MAPREDUCE服务 MRS-MapReduce统计样例程序开发思路:场景说明

时间:2024-10-18 17:22:34

场景说明

假定用户有某个周末网民网购停留时间的日志文本,基于某些业务要求,要求开发MapReduce应用程序实现如下功能:

  • 统计日志文件中本周末网购停留总时间超过2个小时的女性网民信息。
  • 周末两天的日志文件第一列为姓名,第二列为性别,第三列为本次停留时间,单位为分钟,分隔符为“,”。

log1.txt:周六网民停留日志

LiuYang,female,20
YuanJing,male,10
GuoYijun,male,5
CaiXuyu,female,50
Liyuan,male,20
FangBo,female,50
LiuYang,female,20
YuanJing,male,10
GuoYijun,male,50
CaiXuyu,female,50
FangBo,female,60

log2.txt:周日网民停留日志

LiuYang,female,20
YuanJing,male,10
CaiXuyu,female,50
FangBo,female,50
GuoYijun,male,5
CaiXuyu,female,50
Liyuan,male,20
CaiXuyu,female,50
FangBo,female,50
LiuYang,female,20
YuanJing,male,10
FangBo,female,50
GuoYijun,male,50
CaiXuyu,female,50
FangBo,female,60
support.huaweicloud.com/devg3-mrs/mrs_07_150012.html