Java Code Examples for com.datastax.driver.core.Cluster.Builder#withPoolingOptions()
The following examples show how to use
com.datastax.driver.core.Cluster.Builder#withPoolingOptions() .
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Example 1
| Source File: CassandraConfig.java From realtime-analytics with GNU General Public License v2.0 | 6 votes |
|
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);
}
Example 2
| Source File: CassandraConfig.java From micro-integrator with Apache License 2.0 | 5 votes |
|
private Builder populatePoolingSettings(Map<String, String> properties, Builder builder) {
String localCoreConnectionsPerHost = properties.get(DBConstants.Cassandra.LOCAL_CORE_CONNECTIONS_PER_HOST);
String remoteCoreConnectionsPerHost = properties.get(DBConstants.Cassandra.REMOTE_CORE_CONNECTIONS_PER_HOST);
String localMaxConnectionsPerHost = properties.get(DBConstants.Cassandra.LOCAL_MAX_CONNECTIONS_PER_HOST);
String remoteMaxConnectionsPerHost = properties.get(DBConstants.Cassandra.REMOTE_MAX_CONNECTIONS_PER_HOST);
String localNewConnectionThreshold = properties.get(DBConstants.Cassandra.LOCAL_NEW_CONNECTION_THRESHOLD);
String remoteNewConnectionThreshold = properties.get(DBConstants.Cassandra.REMOTE_NEW_CONNECTION_THRESHOLD);
String localMaxRequestsPerConnection = properties.get(DBConstants.Cassandra.LOCAL_MAX_REQUESTS_PER_CONNECTION);
String remoteMaxRequestsPerConnection = properties.get(DBConstants.Cassandra.REMOTE_MAX_REQUESTS_PER_CONNECTION);
PoolingOptions options = new PoolingOptions();
if (localCoreConnectionsPerHost != null) {
options.setCoreConnectionsPerHost(HostDistance.LOCAL, Integer.parseInt(localCoreConnectionsPerHost));
}
if (remoteCoreConnectionsPerHost != null) {
options.setCoreConnectionsPerHost(HostDistance.REMOTE, Integer.parseInt(remoteCoreConnectionsPerHost));
}
if (localMaxConnectionsPerHost != null) {
options.setMaxConnectionsPerHost(HostDistance.LOCAL, Integer.parseInt(localMaxConnectionsPerHost));
}
if (remoteMaxConnectionsPerHost != null) {
options.setMaxConnectionsPerHost(HostDistance.REMOTE, Integer.parseInt(remoteMaxConnectionsPerHost));
}
if (localNewConnectionThreshold != null) {
options.setNewConnectionThreshold(HostDistance.LOCAL, Integer.parseInt(localNewConnectionThreshold));
}
if (remoteNewConnectionThreshold != null) {
options.setNewConnectionThreshold(HostDistance.REMOTE, Integer.parseInt(remoteNewConnectionThreshold));
}
if (localMaxRequestsPerConnection != null) {
options.setMaxRequestsPerConnection(HostDistance.LOCAL, Integer.parseInt(localMaxRequestsPerConnection));
}
if (remoteMaxRequestsPerConnection != null) {
options.setMaxRequestsPerConnection(HostDistance.REMOTE, Integer.parseInt(remoteMaxRequestsPerConnection));
}
builder = builder.withPoolingOptions(options);
return builder;
}
Example 3
| Source File: CassandraFactory.java From database-transform-tool with Apache License 2.0 | 4 votes |
|
/**
* 描述: 初始化配置
* 时间: 2017年11月15日 上午11:25:07
* @author yi.zhang
* @param servers 服务地址
* @param keyspace 命名空间
* @param username 账号
* @param password 密码
*/
public void init(String servers,String keyspace,String username,String password) {
try {
// socket 链接配置
SocketOptions socket = new SocketOptions();
socket.setKeepAlive(true);
socket.setReceiveBufferSize(1024* 1024);
socket.setSendBufferSize(1024* 1024);
