Log4Net - RollingLogFileAppender sample

web.config

<log4net debug="true">
    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
      <file value="logs\serverlog" />
      <appendToFile value="true" />
      <datePattern value="_yyyy.MM.dd&quot;.log&quot;" />
      <preserveLogFileNameExtension value="true"/>
      <rollingStyle value="Composite" />
      <maxSizeRollBackups value="-1" />
      <maximumFileSize value="5MB" />
      <staticLogFileName value="false" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%-5p %d %5rms %-22.22c{1} %-18.18M - %m%n" />
      </layout>
    </appender>
    <root>
      <level value="DEBUG" />
      <appender-ref ref="RollingLogFileAppender" />
    </root>
  </log4net>