Java QueuedThreadPool.setMinThreads方法代碼示例

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
public JettyHttpServer(URL url, final HttpHandler handler){
    super(url, handler);
    DispatcherServlet.addHttpHandler(url.getPort(), handler);
    
    int threads = url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS);
    QueuedThreadPool threadPool = new QueuedThreadPool();
    threadPool.setDaemon(true);
    threadPool.setMaxThreads(threads);
    threadPool.setMinThreads(threads);

    SelectChannelConnector connector = new SelectChannelConnector();
    if (! url.isAnyHost() && NetUtils.isValidLocalHost(url.getHost())) {
        connector.setHost(url.getHost());
    }
    connector.setPort(url.getPort());

    server = new Server();
    server.setThreadPool(threadPool);
    server.addConnector(connector);
    
    ServletHandler servletHandler = new ServletHandler();
    ServletHolder servletHolder = servletHandler.addServletWithMapping(DispatcherServlet.class, "/*");
    servletHolder.setInitOrder(2);
    
    server.addHandler(servletHandler);
    
    try {
        server.start();
    } catch (Exception e) {
        throw new IllegalStateException("Failed to start jetty server on " + url.getAddress() + ", cause: "
                                        + e.getMessage(), e);
    }
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
public JettyHttpServer(URL url, final HttpHandler handler) {
    super(url, handler);
    DispatcherServlet.addHttpHandler(url.getParameter(Constants.BIND_PORT_KEY, url.getPort()), handler);

    int threads = url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS);
    QueuedThreadPool threadPool = new QueuedThreadPool();
    threadPool.setDaemon(true);
    threadPool.setMaxThreads(threads);
    threadPool.setMinThreads(threads);

    SelectChannelConnector connector = new SelectChannelConnector();

    String bindIp = url.getParameter(Constants.BIND_IP_KEY, url.getHost());
    if (!url.isAnyHost() && NetUtils.isValidLocalHost(bindIp)) {
        connector.setHost(bindIp);
    }
    connector.setPort(url.getParameter(Constants.BIND_PORT_KEY, url.getPort()));

    server = new Server();
    server.setThreadPool(threadPool);
    server.addConnector(connector);

    ServletHandler servletHandler = new ServletHandler();
    ServletHolder servletHolder = servletHandler.addServletWithMapping(DispatcherServlet.class, "/*");
    servletHolder.setInitOrder(2);

    server.addHandler(servletHandler);

    try {
        server.start();
    } catch (Exception e) {
        throw new IllegalStateException("Failed to start jetty server on " + url.getParameter(Constants.BIND_IP_KEY) + ":" + url.getParameter(Constants.BIND_PORT_KEY) + ", cause: "
                + e.getMessage(), e);
    }
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
public void go() {
  QueuedThreadPool pool = new QueuedThreadPool();
  pool.setMinThreads(2); // debug server doesn't need many threads.
  pool.setMaxThreads(10);
  pool.setName("DebugServer(port" + port + ")");
  pool.setDaemon(true);
  server.setThreadPool(pool);
  SocketConnector connector = new SocketConnector();

  connector.setPort(port);
  connector.setHost(host);
  connector.setMaxIdleTime(60000); // 1 min
  server.addConnector(connector);

  context.setContextPath("/");
  context.setBaseResource(Resource.newClassPathResource("/org/cloudera/stethoscope"));
  server.setHandler(context);

  addServlet(new DefaultServlet(), "/");
  addServlet(new DataServlet(), "/json/*");
  addServlet(new TracerServlet(inst), "/tracer/*");
  addServlet(new EvaluateServlet(), "/evaluate");
  addServlet(new PoorMansProfileServlet(), "/poorMansProfiler");
  addServlet(new JMXJsonServlet(), "/jmx");
  
  // addServlet(new LoggerServlet(), "/logging");
  
  try {
    server.start();
  } catch (Exception e) {
    // avoiding logging in this context.
    e.printStackTrace(System.err);
  }
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
/**
 * Set the min, max number of worker threads (simultaneous connections).
 */
public void setThreads(int min, int max) {
  QueuedThreadPool pool = (QueuedThreadPool) webServer.getThreadPool();
  pool.setMinThreads(min);
  pool.setMaxThreads(max);
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
public JettyHttpServer(URL url, final HttpHandler handler){
        super(url, handler);

        // modified by lishen
        this.url = url;
        // TODO we should leave this setting to slf4j
        Log.setLog(new StdErrLog());
        Log.getLog().setDebugEnabled(false);

        DispatcherServlet.addHttpHandler(url.getPort(), handler);

        int threads = url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS);
        QueuedThreadPool threadPool = new QueuedThreadPool();
        threadPool.setDaemon(true);
        threadPool.setMaxThreads(threads);
        threadPool.setMinThreads(threads);

