zookeeper-server/src/test/resources/logback.xml

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 Define some default values that can be overridden by system properties
-->
<configuration>

  <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n</pattern>
    </encoder>
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
      <level>INFO</level>
    </filter>
  </appender>

  <root level="INFO">
    <appender-ref ref="CONSOLE" />
  </root>
</configuration>