Create one log file for each day. The log files will have the following names (dependent of culture)
2016-06-05.log
2016-06-06.log
2016-06-07.log
...
<?xml version="1.0" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<targets>
<target name="file" xsi:type="File"
layout="${longdate} ${logger} ${message} ${exception}"
fileName="${basedir}/${shortdate}.log" />
</targets>
<rules>
<logger name="*" minlevel="Debug" writeTo="file" />
</rules>
</nlog>