| 1 | # Define some default values that can be overridden by system properties | 
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| 2 | hadoop.root.logger=INFO,console | 
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| 3 | hadoop.log.dir=. | 
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| 4 | hadoop.log.file=hadoop.log | 
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| 5 |  | 
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| 6 | # Define the root logger to the system property "hadoop.root.logger". | 
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| 7 | log4j.rootLogger=${hadoop.root.logger}, EventCounter | 
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| 8 |  | 
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| 9 | # Logging Threshold | 
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| 10 | log4j.threshhold=ALL | 
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| 11 |  | 
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| 12 | # | 
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| 13 | # Daily Rolling File Appender | 
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| 14 | # | 
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| 15 |  | 
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| 16 | log4j.appender.DRFA=org.apache.log4j.DailyRollingFileAppender | 
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| 17 | log4j.appender.DRFA.File=${hadoop.log.dir}/${hadoop.log.file} | 
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| 18 |  | 
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| 19 | # Rollver at midnight | 
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| 20 | log4j.appender.DRFA.DatePattern=.yyyy-MM-dd | 
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| 21 |  | 
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| 22 | # 30-day backup | 
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| 23 | #log4j.appender.DRFA.MaxBackupIndex=30 | 
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| 24 | log4j.appender.DRFA.layout=org.apache.log4j.PatternLayout | 
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| 25 |  | 
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| 26 | # Pattern format: Date LogLevel LoggerName LogMessage | 
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| 27 | log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n | 
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| 28 | # Debugging Pattern format | 
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| 29 | #log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n | 
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| 30 |  | 
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| 31 |  | 
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| 32 | # | 
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| 33 | # console | 
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| 34 | # Add "console" to rootlogger above if you want to use this | 
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| 35 | # | 
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| 36 |  | 
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| 37 | log4j.appender.console=org.apache.log4j.ConsoleAppender | 
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| 38 | log4j.appender.console.target=System.err | 
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| 39 | log4j.appender.console.layout=org.apache.log4j.PatternLayout | 
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| 40 | log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{2}: %m%n | 
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| 41 |  | 
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| 42 | # | 
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| 43 | # TaskLog Appender | 
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| 44 | # | 
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| 45 |  | 
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| 46 | #Default values | 
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| 47 | hadoop.tasklog.taskid=null | 
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| 48 | hadoop.tasklog.noKeepSplits=4 | 
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| 49 | hadoop.tasklog.totalLogFileSize=100 | 
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| 50 | hadoop.tasklog.purgeLogSplits=true | 
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| 51 | hadoop.tasklog.logsRetainHours=12 | 
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| 52 |  | 
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| 53 | log4j.appender.TLA=org.apache.hadoop.mapred.TaskLogAppender | 
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| 54 | log4j.appender.TLA.taskId=${hadoop.tasklog.taskid} | 
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| 55 | log4j.appender.TLA.totalLogFileSize=${hadoop.tasklog.totalLogFileSize} | 
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| 56 |  | 
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| 57 | log4j.appender.TLA.layout=org.apache.log4j.PatternLayout | 
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| 58 | log4j.appender.TLA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n | 
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| 59 |  | 
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| 60 | # | 
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| 61 | # Rolling File Appender | 
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| 62 | # | 
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| 63 |  | 
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| 64 | #log4j.appender.RFA=org.apache.log4j.RollingFileAppender | 
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| 65 | #log4j.appender.RFA.File=${hadoop.log.dir}/${hadoop.log.file} | 
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| 66 |  | 
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| 67 | # Logfile size and and 30-day backups | 
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| 68 | #log4j.appender.RFA.MaxFileSize=1MB | 
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| 69 | #log4j.appender.RFA.MaxBackupIndex=30 | 
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| 70 |  | 
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| 71 | #log4j.appender.RFA.layout=org.apache.log4j.PatternLayout | 
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| 72 | #log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} - %m%n | 
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| 73 | #log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n | 
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| 74 |  | 
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| 75 | # | 
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| 76 | # FSNamesystem Audit logging | 
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| 77 | # All audit events are logged at INFO level | 
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| 78 | # | 
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| 79 | log4j.logger.org.apache.hadoop.fs.FSNamesystem.audit=WARN | 
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| 80 |  | 
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| 81 | # Custom Logging levels | 
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| 82 |  | 
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| 83 | #log4j.logger.org.apache.hadoop.mapred.JobTracker=DEBUG | 
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| 84 | #log4j.logger.org.apache.hadoop.mapred.TaskTracker=DEBUG | 
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| 85 | #log4j.logger.org.apache.hadoop.fs.FSNamesystem=DEBUG | 
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| 86 |  | 
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| 87 | # Jets3t library | 
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| 88 | log4j.logger.org.jets3t.service.impl.rest.httpclient.RestS3Service=ERROR | 
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| 89 |  | 
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| 90 | # | 
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| 91 | # Event Counter Appender | 
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| 92 | # Sends counts of logging messages at different severity levels to Hadoop Metrics. | 
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| 93 | # | 
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| 94 | log4j.appender.EventCounter=org.apache.hadoop.metrics.jvm.EventCounter | 
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