hadoop日志级别修改

相关工具:

[grid@h1 conf]$ hadoop daemonlog -h


USAGES:
java org.apache.hadoop.log.LogLevel -getlevel <host:port> <name>
java org.apache.hadoop.log.LogLevel -setlevel <host:port> <name> <level>


例如:

[grid@h1 conf]$ hadoop daemonlog -getlevel h1:50070 NameNode
Connecting to http://h1:50070/logLevel?log=NameNode
Submitted Log Name: NameNode
Log Class: org.apache.commons.logging.impl.Log4JLogger
Effective level: INFO


[grid@h1 conf]$ hadoop daemonlog -setlevel h1:50070 NameNode debug
Connecting to http://h1:50070/logLevel?log=NameNode&level=debug
Submitted Log Name: NameNode
Log Class: org.apache.commons.logging.impl.Log4JLogger
Submitted Level: debug
Setting Level to debug ...
Effective level: DEBUG

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