tomcat/webapps/pentaho/WEB-INF/classes/log4.xml -> add to the end
<!-- ========================================================= -->
<!-- Special Log File specifically for Reporting log -->
<!-- ========================================================= -->
<category name="org.pentaho.metadata">
<priority value="TRACE"/>
</category>
<appender name="METADATA" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="/opt/pentaho/601ee/server/biserver-ee/tomcat/logs/metadata.log"/>
<param name="Append" value="true"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<category name="org.pentaho.metadata">
<priority value="TRACE"/>
<appender-ref ref="METADATA"/>
</category>
<category name="com.pentaho.iadhoc.model">
<priority value="DEBUG"/>
<appender-ref ref="METADATA"/>
</category>
<category name="com.pentaho.iadhoc.service">
<priority value="DEBUG"/>
<appender-ref ref="METADATA"/>
</category>
tomcat/webapps/pentaho/WEB-INF/classes/log4.xml -> uncomment
<!-- optional logging info for the Mondrian OLAP Engine -->
<!-- ========================================================= -->
<!-- Special Log File specifically for Mondrian -->
<!-- ========================================================= -->
<appender name="MONDRIAN" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="/opt/pentaho/601ee/server/biserver-ee/tomcat/logs/mondrian.log"/>
<param name="Append" value="false"/>
<param name="MaxFileSize" value="500KB"/>
<param name="MaxBackupIndex" value="1"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<category name="mondrian">
<priority value="DEBUG"/>
<appender-ref ref="MONDRIAN"/>
</category>
<!-- ========================================================= -->
<!-- Special Log File specifically for Mondrian MDX Statements -->
<!-- ========================================================= -->
<appender name="MDXLOG" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="/opt/pentaho/601ee/server/biserver-ee/tomcat/logs/mondrian_mdx.log"/>
<param name="Append" value="false"/>
<param name="MaxFileSize" value="500KB"/>
<param name="MaxBackupIndex" value="1"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<category name="mondrian.mdx">
<priority value="DEBUG"/>
<appender-ref ref="MDXLOG"/>
</category>
<!-- ========================================================= -->
<!-- Special Log File specifically for Mondrian SQL Statements -->
<!-- ========================================================= -->
<appender name="SQLLOG" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="/opt/pentaho/601ee/server/biserver-ee/tomcat/logs/mondrian_sql.log"/>
<param name="Append" value="false"/>
<param name="MaxFileSize" value="500KB"/>
<param name="MaxBackupIndex" value="1"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<category name="mondrian.sql">
<priority value="DEBUG"/>
<appender-ref ref="SQLLOG"/>
</category>