Hi, I'm running my M/R and I can see that the number of maps is only one, and if I see the output console I can read
11/02/04 13:36:31 INFO mapreduce.Job: map 0% reduce 0% 11/02/04 13:37:33 INFO mapreduce.Job: map 1% reduce 0% 11/02/04 13:37:57 INFO mapreduce.Job: map 2% reduce 0% 11/02/04 13:38:24 INFO mapreduce.Job: map 3% reduce 0% 11/02/04 13:38:52 INFO mapreduce.Job: map 4% reduce 0% 11/02/04 13:39:28 INFO mapreduce.Job: map 5% reduce 0% 11/02/04 13:39:52 INFO mapreduce.Job: map 6% reduce 0% 11/02/04 13:40:25 INFO mapreduce.Job: map 7% reduce 0% 11/02/04 13:41:04 INFO mapreduce.Job: map 8% reduce 0% 11/02/04 13:41:25 INFO mapreduce.Job: map 9% reduce 0% 11/02/04 13:41:46 INFO mapreduce.Job: map 10% reduce 0% 11/02/04 13:42:07 INFO mapreduce.Job: map 11% reduce 0% 11/02/04 13:42:28 INFO mapreduce.Job: map 12% reduce 0% ... Why Is mapreduce doing that? I don't understand I force number of maps with: job.getConfiguration().set("mapreduce.job.maps","4"); job.getConfiguration().set("mapreduce.map.tasks","4"); But this configuration doesn't run. Thanks joan