There must be only 2 input splits being produced for your job. Either you have 2 unsplitable files, or the input file(s) you have are not large enough compared to the block size to be split.
Table 6-1 in chapter 06 gives a breakdown of all of the configuration parameters that affect split size in hadoop 0.19. Alphas are available :) This is detailed in my book in ch06 On Tue, Apr 21, 2009 at 5:07 PM, javateck javateck <javat...@gmail.com>wrote: > anyone knows why setting *mapred.tasktracker.map.tasks.maximum* not > working? > I set it to 10, but still see only 2 map tasks running when running one job > -- Alpha Chapters of my book on Hadoop are available http://www.apress.com/book/view/9781430219422
