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這篇文章主要介紹了.Net core2.0日志組件Log4net、Nlog簡單性能測試的示例分析,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
測試環境
開發工具: Vsual Studio 2017 15.3
框架版本: .net core 2.0
操作系統:window10 Enterprise 1703
硬件配置:CPU I3-4170 3.7GHz,內存 8G,固態硬盤
日志組件
log4net 2.0.8
nlog 5.0.0-beta10
測試用例
1.不啟用Buffer,連續插入20萬行字符串到文件,單文件最大1MB。
2.啟用Buffer為100,連續插入20萬行字符串到文件,單文件最大1MB。
測試方法
xunit單元測試。
測試代碼
using System; using System.Diagnostics; using System.IO; using Xunit; using Xunit.Abstractions; namespace Demo.Logging.Tests { /// <summary> /// Log4net、Nlog日志文件寫入對比 /// </summary> public class BigDataTest { private readonly ITestOutputHelper output; public BigDataTest(ITestOutputHelper outputHelper) { output = outputHelper; } /// <summary> /// 使用Log4net連續插入20W行字符串 /// </summary> [Fact] public void Log4netTest() { log4net.Repository.ILoggerRepository repository = log4net.LogManager.CreateRepository("NETCoreRepository"); var fileInfo = new FileInfo("config/log4net.config"); log4net.Config.XmlConfigurator.Configure(repository, fileInfo); log4net.Config.BasicConfigurator.Configure(repository); log4net.ILog log = log4net.LogManager.GetLogger(repository.Name, "NETCorelog4net"); var total = 200000; var sw = new Stopwatch(); sw.Start(); for (int i = 0; i < total; i++) { log.Info("log4 bigdata test: " + i); } sw.Stop(); log.Info($"total: {total}, Elapsed:{sw.ElapsedMilliseconds}"); output.WriteLine($"Log4net測試 total: {total}, Elapsed:{sw.ElapsedMilliseconds}"); } /// <summary> /// 使用Nlog連續插入20W行字符串 /// </summary> [Fact] public void NlogTest() { NLog.Logger log = NLog.LogManager.GetCurrentClassLogger(); var total = 200000; var sw = new Stopwatch(); sw.Start(); for (int i = 0; i < total; i++) { log.Info("nlog bigdata test: " + i); } sw.Stop(); log.Info($"total: {total}, Elapsed:{sw.ElapsedMilliseconds}"); output.WriteLine($"NLog測試 total: {total}, Elapsed:{sw.ElapsedMilliseconds}"); } } }
測試用例一:不啟用緩存,連續插入20W行
1.Log4net
配置
log4net.config
<?xml version="1.0" encoding="utf-8" ?> <configuration> <!-- This section contains the log4net configuration settings --> <log4net> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender"> <file value="logfile/" /> <appendToFile value="true" /> <rollingStyle value="Composite" /> <staticLogFileName value="false" /> <datePattern value="yyyyMMdd'.log'" /> <maxSizeRollBackups value="10" /> <maximumFileSize value="1MB" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date | %message%newline" /> </layout> </appender> <!-- Setup the root category, add the appenders and set the default level --> <root> <level value="ALL" /> <appender-ref ref="RollingLogFileAppender" /> </root> </log4net> </configuration>
測試結果
輸出日志內容:
2017-09-11 19:38:02,276 | log4 bigdata test: 0
2017-09-11 19:38:02,279 | log4 bigdata test: 1
... ...
... ...
2017-09-11 19:38:02,279 | log4 bigdata test: 199998
2017-09-11 19:38:02,279 | log4 bigdata test: 199999
Log4net耗時:
寫入行數:200000, 毫秒數:7749
2.Nlog
配置
nlog.config
<?xml version="1.0" encoding="utf-8" ?> <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" autoReload="true" internalLogLevel="Warn" internalLogFile="internal-nlog.txt"> <!-- define various log targets --> <targets> <!-- write logs to file --> <target xsi:type="File" name="ownFile-web" fileName="logs/nlog-own-${shortdate}.log" layout="${longdate} | ${message}" archiveAboveSize="1048576"/> </targets> <rules> <logger name="*" minlevel="Trace" writeTo="ownFile-web" /> </rules> </nlog>
測試結果
輸出日志內容:
2017-09-11 19:38:02,276 | nlog bigdata test: 0
2017-09-11 19:38:02,279 | nlog bigdata test: 1
......
......
2017-09-11 19:38:02,279 | nlog bigdata test: 199998
2017-09-11 19:38:02,279 | nlog bigdata test: 199999
Nlog耗時:
寫入行數:200000, 毫秒數:104468
測試用例二:啟用Buffer,連續插入20W行
1.Log4net
配置 log4net.config
...... <log4net> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender"> <bufferSize value="100" /> ......
耗時:Log4net寫入行數:200000, 毫秒數:4672
2.Nlog
配置
nlog.config
...... <targets> <!-- write logs to file --> <default-wrapper xsi:type="BufferingWrapper" bufferSize="100"/> <target xsi:type="File" name="ownFile-web" fileName="logs/nlog-own-${shortdate}.log" layout="${longdate} | ${message}" archiveAboveSize="1048576"/> </targets> ......
Nlog耗時:寫入行數:200000, 毫秒數:1605
總結
日志組件 | 版本 | 環境 | 用例 | (啟用Buffer=100)毫秒數 | (不啟用Buffer)毫秒數 |
---|---|---|---|---|---|
log4net | 2.0.8 | .netcore 2.0 | 20W行文件寫入 | 4672 | 7749 |
nlog | 5.0.0-beta10 | .netcore 2.0 | 20W行文件寫入 | 1605 | 104468 |
代碼和配置文件都在上邊了,不知道不同配置的機器結果如何。
大家又會傾向于nlog還是log4net? log4net無論是否啟用buffer,耗時都比較穩定,10秒以內,前后差距1.66倍;nlog在啟用buffer前后,耗時差距65倍 ,未啟用buffer竟然需要100多秒,雖然在啟用buffer后僅1.605秒。
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