hi,all when I start a Job,lots of messages are printed on screen,as follows:
Job started: Thu Nov 17 22:15:57 CST 2011 11/11/17 22:15:58 WARN snappy.LoadSnappy: Snappy native library is available 11/11/17 22:15:58 INFO util.NativeCodeLoader: Loaded the native-hadoop library 11/11/17 22:15:58 INFO snappy.LoadSnappy: Snappy native library loaded 11/11/17 22:15:58 INFO mapred.FileInputFormat: Total input paths to process : 80 11/11/17 22:15:58 INFO mapred.FileInputFormat: Total input paths to process : 80 11/11/17 22:16:03 INFO mapred.JobClient: Running job: job_201111172205_0003 but they are all INFO or WARN level log,how to enable DEBUG log printed?