socket.setConnectTimeoutMillis(5 * 1000);
socket.setReadTimeoutMillis(1000);
//设置连接池
PoolingOptions pool = new PoolingOptions();
// pool.setMaxRequestsPerConnection(HostDistance.LOCAL, 32);
// pool.setMaxRequestsPerConnection(HostDistance.REMOTE, 32);
// pool.setCoreConnectionsPerHost(HostDistance.LOCAL, 2);
// pool.setCoreConnectionsPerHost(HostDistance.REMOTE, 2);
// pool.setMaxConnectionsPerHost(HostDistance.LOCAL, 4);
// pool.setMaxConnectionsPerHost(HostDistance.REMOTE, 4);
pool.setHeartbeatIntervalSeconds(60);
pool.setIdleTimeoutSeconds(120);
pool.setPoolTimeoutMillis(5 * 1000);
List<InetSocketAddress> saddress = new ArrayList<InetSocketAddress>();
if (servers != null && !"".equals(servers)) {
for (String server : servers.split(",")) {
String[] address = server.split(":");
String ip = address[0];
int port = 9042;
if (address != null && address.length > 1) {
port = Integer.valueOf(address[1]);
}
saddress.add(new InetSocketAddress(ip, port));
}
}
InetSocketAddress[] addresses = new InetSocketAddress[saddress.size()];
saddress.toArray(addresses);
Builder builder = Cluster.builder();
builder.withSocketOptions(socket);
// 设置压缩方式
builder.withCompression(ProtocolOptions.Compression.LZ4);
// 负载策略
// DCAwareRoundRobinPolicy loadBalance = DCAwareRoundRobinPolicy.builder().withLocalDc("localDc").withUsedHostsPerRemoteDc(2).allowRemoteDCsForLocalConsistencyLevel().build();
// builder.withLoadBalancingPolicy(loadBalance);
// 重试策略
builder.withRetryPolicy(DefaultRetryPolicy.INSTANCE);
builder.withPoolingOptions(pool);
builder.addContactPointsWithPorts(addresses);
builder.withCredentials(username, password);
Cluster cluster = builder.build();
if (keyspace != null && !"".equals(keyspace)) {
session = cluster.connect(keyspace);
} else {
session = cluster.connect();
}
mapping = new MappingManager(session);
} catch (Exception e) {
logger.error("-----Cassandra Config init Error-----", e);
}
}
Example 4
| Source File: CassandraClusterCreator.java From spring-cloud-connectors with Apache License 2.0 | 4 votes |
|
@Override
public Cluster create(CassandraServiceInfo serviceInfo,
ServiceConnectorConfig serviceConnectorConfig) {
Builder builder = Cluster.builder()
.addContactPoints(serviceInfo.getContactPoints().toArray(new String[0]))
.withPort(serviceInfo.getPort());
if (StringUtils.hasText(serviceInfo.getUsername())) {
builder.withCredentials(serviceInfo.getUsername(), serviceInfo.getPassword());
}
if (serviceConnectorConfig instanceof CassandraClusterConfig) {
CassandraClusterConfig config = (CassandraClusterConfig) serviceConnectorConfig;
if (config.getCompression() != null) {
builder.withCompression(config.getCompression());
}
builder.withPoolingOptions(config.getPoolingOptions());
builder.withSocketOptions(config.getSocketOptions());
builder.withQueryOptions(config.getQueryOptions());
builder.withNettyOptions(config.getNettyOptions());
builder.withLoadBalancingPolicy(config.getLoadBalancingPolicy());
builder.withReconnectionPolicy(config.getReconnectionPolicy());
builder.withRetryPolicy(config.getRetryPolicy());
if (config.getProtocolVersion() != null) {
builder.withProtocolVersion(config.getProtocolVersion());
}
if (!config.isMetricsEnabled()) {
builder.withoutMetrics();
}
if (!config.isJmxReportingEnabled()) {
builder.withoutJMXReporting();
}
}
return builder.build();
}
