mapreduce的过程
http://blog.csdn.net/derekjiang/article/details/6851625
SimpleDateFormat dateformate=new SimpleDateFormat("yyyyMMdd"); Date today = dateformate.parse(date); for(int i=-1;i>-30;i--){ tempDate=DateUtils.addDays(today, i); FileInputFormat.addInputPath(job, new Path(coreActionInputPath+"/"+dateformate.format(tempDate))); System.out.println(coreActionInputPath+"/"+dateformate.format(tempDate)); } FileInputFormat.addInputPath(job, new Path(fKpidayInputPath + "/" + dateformate.format(today)));
获取参数
http://blog.sina.com.cn/s/blog_9ffceca501016vmj.html
hadoop cdh4 结构
http://blog.csdn.net/chenpingbupt/article/details/7922104
手动部署cdh4.5
http://wenku.baidu.com/view/6544c87f2e3f5727a5e962a3.html
http://www.xingxingge.com/Hadoop/134.html
http://dirlt.com/