If you only need the client to print DEBUG log, please export HADOOP_ROOT_LOGGER=DEBUG,console
On Thu, Nov 17, 2011 at 10:36 PM, seven garfee <garfee.se...@gmail.com>wrote: > 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? > > >