        SelectChannelConnector connector = new SelectChannelConnector();
        if (! url.isAnyHost() && NetUtils.isValidLocalHost(url.getHost())) {
            connector.setHost(url.getHost());
        }
        connector.setPort(url.getPort());

        server = new Server();
        server.setThreadPool(threadPool);
        server.addConnector(connector);

        ServletHandler servletHandler = new ServletHandler();
        ServletHolder servletHolder = servletHandler.addServletWithMapping(DispatcherServlet.class, "/*");
        servletHolder.setInitOrder(2);

        // modified by lishen
        // dubbo's original impl can't support the use of ServletContext
//        server.addHandler(servletHandler);
        // TODO Context.SESSIONS is the best option here?
        Context context = new Context(server, "/", Context.SESSIONS);
        context.setServletHandler(servletHandler);
        ServletManager.getInstance().addServletContext(url.getPort(), context.getServletContext());

        try {
            server.start();
        } catch (Exception e) {
            throw new IllegalStateException("Failed to start jetty server on " + url.getAddress() + ", cause: "
                                            + e.getMessage(), e);
        }
    }
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
/**
 * Set the min, max number of worker threads (simultaneous connections).
 */
public void setThreads(int min, int max) {
  QueuedThreadPool pool = (QueuedThreadPool) webServer.getThreadPool() ;
  pool.setMinThreads(min);
  pool.setMaxThreads(max);
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
private void setupHTTPServer() throws IOException {
  TProtocolFactory protocolFactory = new TBinaryProtocol.Factory();
  TProcessor processor = new Hbase.Processor<Hbase.Iface>(handler);
  TServlet thriftHttpServlet = new ThriftHttpServlet(processor, protocolFactory, realUser,
      conf, hbaseHandler, securityEnabled, doAsEnabled);

  httpServer = new Server();
  // Context handler
  Context context = new Context(httpServer, "/", Context.SESSIONS);
  context.setContextPath("/");
  String httpPath = "/*";
  httpServer.setHandler(context);
  context.addServlet(new ServletHolder(thriftHttpServlet), httpPath);

  // set up Jetty and run the embedded server
  Connector connector = new SelectChannelConnector();
  if(conf.getBoolean(THRIFT_SSL_ENABLED, false)) {
    SslSelectChannelConnector sslConnector = new SslSelectChannelConnector();
    String keystore = conf.get(THRIFT_SSL_KEYSTORE_STORE);
    String password = HBaseConfiguration.getPassword(conf,
        THRIFT_SSL_KEYSTORE_PASSWORD, null);
    String keyPassword = HBaseConfiguration.getPassword(conf,
        THRIFT_SSL_KEYSTORE_KEYPASSWORD, password);
    sslConnector.setKeystore(keystore);
    sslConnector.setPassword(password);
    sslConnector.setKeyPassword(keyPassword);
    connector = sslConnector;
  }
  String host = getBindAddress(conf).getHostAddress();
  connector.setPort(listenPort);
  connector.setHost(host);
  connector.setHeaderBufferSize(1024 * 64);
  httpServer.addConnector(connector);

  if (doAsEnabled) {
    ProxyUsers.refreshSuperUserGroupsConfiguration(conf);
  }

  // Set the default max thread number to 100 to limit
  // the number of concurrent requests so that Thrfit HTTP server doesn't OOM easily.
  // Jetty set the default max thread number to 250, if we don't set it.
  //
  // Our default min thread number 2 is the same as that used by Jetty.
  int minThreads = conf.getInt(HTTP_MIN_THREADS, 2);
  int maxThreads = conf.getInt(HTTP_MAX_THREADS, 100);
  QueuedThreadPool threadPool = new QueuedThreadPool(maxThreads);
  threadPool.setMinThreads(minThreads);
  httpServer.setThreadPool(threadPool);

  httpServer.setSendServerVersion(false);
  httpServer.setSendDateHeader(false);
  httpServer.setStopAtShutdown(true);

  LOG.info("Starting Thrift HTTP Server on " + Integer.toString(listenPort));
}
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
public JettyHttpServer(URL url, final HttpHandler handler){
        super(url, handler);

        // modified by lishen
        this.url = url;
        // TODO we should leave this setting to slf4j
        Log.setLog(new StdErrLog());
        Log.getLog().setDebugEnabled(false);

        DispatcherServlet.addHttpHandler(url.getPort(), handler);

        int threads = url.getParameter(Constants.THREADS_KEY, Constants.DEFAULT_THREADS);
        QueuedThreadPool threadPool = new QueuedThreadPool();
        threadPool.setDaemon(true);
        threadPool.setMaxThreads(threads);
        threadPool.setMinThreads(threads);

        SelectChannelConnector connector = new SelectChannelConnector();
        if (! url.isAnyHost() && NetUtils.isValidLocalHost(url.getHost())) {
            connector.setHost(url.getHost());
        }
        connector.setPort(url.getPort());

        server = new Server();
        server.setThreadPool(threadPool);
        server.addConnector(connector);

