Examples with NIOServerCnxnFactory org.apache.zookeeper.server.NIOServerCnxnFactory used on opensource projects

Example 51 with NIOServerCnxnFactory

use of org.apache.zookeeper.server.NIOServerCnxnFactory in project rest.li by linkedin.

the class ZKServer method restart.

public void restart() throws IOException, InterruptedException {
    shutdown(false);
    _zk = new ZooKeeperServer(_dataDir, _logDir, 5000);
    _factory = new NIOServerCnxnFactory();
    _factory.configure(new InetSocketAddress(_port), 60);
    startup();
}

Example 52 with NIOServerCnxnFactory

use of org.apache.zookeeper.server.NIOServerCnxnFactory in project drill by apache.

the class MiniZooKeeperCluster method shutdown.

/**
 * @throws IOException
 */
public void shutdown() throws IOException {
    if (!started) {
        return;
    }
    // shut down all the zk servers
    for (int i = 0; i < standaloneServerFactoryList.size(); i++) {
        NIOServerCnxnFactory standaloneServerFactory = standaloneServerFactoryList.get(i);
        int clientPort = clientPortList.get(i);
        standaloneServerFactory.shutdown();
        if (!waitForServerDown(clientPort, CONNECTION_TIMEOUT)) {
            throw new IOException("Waiting for shutdown of standalone server");
        }
    }
    // clear everything
    started = false;
    activeZKServerIndex = 0;
    standaloneServerFactoryList.clear();
    clientPortList.clear();
    zooKeeperServers.clear();
    logger.info("Shutdown MiniZK cluster with all ZK servers");
}

Example 53 with NIOServerCnxnFactory

use of org.apache.zookeeper.server.NIOServerCnxnFactory in project hbase by apache.

the class MiniZooKeeperCluster method killCurrentActiveZooKeeperServer.

/**
 * @return clientPort return clientPort if there is another ZK backup can run
 *         when killing the current active; return -1, if there is no backups.
 * @throws IOException if waiting for the shutdown of a server fails
 */
public int killCurrentActiveZooKeeperServer() throws IOException, InterruptedException {
    if (!started || activeZKServerIndex < 0) {
        return -1;
    }
    // Shutdown the current active one
    NIOServerCnxnFactory standaloneServerFactory = standaloneServerFactoryList.get(activeZKServerIndex);
    int clientPort = clientPortList.get(activeZKServerIndex);
    standaloneServerFactory.shutdown();
    if (!waitForServerDown(clientPort, connectionTimeout)) {
        throw new IOException("Waiting for shutdown of standalone server");
    }
    zooKeeperServers.get(activeZKServerIndex).getZKDatabase().close();
    // remove the current active zk server
    standaloneServerFactoryList.remove(activeZKServerIndex);
    clientPortList.remove(activeZKServerIndex);
    zooKeeperServers.remove(activeZKServerIndex);
    LOG.info("Kill the current active ZK servers in the cluster on client port: {}", clientPort);
    if (standaloneServerFactoryList.isEmpty()) {
        // there is no backup servers;
        return -1;
    }
    clientPort = clientPortList.get(activeZKServerIndex);
    LOG.info("Activate a backup zk server in the cluster on client port: {}", clientPort);
    // return the next back zk server's port
    return clientPort;
}

Example 54 with NIOServerCnxnFactory

use of org.apache.zookeeper.server.NIOServerCnxnFactory in project hbase by apache.

the class MiniZooKeeperCluster method shutdown.

/**
 * @throws IOException if waiting for the shutdown of a server fails
 */
public void shutdown() throws IOException {
    // shut down all the zk servers
    for (int i = 0; i < standaloneServerFactoryList.size(); i++) {
        NIOServerCnxnFactory standaloneServerFactory = standaloneServerFactoryList.get(i);
        int clientPort = clientPortList.get(i);
        standaloneServerFactory.shutdown();
        if (!waitForServerDown(clientPort, connectionTimeout)) {
            throw new IOException("Waiting for shutdown of standalone server at port=" + clientPort + ", timeout=" + this.connectionTimeout);
        }
    }
    standaloneServerFactoryList.clear();
    for (ZooKeeperServer zkServer : zooKeeperServers) {
        // Explicitly close ZKDatabase since ZookeeperServer does not close them
        zkServer.getZKDatabase().close();
    }
    zooKeeperServers.clear();
    // clear everything
    if (started) {
        started = false;
        activeZKServerIndex = 0;
        clientPortList.clear();
        LOG.info("Shutdown MiniZK cluster with all ZK servers");
    }
}

Example 55 with NIOServerCnxnFactory

use of org.apache.zookeeper.server.NIOServerCnxnFactory in project hbase by apache.

the class MiniZooKeeperCluster method killOneBackupZooKeeperServer.

/**
 * Kill one back up ZK servers.
 *
 * @throws IOException if waiting for the shutdown of a server fails
 */
public void killOneBackupZooKeeperServer() throws IOException, InterruptedException {
    if (!started || activeZKServerIndex < 0 || standaloneServerFactoryList.size() <= 1) {
        return;
    }
    int backupZKServerIndex = activeZKServerIndex + 1;
    // Shutdown the current active one
    NIOServerCnxnFactory standaloneServerFactory = standaloneServerFactoryList.get(backupZKServerIndex);
    int clientPort = clientPortList.get(backupZKServerIndex);
    standaloneServerFactory.shutdown();
    if (!waitForServerDown(clientPort, connectionTimeout)) {
        throw new IOException("Waiting for shutdown of standalone server");
    }
    zooKeeperServers.get(backupZKServerIndex).getZKDatabase().close();
    // remove this backup zk server
    standaloneServerFactoryList.remove(backupZKServerIndex);
    clientPortList.remove(backupZKServerIndex);
    zooKeeperServers.remove(backupZKServerIndex);
    LOG.info("Kill one backup ZK servers in the cluster on client port: {}", clientPort);
}