Examples with EpollEventLoopGroup org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup used on opensource projects

Example 21 with EpollEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup in project netty by netty.

the class BurstCostExecutorsBenchmark method setup.

@Setup
public void setup() {
    ExecutorType type = ExecutorType.valueOf(executorType);
    switch(type) {
        case spinning:
            // The case with 3 producers can have a peak of 3*burstLength offers:
            // 4 is to leave some room between the offers and 1024 is to leave some room
            // between producer/consumer when work is > 0 and 1 producer.
            // If work = 0 then the task queue is supposed to be near empty most of the time.
            executor = new SpinExecutorService(Math.min(1024, burstLength * 4));
            executorToShutdown = executor;
            break;
        case defaultEventExecutor:
            executor = new DefaultEventExecutor();
            executorToShutdown = executor;
            break;
        case juc:
            executor = Executors.newSingleThreadScheduledExecutor();
            executorToShutdown = executor;
            break;
        case nioEventLoop:
            NioEventLoopGroup nioEventLoopGroup = new NioEventLoopGroup(1);
            nioEventLoopGroup.setIoRatio(1);
            executor = nioEventLoopGroup.next();
            executorToShutdown = nioEventLoopGroup;
            break;
        case epollEventLoop:
            Epoll.ensureAvailability();
            EpollEventLoopGroup epollEventLoopGroup = new EpollEventLoopGroup(1);
            epollEventLoopGroup.setIoRatio(1);
            executor = epollEventLoopGroup.next();
            executorToShutdown = epollEventLoopGroup;
            break;
        case kqueueEventLoop:
            KQueue.ensureAvailability();
            KQueueEventLoopGroup kQueueEventLoopGroup = new KQueueEventLoopGroup(1);
            kQueueEventLoopGroup.setIoRatio(1);
            executor = kQueueEventLoopGroup.next();
            executorToShutdown = kQueueEventLoopGroup;
            break;
    }
}

Example 22 with EpollEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup in project grpc-java by grpc.

the class Utils method configureNetty.

private static NettyChannelBuilder configureNetty(NettyChannelBuilder builder, Transport transport, int flowControlWindow) {
    builder.flowControlWindow(flowControlWindow);
    DefaultThreadFactory tf = new DefaultThreadFactory("client-elg-", true);
    switch(transport) {
        case NETTY_NIO:
            builder.eventLoopGroup(new NioEventLoopGroup(0, tf)).channelType(NioSocketChannel.class);
            break;
        case NETTY_EPOLL:
            // These classes only work on Linux.
            builder.eventLoopGroup(new EpollEventLoopGroup(0, tf)).channelType(EpollSocketChannel.class);
            break;
        case NETTY_UNIX_DOMAIN_SOCKET:
            // These classes only work on Linux.
            builder.eventLoopGroup(new EpollEventLoopGroup(0, tf)).channelType(EpollDomainSocketChannel.class);
            break;
        default:
            // Should never get here.
            throw new IllegalArgumentException("Unsupported transport: " + transport);
    }
    return builder;
}

Example 23 with EpollEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup in project vert.x by eclipse.

the class EpollTransport method eventLoopGroup.

@Override
public EventLoopGroup eventLoopGroup(int type, int nThreads, ThreadFactory threadFactory, int ioRatio) {
    EpollEventLoopGroup eventLoopGroup = new EpollEventLoopGroup(nThreads, threadFactory);
    eventLoopGroup.setIoRatio(ioRatio);
    return eventLoopGroup;
}

Example 24 with EpollEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup in project crate by crate.

the class NettyBootstrap method newEventLoopGroup.

public static EventLoopGroup newEventLoopGroup(Settings settings) {
    ThreadFactory workerThreads = daemonThreadFactory(settings, WORKER_THREAD_PREFIX);
    int workerCount = Netty4Transport.WORKER_COUNT.get(settings);
    if (Epoll.isAvailable()) {
        return new EpollEventLoopGroup(workerCount, workerThreads);
    } else {
        return new NioEventLoopGroup(workerCount, workerThreads);
    }
}

Example 25 with EpollEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.epoll.EpollEventLoopGroup in project pravega by pravega.

the class ConnectionFactoryImplTest method setUp.

@Before
public void setUp() throws Exception {
    // Configure SSL.
    port = TestUtils.getAvailableListenPort();
    if (ssl) {
        try {
            sslCtx = SslContextBuilder.forServer(new File(SecurityConfigDefaults.TLS_SERVER_CERT_PATH), new File(SecurityConfigDefaults.TLS_SERVER_PRIVATE_KEY_PATH)).build();
        } catch (SSLException e) {
            throw new RuntimeException(e);
        }
    } else {
        sslCtx = null;
    }
    boolean nio = false;
    try {
        bossGroup = new EpollEventLoopGroup(1);
        workerGroup = new EpollEventLoopGroup();
    } catch (ExceptionInInitializerError | UnsatisfiedLinkError | NoClassDefFoundError e) {
        nio = true;
        bossGroup = new NioEventLoopGroup(1);
        workerGroup = new NioEventLoopGroup();
    }
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(nio ? NioServerSocketChannel.class : EpollServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            if (sslCtx != null) {
                SslHandler handler = sslCtx.newHandler(ch.alloc());
                SSLEngine sslEngine = handler.engine();
                SSLParameters sslParameters = sslEngine.getSSLParameters();
                sslParameters.setEndpointIdentificationAlgorithm("LDAPS");
                sslEngine.setSSLParameters(sslParameters);
                p.addLast(handler);
            }
        }
    });
    // Start the server.
    serverChannel = b.bind("localhost", port).awaitUninterruptibly().channel();
}