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<html xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:mshelp="http://msdn.microsoft.com/mshelp" xmlns:ddue="http://ddue.schemas.microsoft.com/authoring/2003/5" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:msxsl="urn:schemas-microsoft-com:xslt"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" /><META NAME="save" CONTENT="history" /><title>MaxMutexes Property </title><link rel="stylesheet" type="text/css" href="../styles/presentation.css" /><link rel="stylesheet" type="text/css" href="ms-help://Hx/HxRuntime/HxLink.css" /><script type="text/javascript" src="../scripts/EventUtilities.js"> </script><script type="text/javascript" src="../scripts/SplitScreen.js"> </script><script type="text/javascript" src="../scripts/Dropdown.js"> </script><script type="text/javascript" src="../scripts/script_manifold.js"> </script><script type="text/javascript" src="../scripts/script_feedBack.js"> </script><script type="text/javascript" src="../scripts/CheckboxMenu.js"> </script><script type="text/javascript" src="../scripts/CommonUtilities.js"> </script><meta name="container" content="BerkeleyDB" /><meta name="file" content="P_BerkeleyDB_MutexConfig_MaxMutexes" /><meta name="guid" content="P_BerkeleyDB_MutexConfig_MaxMutexes" /><xml><MSHelp:Attr Name="AssetID" Value="P:BerkeleyDB.MutexConfig.MaxMutexes" /><MSHelp:TOCTitle Title="MaxMutexes Property " /><MSHelp:RLTitle Title="MutexConfig.MaxMutexes Property (BerkeleyDB)" /><MSHelp:Keyword Index="A" Term="P:BerkeleyDB.MutexConfig.MaxMutexes" /><MSHelp:Keyword Index="A" Term="frlrfBerkeleyDBMutexConfigClassMaxMutexesTopic" /><MSHelp:Keyword Index="K" Term="MaxMutexes property" /><MSHelp:Keyword Index="K" Term="MutexConfig.MaxMutexes property" /><MSHelp:Keyword Index="F" Term="MaxMutexes" /><MSHelp:Keyword Index="F" Term="MutexConfig.MaxMutexes" /><MSHelp:Keyword Index="F" Term="BerkeleyDB.MutexConfig.MaxMutexes" /><MSHelp:Attr Name="APIType" Value="Managed" /><MSHelp:Attr Name="APILocation" Value="libdb_dotnet53.dll" /><MSHelp:Attr Name="APIName" Value="BerkeleyDB.MutexConfig.MaxMutexes" /><MSHelp:Attr Name="APIName" Value="BerkeleyDB.MutexConfig.get_MaxMutexes" /><MSHelp:Attr Name="APIName" Value="BerkeleyDB.MutexConfig.set_MaxMutexes" /><MSHelp:Attr Name="DevLang" Value="CSharp" /><MSHelp:Attr Name="DevLang" Value="VB" /><MSHelp:Attr Name="DevLang" Value="C++" /><MSHelp:Attr Name="Locale" Value="en-us" /><MSHelp:Attr Name="TopicType" Value="kbSyntax" /><MSHelp:Attr Name="TopicType" Value="apiref" /><MSHelp:Attr Name="Abstract" Value="The total number of mutexes to allocate." /><MSHelp:Attr Name="AssemblyVersion" Value="5.3.28.0" /></xml></head><body><input type="hidden" id="userDataCache" class="userDataStyle" /><input type="hidden" id="hiddenScrollOffset" /><img id="collapseImage" style="display:none; 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The total number of mutexes to allocate.
</div><p />
<b>Namespace:</b>
<a href="N_BerkeleyDB.htm">BerkeleyDB</a><br />
<b>Assembly:</b>
<span sdata="assembly">libdb_dotnet53</span> (in libdb_dotnet53.dll) Version: 5.3.28.0<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">uint</a> <span class="identifier">MaxMutexes</span> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic (Declaration)</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Property</span> <span class="identifier">MaxMutexes</span> <span class="keyword">As</span> <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">UInteger</a></pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span>:
<span class="keyword">property</span> <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">unsigned int</a> <span class="identifier">MaxMutexes</span> {
<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">unsigned int</a> <span class="keyword">get</span> ();
<span class="keyword">void</span> <span class="keyword">set</span> (<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">unsigned int</a> <span class="parameter">value</span>);
}</pre></td></tr></table></span></div></div><h1 class="heading"><span onclick="ExpandCollapse(remarksToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(remarksToggle, event)" tabindex="0"><img id="remarksToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Remarks</span></h1><div id="remarksSection" class="section" name="collapseableSection" style="">
<p>
Berkeley DB allocates a default number of mutexes based on the
initial configuration of the database environment. That default
calculation may be too small if the application has an unusual need
for mutexes (for example, if the application opens an unexpectedly
large number of databases) or too large (if the application is
trying to minimize its memory footprint). MaxMutexes is used to
specify an absolute number of mutexes to allocate.
</p>
<p>
If both <a href="P_BerkeleyDB_MutexConfig_Increment.htm">Increment</a> and MaxMutexes are set, the value of
Increment will be silently ignored.
</p>
<p>
If the database environment already exists when
<a href="M_BerkeleyDB_DatabaseEnvironment_Open.htm">Open(String, DatabaseEnvironmentConfig)</a> is called, the value of
MaxMutexes will be ignored.
</p>
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