You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-commits@hadoop.apache.org by Apache Wiki <wi...@apache.org> on 2006/07/11 01:01:36 UTC

[Lucene-hadoop Wiki] Trivial Update of "HowToConfigure" by MichaelStack

Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification.

The following page has been changed by MichaelStack:
http://wiki.apache.org/lucene-hadoop/HowToConfigure

------------------------------------------------------------------------------
  
  Hadoop logs messages to Log4j by default. Log4j is configured via log4j.properties on the classpath. This file defines both what is logged and where. For applications, the default root logger is "INFO,console", which logs all message at level INFO and above to the console's stderr. Servers log to the "INFO,DRFA", which logs to a file that is rolled daily. Log files are named $HADOOP_LOG_DIR/hadoop-$HADOOP_IDENT_STRING-<server>.log. 
  
- For Hadoop developers, it is often convienent to get additional logging from particular classes. If you are working on the TaskTracker, for example, you would likely want 
+ For Hadoop developers, it is often convenient to get additional logging from particular classes. If you are working on the TaskTracker, for example, you would likely want 
-  log4.logger.org.apache.hadoop.mapred.!TaskTracker=DEBUG
+  log4j.logger.org.apache.hadoop.mapred.!TaskTracker=DEBUG
  in your log4j.properties.