hadoop - RunDrivers : 用于快速调用下面程序(简化下面包名) - minmaxcount/MinMaxCountDriver : 计算数据中时间的最大值、最小值以及记录数; - sample/RandomSampleDriver : 获取一个大文件的子集,用于数据分析; - sort - TotalOrderSort : 根据key对文件进行全排序(使用多个reduce); - TotalOrderSortSlow : 根据key对文件进行全排序(只使用一个reduce);
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