tools/atlas-migration-exporter/atlas-logback.xml

<?xml version="1.0" encoding="UTF-8" ?>
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  ~ or more contributor license agreements.  See the NOTICE file
  ~ distributed with this work for additional information
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  ~ to you under the Apache License, Version 2.0 (the
  ~ "License"); you may not use this file except in compliance
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<configuration>
  <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
    <param name="Target" value="System.out"/>
    <encoder>
      <pattern>%date [%thread] %level{5} [%file:%line] %msg%n</pattern>
    </encoder>
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
      <level>INFO</level>
    </filter>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${atlas.log.dir}/${atlas.log.file}</file>
    <append>true</append>
    <encoder>
      <pattern>%date [%thread] %level{5} [%file:%line] %msg%n</pattern>
    </encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>${atlas.log.dir}/${atlas.log.file}-%d</fileNamePattern>
      <maxHistory>20</maxHistory>
      <cleanHistoryOnStart>true</cleanHistoryOnStart>
    </rollingPolicy>
  </appender>

  <logger name="org.apache.atlas" additivity="false" level="info">
    <appender-ref ref="FILE"/>
  </logger>

  <logger name="com.thinkaurelius.titan" additivity="false" level="warn">
    <appender-ref ref="FILE"/>
  </logger>

  <logger name="org.springframework" additivity="false" level="warn">
    <appender-ref ref="console"/>
  </logger>

  <logger name="org.eclipse" additivity="false" level="warn">
    <appender-ref ref="console"/>
  </logger>

  <logger name="com.sun.jersey" additivity="false" level="warn">
    <appender-ref ref="console"/>
  </logger>

  <!-- to avoid logs - The configuration log.flush.interval.messages = 1 was supplied but isn't a known config -->
  <logger name="org.apache.kafka.common.config.AbstractConfig" additivity="false" level="error">
    <appender-ref ref="FILE"/>
  </logger>

  <root level="warn">
    <appender-ref ref="FILE"/>
  </root>
</configuration>