有时我在 apache server-status?auto 输出中看到有趣的东西，忙碌和空闲的工作者有时为零，这让我感到困惑，不知道是 apache 没有响应还是存在其他问题。有人可以指导我应该寻找什么来进一步探究这个问题吗？
BusyWorkers: 0
IdleWorkers: 0
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