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<?xml version="1.0" encoding="UTF-8"?>

<!--
  Copyright © 2015 Cask Data, Inc.
    
  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.
  -->

<!--
  Logback used by containers that run in YARN eg. Flows, MR, Explore
-->
<configuration>

  <!--
    Disabling some chatty loggers.
  -->
  <logger name="org.apache.commons.beanutils" level="ERROR"/>
  <logger name="org.apache.zookeeper.server" level="ERROR"/>
  <logger name="org.apache.zookeeper" level="ERROR"/>
  <logger name="com.ning" level="WARN"/>
  <logger name="org.apache.spark" level="WARN"/>
  <logger name="org.spark-project" level="WARN"/>
  <logger name="org.apache.hadoop" level="WARN"/>
  <logger name="org.apache.hive" level="WARN"/>
  <logger name="org.quartz.core" level="WARN"/>
  <logger name="org.eclipse.jetty" level="WARN"/>
  <logger name="io.netty.util.internal" level="WARN"/>

  <logger name="org.apache.twill" level="WARN"/>
  <logger name="co.cask.cdap" level="INFO"/>

  <!-- Redirected stdout and stderr of Hive operations -->
  <logger name="Explore.stdout" level="INFO"/>
  <logger name="Explore.stderr" level="INFO"/>


  <!-- quick workaround suggested by CASK for ticket #666 [DE257314] -->
  <logger name="org.apache.hadoop.io.retry.RetryInvocationHandler" level="ERROR"/>

    <appender name="Rolling" class="ch.qos.logback.core.rolling.RollingFileAppender">
      <!-- LOG_DIRS is the environment variable set by YARN for container logs -->
      <file>${LOG_DIRS}/program.log</file>
      <encoder>
        <pattern>%d{ISO8601} - %-5p [%t:%logger{1}@%L] - %m%n</pattern>
      </encoder>
      <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <!-- Daily rollover at midnight-->
        <fileNamePattern>${LOG_DIRS}/program.%d.log</fileNamePattern>

        <!-- Keep 2 weeks of history -->
        <maxHistory>14</maxHistory>
      </rollingPolicy>
    </appender>

  <root level="INFO">
    <appender-ref ref="Rolling"/>
  </root>

</configuration>