源:CentralModule.java

示例14: getReadPoolingOptions

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static PoolingOptions getReadPoolingOptions(Configuration conf)
{
    Optional<Integer> coreConnections = getInputCoreConnections(conf);
    Optional<Integer> maxConnections = getInputMaxConnections(conf);
    Optional<Integer> maxSimultaneousRequests = getInputMaxSimultReqPerConnections(conf);
    Optional<Integer> minSimultaneousRequests = getInputMinSimultReqPerConnections(conf);
    
    PoolingOptions poolingOptions = new PoolingOptions();

    if (coreConnections.isPresent())
        poolingOptions.setCoreConnectionsPerHost(HostDistance.LOCAL, coreConnections.get());
    if (maxConnections.isPresent())
        poolingOptions.setMaxConnectionsPerHost(HostDistance.LOCAL, maxConnections.get());
    if (maxSimultaneousRequests.isPresent())
        poolingOptions.setMaxSimultaneousRequestsPerConnectionThreshold(HostDistance.LOCAL, maxSimultaneousRequests.get());
    if (minSimultaneousRequests.isPresent())
        poolingOptions.setMinSimultaneousRequestsPerConnectionThreshold(HostDistance.LOCAL, minSimultaneousRequests.get());

    poolingOptions.setCoreConnectionsPerHost(HostDistance.REMOTE, 0)
                  .setMaxConnectionsPerHost(HostDistance.REMOTE, 0)
                  .setMaxSimultaneousRequestsPerConnectionThreshold(HostDistance.REMOTE, 0)
                  .setMinSimultaneousRequestsPerConnectionThreshold(HostDistance.REMOTE, 0);

    return poolingOptions;
}
开发者ID:rajath26，项目名称:cassandra-trunk，代码行数:26，代码来源:CqlConfigHelper.java

示例15: getCluster

import com.datastax.driver.core.PoolingOptions; //导入依赖的package包/类
private static Cluster getCluster(){
	if(cluster==null){
		synchronized (SessionManager.class) {
			if(cluster==null){
				PoolingOptions poolingOptions = new PoolingOptions();
				poolingOptions
				.setMaxRequestsPerConnection(HostDistance.REMOTE, max)
				.setMaxRequestsPerConnection(HostDistance.LOCAL,max)
				.setMaxQueueSize(max*10)
				.setCoreConnectionsPerHost(HostDistance.LOCAL,  1)
				.setMaxConnectionsPerHost( HostDistance.LOCAL, 2)
				.setCoreConnectionsPerHost(HostDistance.REMOTE, 1)
				.setMaxConnectionsPerHost( HostDistance.REMOTE, 2);
				SocketOptions socketOptions = new SocketOptions();
				socketOptions.setConnectTimeoutMillis(60000);
				socketOptions.setReadTimeoutMillis(60000);
				cluster = Cluster.builder().addContactPoint(url).withPoolingOptions(poolingOptions).withSocketOptions(socketOptions).build();
				Metadata metadata = cluster.getMetadata();
				Set<Host> allHosts = metadata.getAllHosts();
				for(Host host:allHosts){
					System.out.println("host:"+host.getAddress());
				}
			}
		}
	}
	return cluster;
}
开发者ID:dbiir，项目名称:ts-benchmark，代码行数:28，代码来源:SessionManager.java


注：本文中的com.datastax.driver.core.PoolingOptions类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。