Junfan Zhang created YARN-11599:
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             Summary: Incorrect log4j properties file in SLS sample conf
                 Key: YARN-11599
                 URL: https://issues.apache.org/jira/browse/YARN-11599
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Junfan Zhang


https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-sls/src/main/sample-conf/log4j.properties

 

log4j.appender.test=org.apache.log4j.ConsoleAppender
log4j.appender.test.Target=System.out
log4j.appender.test.layout=org.apache.log4j.PatternLayout
log4j.appender.test.layout.ConversionPattern=%d\{ABSOLUTE} %5p %c\{1}:%L - %m%n

log4j.logger=NONE, test

 

This is invalid in current log4j version, if applied this, the test performance 
will be slow!

 

I think the warn level is enough and required. The level < warn will effect 
performance



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