<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns:MadCap="http://www.madcapsoftware.com/Schemas/MadCap.xsd" MadCap:lastBlockDepth="2" MadCap:lastHeight="120" MadCap:lastWidth="624" MadCap:disableMasterStylesheet="true" MadCap:tocPath="Tuning|Main Operations Performance|Update Performance" MadCap:InPreviewMode="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" MadCap:PathToHelpSystem="../../../../" MadCap:HelpSystemFileName="index.xml" MadCap:SearchType="Stem"> <head><title>Client-Server </title> <script type="text/javascript">/* <![CDATA[ */ window.onload = function(){ var pathToFlash = $('html').attr('MadCap:PathToHelpSystem') + 'Content/Resources/Code/ZeroClipboard.swf'; ZeroClipboard.setMoviePath(pathToFlash); function bindToClipBord(element,content){ var clip = new ZeroClipboard.Client(); clip.setText(content); clip.glue(element); }; if(location.protocol==='file:'){ $('.copylink-marker').remove(); } else{ $('.copylink-marker').each(function(){ var text = $(this).parent().parent().children('.prettyprint').html(); $(this).hover(function(){ bindToClipBord(this,text); }, function(){}); }); } prettyPrint(); }; /* ]]> */</script> <link href="../../../SkinSupport/MadCap.css" rel="stylesheet" /> <link href="../../../Resources/Stylesheets/OnlineStyle.css" rel="stylesheet" /> <script src="../../../Resources/Code/prettify.js"> </script> <script src="../../../Resources/Code/lang-vb.js"> </script> <script src="../../../Resources/Code/jquery.min.js"> </script> <script src="../../../Resources/Code/ZeroClipboard.js"> </script> <script src="../../../SkinSupport/MadCapAll.js" type="text/javascript"> </script> </head> <body> <p class="MCWebHelpFramesetLink" style="display: none;"><a href="../../../../index_CSH.html#tuning/main_operations_performance/update_performance/client-server.htm" style="">Open topic with navigation</a> </p> <div class="MCBreadcrumbsBox"><span class="MCBreadcrumbsPrefix">You are here: </span><a class="MCBreadcrumbsLink" href="../../../tuning.htm">Tuning</a><span class="MCBreadcrumbsDivider"> > </span><a class="MCBreadcrumbsLink" href="../../main_operations_performance.htm">Main Operations Performance</a><span class="MCBreadcrumbsDivider"> > </span><a class="MCBreadcrumbsLink" href="../update_performance.htm">Update Performance</a><span class="MCBreadcrumbsDivider"> > </span><span class="MCBreadcrumbs">Cient-Server</span> </div> <p> <script type="text/javascript">/*<![CDATA[*/document.write('<a href="' + location.href +'">'); document.write("Direct Link"); document.write('</a>');/*]]>*/</script> </p> <p> </p> <h1>Client-Server</h1> <p>Client/server performance is a bit slower than local performance. This is illustrated with the following test:</p> <p MadCap:conditions="Global.Primary:java" /> <p MadCap:conditions="Primary..NET"> <pre class="prettyprint" xml:space="preserve">UpdatePerformanceBenchmark.cs: RunClientServerTest private void RunClientServerTest() { System.Console.WriteLine("Update test: Client/Server environment"); int objectsToUpdate = 30; Init(); Clean(); Open(ConfigureClientServer()); Store(); System.Console.WriteLine("Update " + objectsToUpdate + " of " + _count + " objects locally:"); UpdateItems(objectsToUpdate); Close(); InitForClientServer(); Clean(); Open(ConfigureClientServer()); Store(); System.Console.WriteLine("Update " + objectsToUpdate + " of " + _count + " objects remotely:"); UpdateItems(objectsToUpdate); Close(); }</pre> <pre class="prettyprint" xml:space="preserve">UpdatePerformanceBenchmark.cs: InitForClientServer private void InitForClientServer() { _count = 1000; _depth = 90; _isClientServer = true; _host = "localhost"; }</pre> <pre class="prettyprint" xml:space="preserve">UpdatePerformanceBenchmark.cs: Init private void Init() { _count = 1000; _depth = 90; _isClientServer = false; }</pre> <pre class="prettyprint" xml:space="preserve">UpdatePerformanceBenchmark.cs: ConfigureClientServer private IConfiguration ConfigureClientServer() { IConfiguration config = Db4oFactory.NewConfiguration(); config.ClientServer().SingleThreadedClient(true); return config; }</pre> </p> <p MadCap:conditions="Global.Primary:net" /> <p>The results:</p> <p><i>Update test: Client/Server environment</i> </p> <p><i>Store 90000 objects: 7935ms</i> </p> <p><i>Update 30 of 1000 objects locally:</i> </p> <p><i>Updated 30 items: 404ms</i> </p> <p><i>Store 90000 objects: 11421ms</i> </p> <p><i>Update 30 of 1000 objects remotely:</i> </p> <p><i>Updated 30 items: 436ms</i> </p> <p>You can see that the performance drop is quite insignificant in this case, however it can be much worse on slow or unreliable networks.</p> <p MadCap:conditions="Primary.Online">Download example code:</p> <p MadCap:conditions="Primary.Online"> <MadCap:conditionalText MadCap:conditions="Primary..NET,Primary.c#,Primary.All languages"><a href="updateperformancecs.zip">c# </a> </MadCap:conditionalText> </p> <script type="text/javascript" src="../../../SkinSupport/MadCapBodyEnd.js"> </script> </body> </html>