Dequeuing is single threaded, even if the message flow itself is configured for multiple instances.

退出队列是一个单线程操作，即使消息流本身配置为多实例时也是如此。

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Then when the game goes into background the queue simply stops dequeuing and resumes dequeuing when the game is in the foreground.

当比赛进入队列仅仅停止退出队列和简历背景游戏前景时退出队列。

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