logging performance updates.

NzbDrone/NLog.config

@@ -18,14 +18,14 @@
         <layout>${exception:format=ToString}</layout>
       </parameter>
     </target>
-    <target xsi:type="File" name="rollingFileLogger" fileName="${appLog}" autoFlush="true" keepFileOpen="false"
+    <target xsi:type="File" name="rollingFileLogger" fileName="${appLog}" autoFlush="true" keepFileOpen="true"
            concurrentWrites="false" concurrentWriteAttemptDelay="50" concurrentWriteAttempts ="10"
             archiveAboveSize="1024000" maxArchiveFiles="5" enableFileDelete="true" archiveNumbering ="Rolling"
             layout="${date:format=yy-M-d HH\:mm\:ss.f}|${level}|${logger}|${message}${onexception:inner=${newline}${newline}${exception:format=ToString}${newline}}"/>
   </targets>
   <rules>
-    <logger name="*" minlevel="Trace" writeTo="consoleLogger"/>
+    <logger name="*" minlevel="Debug" writeTo="consoleLogger"/>
     <logger name="*" minlevel="Off" writeTo="udpTarget"/>
-    <logger name="*" minlevel="Trace" writeTo="rollingFileLogger"/>
+    <logger name="*" minlevel="Debug" writeTo="rollingFileLogger"/>
   </rules>
 </nlog>