Cut down on the "mumbling" in the Task process' stdout/stderr
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Key: HADOOP-804
URL: http://issues.apache.org/jira/browse/HADOOP-804
Project: Hadoop
Issue Type: Improvement
Components: mapred
Reporter: Owen O'Malley
Assigned To: Sanjay Dahiya
Fix For: 0.10.0
Currently there is a lot of useless mumbling that Tasks do when running that
needs to be removed. For example, here is a list of the output from a map:
06/12/07 16:45:48 INFO mapred.TaskTracker: Child starting
06/12/07 16:45:48 INFO conf.Configuration: parsing
jar:file:/local/owen/hadoop-0.8.1-dev/hadoop-0.8.1-dev.jar!/hadoop-default.xml
06/12/07 16:45:48 INFO conf.Configuration: parsing
file:/local/owen/conf/mapred-default.xml
06/12/07 16:45:48 INFO ipc.Client:
org.apache.hadoop.io.ObjectWritableConnection culler maxidletime= 1000ms
06/12/07 16:45:48 INFO ipc.Client: org.apache.hadoop.io.ObjectWritable
Connection Culler: starting
06/12/07 16:45:48 INFO conf.Configuration: parsing
jar:file:/local/owen/hadoop-0.8.1-dev/hadoop-0.8.1-dev.jar!/hadoop-default.xml
06/12/07 16:45:48 INFO conf.Configuration: parsing
file:/local/owen/conf/mapred-default.xml
06/12/07 16:45:48 INFO conf.Configuration: parsing
/local/owen/run/tasktracker/taskTracker/jobcache/job_0002/task_0002_m_000000_0/job.xml
06/12/07 16:45:49 INFO conf.Configuration: parsing
jar:file:/local/owen/hadoop-0.8.1-dev/hadoop-0.8.1-dev.jar!/hadoop-default.xml
06/12/07 16:45:49 INFO conf.Configuration: parsing
file:/local/owen/conf/mapred-default.xml
06/12/07 16:45:49 INFO mapred.MapTask: opened part-0.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-1.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-2.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-3.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-4.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-5.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-6.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-7.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-8.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-9.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-10.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-11.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-12.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-13.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-14.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-15.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-16.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-17.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-18.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-19.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-20.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-21.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-22.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-23.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-24.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-25.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-26.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-27.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-28.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-29.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-30.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-31.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-32.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-33.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-34.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-35.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-36.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-37.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-38.out
06/12/07 16:45:49 INFO mapred.MapTask: opened part-39.out
Furthermore, it seems like the default logging level for Task subprocesses
should be set to WARN.
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