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From "Larry Aucoin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LOG4NET-500) 1.2.15 RollingFileAppender is 60% slower than 1.2.11
Date Sun, 03 Jan 2016 16:56:39 GMT
Larry Aucoin created LOG4NET-500:
------------------------------------

             Summary: 1.2.15 RollingFileAppender is 60% slower than 1.2.11
                 Key: LOG4NET-500
                 URL: https://issues.apache.org/jira/browse/LOG4NET-500
             Project: Log4net
          Issue Type: Improvement
          Components: Appenders
    Affects Versions: 1.2.15
         Environment: 4.5.2 .NET Framework
            Reporter: Larry Aucoin


1.2.15 RollingFileAppender is 60% slower than 1.2.11.  I am using the following code and app.config
file to test the 2 versions.  


APP.CONFIG
========================
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"
/>
  </configSections>
  <log4net>
    <root>
      <level value="DEBUG" />
      <appender-ref ref="RollingFileAppender" />
    </root>
    <appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender, log4net">
      <file value="C:\TraceLogging\TraceLoggingTeset1.2.15.log" />
      <appendToFile value="true" />
      <rollingStyle value="Size" />
      <maxSizeRollBackups value="10" />
      <maximumFileSize value="20MB" />
      <staticLogFileName value="true" />
      <layout type="log4net.Layout.PatternLayout, log4net">
        <param name="ConversionPattern" value="%date [%thread] %-5level [%logger].%message%newline"
/>
      </layout>
    </appender>
  </log4net>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2"/>
    </startup>
</configuration>
========================

CODE:
========================
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;
using log4net.Core;

namespace TraceLoggingTest
{
    public partial class Form1 : Form
    {
        public log4net.ILog Logger;

        public Form1()
        {
            InitializeComponent();

            Logger = log4net.LogManager.GetLogger("Form1");
            log4net.Config.XmlConfigurator.Configure();
        }

        private void btnTest_Click(object sender, EventArgs e)
        {
            Logger.Debug("=====================================================");
            Stopwatch sw = new Stopwatch();
            sw.Start();
            for (int i = 0; i < 5000; i++)
            {
                Logger.Debug("Write item [" + i.ToString() + "]...");
            }
            sw.Stop();
            Logger.Debug("TOTAL TIME [" + sw.ElapsedMilliseconds.ToString() + "]");
            this.lblTime.Text = sw.ElapsedMilliseconds.ToString() + " ms";
            Logger.Debug("=====================================================");
        }
    }
}
========================



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