Examples of org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor$NewThreadRunsPolicy

Package org.jboss.netty.handler.execution

Examples of org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor$NewThreadRunsPolicy

org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor
A {@link ThreadPoolExecutor} which blocks the task submission when there'stoo many tasks in the queue.
Both per- {@link Channel} and per-{@link Executor} limitation can be applied.If the total size of the unprocessed tasks (i.e. {@link Runnable}s) exceeds either per- {@link Channel} or per-{@link Executor} threshold, any further{@link #execute(Runnable)} call will block until the tasks in the queueare processed so that the total size goes under the threshold.
{@link ObjectSizeEstimator} is used to calculate the size of each task.
Please note that this executor does not maintain the order of the {@link ChannelEvent}s for the same {@link Channel}. For example, you can even receive a {@code "channelClosed"} event before a{@code "messageReceived"} event, as depicted by the following diagram.For example, the events can be processed as depicted below:
```
 --------------------------------> Timeline --------------------------------> Thread X: --- Channel A (Event 2) --- Channel A (Event 1) ---------------------------> Thread Y: --- Channel A (Event 3) --- Channel B (Event 2) --- Channel B (Event 3) ---> Thread Z: --- Channel B (Event 1) --- Channel B (Event 4) --- Channel A (Event 4) ---> 
```
To maintain the event order, you must use {@link OrderedMemoryAwareThreadPoolExecutor}. @author The Netty Project (netty-dev@lists.jboss.org) @author Trustin Lee (tlee@redhat.com) @version $Rev: 1011 $, $Date: 2009-03-11 20:22:06 +0900 (Wed, 11 Mar 2009) $ @apiviz.uses org.jboss.netty.handler.execution.ObjectSizeEstimator @apiviz.uses org.jboss.netty.handler.execution.ChannelEventRunnable

  }


  public NettyServer(InetSocketAddress addr, ChannelFactory channelFactory,
      Configuration conf) {
    this(addr, channelFactory, new ExecutionHandler(
        new MemoryAwareThreadPoolExecutor(128, 1024 * 1024 * 32,
            1024 * 1024 * 32)), conf);
  }

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   */
  public StrestServerPipelineFactory(StrestRouter router, SSLContext sslContext) {
    this.router = router;
    this.sslContext = sslContext;
    this.handler = new ExecutionHandler(
               new MemoryAwareThreadPoolExecutor(
                   router.getServer().getConfig().getInteger("threads.worker", 16), 1048576, 1048576)
      );
  }

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    boolean useExecutionHandler =
        GiraphConstants.NETTY_SERVER_USE_EXECUTION_HANDLER.get(conf);
    if (useExecutionHandler) {
      int executionThreads = conf.getNettyServerExecutionThreads();
      executionHandler = new ExecutionHandler(
          new MemoryAwareThreadPoolExecutor(
              executionThreads, 1048576, 1048576, 1, TimeUnit.HOURS,
              new ThreadFactoryBuilder().setNameFormat("netty-server-exec-%d").
                  build()));
      if (LOG.isInfoEnabled()) {
        LOG.info("NettyServer: Using execution handler with " +

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        NETTY_CLIENT_EXECUTION_AFTER_HANDLER.get(conf);
    boolean useExecutionHandler = NETTY_CLIENT_USE_EXECUTION_HANDLER.get(conf);
    if (useExecutionHandler) {
      int executionThreads = NETTY_CLIENT_EXECUTION_THREADS.get(conf);
      executionHandler = new ExecutionHandler(
          new MemoryAwareThreadPoolExecutor(
              executionThreads, 1048576, 1048576, 1, TimeUnit.HOURS,
              new ThreadFactoryBuilder().setNameFormat("netty-client-exec-%d")
                  .build()));
      if (LOG.isInfoEnabled()) {
        LOG.info("NettyClient: Using execution handler with " +

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