        ServletHandler servletHandler = new ServletHandler();
        ServletHolder servletHolder = servletHandler.addServletWithMapping(DispatcherServlet.class, "/*");
        servletHolder.setInitOrder(2);

        // modified by lishen
        // dubbo's original impl can't support the use of ServletContext
//        server.addHandler(servletHandler);
        // TODO Context.SESSIONS is the best option here?
        Context context = new Context(server, "/", Context.SESSIONS);
        context.setServletHandler(servletHandler);
        BaseContext.CTX.addServletContext(url.getPort(), context.getServletContext());

        try {
            server.start();
        } catch (Exception e) {
            throw new IllegalStateException("Failed to start jetty server on " + url.getAddress() + ", cause: "
                                            + e.getMessage(), e);
        }
    }
 

import org.mortbay.thread.QueuedThreadPool; //導入方法依賴的package包/類
@Override
public void start() throws Exception {
    VersionInfo.logVersion();
    Configuration conf = builder.getHbaseConfiguration();

    conf.set("hbase.rest.port", hbaseRestPort.toString());
    conf.set("hbase.rest.readonly", (hbaseRestReadOnly == null) ? "true" : hbaseRestReadOnly.toString());
    conf.set("hbase.rest.info.port", (hbaseRestInfoPort == null) ? "8085" : hbaseRestInfoPort.toString());
    String hbaseRestHost = (this.hbaseRestHost == null) ? "0.0.0.0" : this.hbaseRestHost;

    Integer hbaseRestThreadMax = (this.hbaseRestThreadMax == null) ? 100 : this.hbaseRestThreadMax;
    Integer hbaseRestThreadMin = (this.hbaseRestThreadMin == null) ? 2 : this.hbaseRestThreadMin;

    UserProvider userProvider = UserProvider.instantiate(conf);
    Pair<FilterHolder, Class<? extends ServletContainer>> pair = loginServerPrincipal(userProvider, conf);
    FilterHolder authFilter = pair.getFirst();
    Class<? extends ServletContainer> containerClass = pair.getSecond();
    RESTServlet.getInstance(conf, userProvider);

    // set up the Jersey servlet container for Jetty
    ServletHolder sh = new ServletHolder(containerClass);
    sh.setInitParameter("com.sun.jersey.config.property.resourceConfigClass", ResourceConfig.class.getCanonicalName());
    sh.setInitParameter("com.sun.jersey.config.property.packages", "jetty");
    ServletHolder shPojoMap = new ServletHolder(containerClass);
    Map<String, String> shInitMap = sh.getInitParameters();
    for (Map.Entry<String, String> e : shInitMap.entrySet()) {
        shPojoMap.setInitParameter(e.getKey(), e.getValue());
    }
    shPojoMap.setInitParameter(JSONConfiguration.FEATURE_POJO_MAPPING, "true");

    // set up Jetty and run the embedded server

    server = new Server();

    Connector connector = new SelectChannelConnector();
    if (conf.getBoolean(RESTServer.REST_SSL_ENABLED, false)) {
        SslSelectChannelConnector sslConnector = new SslSelectChannelConnector();
        String keystore = conf.get(RESTServer.REST_SSL_KEYSTORE_STORE);
        String password = HBaseConfiguration.getPassword(conf, RESTServer.REST_SSL_KEYSTORE_PASSWORD, null);
        String keyPassword = HBaseConfiguration.getPassword(conf, RESTServer.REST_SSL_KEYSTORE_KEYPASSWORD, password);
        sslConnector.setKeystore(keystore);
        sslConnector.setPassword(password);
        sslConnector.setKeyPassword(keyPassword);
        connector = sslConnector;
    }
    connector.setPort(hbaseRestPort);
    connector.setHost(hbaseRestHost);
    connector.setHeaderBufferSize(8192);


    server.addConnector(connector);

    QueuedThreadPool threadPool = new QueuedThreadPool(hbaseRestThreadMax);
    threadPool.setMinThreads(hbaseRestThreadMin);
    server.setThreadPool(threadPool);

    server.setSendServerVersion(false);
    server.setSendDateHeader(false);
    server.setStopAtShutdown(true);
    // set up context
    Context context = new Context(server, "/", Context.SESSIONS);
    context.addServlet(shPojoMap, "/status/cluster");
    context.addServlet(sh, "/*");
    if (authFilter != null) {
        context.addFilter(authFilter, "/*", 1);
    }

    HttpServerUtil.constrainHttpMethods(context);

    // Put up info server.
    int port = (hbaseRestInfoPort == null) ? 8085 : hbaseRestInfoPort;
    if (port >= 0) {
        conf.setLong("startcode", System.currentTimeMillis());
        String a = hbaseRestHost;
        infoServer = new InfoServer("rest", a, port, false, conf);
        infoServer.setAttribute("hbase.conf", conf);
        infoServer.start();
    }
    // start server
    server.start();
}