Netty-0x06-数据结构优化

1 Selector

final SelectorTuple selectorTuple = this.openSelector();

2 MPSC

private static Queue<Runnable> newTaskQueue(
        EventLoopTaskQueueFactory queueFactory) {
    if (queueFactory == null) {
        /**
         * 依赖jctools的MPSC队列实现
         *   - 多生产者
         *   - 单消费者
         */
        return newTaskQueue0(DEFAULT_MAX_PENDING_TASKS);
    }
    return queueFactory.newTaskQueue(DEFAULT_MAX_PENDING_TASKS);
}

3 ThreadLocal

private static final FastThreadLocal<EventExecutor> mappings = new FastThreadLocal<EventExecutor>();