When all map tasks and reduce tasks have been completed, the master wakes up the user program. At this point, the MapReduce call in the user program returns back to the user code.

当所有map和reduce操作完成后，master唤醒用户程序。

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The Global Volcanism Program has been in operation since 1968 and we look back at least 10, 000 years on a global scale—we call any volcano “active” if it has erupted in the last 10, 000 years.

全球火山活动机构自1968年以来一直在运行着，我们会追溯到全球范围内至少一万年以前——我们把任何在距今一万年以内喷发过的火山成为“活火山”。

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When the PowerPC debugger finds a program running SPU_RUN ioctl call, it switches to the SPU back-end code and works on the SPU context instead of the main program context.

当 PowerPC 调试器发现一个程序运行 SPU_RUN ioctl 调用时，它就切换到 SPU 后端代码上，并使用 SPU 上下文，而不是主程序的上下文。

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