modules/distribution/src/main/config/logback.xml

<!--
  Copyright 2014 Fluo authors (see AUTHORS)

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->

<!--
This file configures logging for the Fluo oracle and workers (when using 'fluo' & 'local-fluo' commands)
-->
<configuration>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${io.fluo.log.dir}/${io.fluo.log.app}_${io.fluo.log.host}.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
      <fileNamePattern>${io.fluo.log.dir}/${io.fluo.log.app}_${io.fluo.log.host}.log.%i</fileNamePattern>
      <minIndex>1</minIndex>
      <maxIndex>10</maxIndex>
    </rollingPolicy>

    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
      <maxFileSize>100MB</maxFileSize>
    </triggeringPolicy>

    <encoder>
      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
    </encoder>
  </appender>

  <logger name="io.fluo" level="debug"/>
  <logger name="org.apache.zookeeper" level="error"/>
  <logger name="org.apache.curator" level="error"/>
  <logger name="org.apache.twill" level="warn"/>
  <logger name="org.apache.twill.yarn.YarnTwillRunnerService" level="error"/>

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