最后一项任务是将使用存储在应用程序中的信息来查找和处理所有可应用的子文档。
The final task is to use the stored information in your application to find and process all applicable subdocuments.
JobTracker作为启动MapReduce应用程序的单一控制点，它决定应该创建多少个TaskTracker和子任务，然后把每个子任务分配给TaskTracker。
The JobTracker, as the single control point for launching the MapReduce applications, decides how many TaskTracker and subordinate tasks to be created and then assigns each sub-task to TaskTracker.
前面的追踪信息显示迁移工具找不到两个功能应用程序 Search 和 Mobile 的安装文件夹，因此 LoadLCWasVariable 子任务跳过这一步。
The preceding trace indicates that the migration tool cannot find the installation folders of the two feature applications Search and Mobile, so the subtask LoadLCWasVariable skipped them.
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