<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>DB_ENV->get_memory_max()</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> <link rel="up" href="env.html" title="Chapter 5. The DB_ENV Handle" /> <link rel="prev" href="envget_memory_init.html" title="DB_ENV->get_memory_init()" /> <link rel="next" href="envget_metadata_dir.html" title="DB_ENV->get_metadata_dir()" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 11.2.5.3</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DB_ENV->get_memory_max()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="envget_memory_init.html">Prev</a> </td> <th width="60%" align="center">Chapter 5. The DB_ENV Handle </th> <td width="20%" align="right"> <a accesskey="n" href="envget_metadata_dir.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="envget_memory_max"></a>DB_ENV->get_memory_max()</h2> </div> </div> </div> <pre class="programlisting">#include <db.h> int DB_ENV->get_memory_max(DB_ENV *dbenv, u_int32_t *gbytesp, u_int32_t *bytesp); </pre> <p> The <code class="methodname">DB_ENV->get_memory_max()</code> method returns the maximum amount of memory to be used by shared structures other than mutexes and the page cache (memory pool). This value is set using the <a class="xref" href="envset_memory_max.html" title="DB_ENV->set_memory_max()">DB_ENV->set_memory_max()</a> method. </p> <p> The <code class="methodname">DB_ENV->get_memory_max()</code> method may be called at any time during the life of the application. </p> <p> The <code class="methodname">DB_ENV->get_memory_max()</code> <span> <span> method returns a non-zero error value on failure and 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp51543672"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp51554064"></a>gbytesp</h4> </div> </div> </div> <p> The <span class="bold"><strong>gbytesp</strong></span> parameter references memory into which is copied the maximum number of gigabytes of memory that can be allocated. </p> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp51540512"></a>bytesp</h4> </div> </div> </div> <p> The <span class="bold"><strong>bytesp</strong></span> parameter references memory into which is copied the additional bytes of memory that can be allocated. </p> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp51540944"></a>sizep</h4> </div> </div> </div> <p> The <span class="bold"><strong>sizep</strong></span> parameter references memory into which is copied the maximum number of bytes to be allocated. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp51514600"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp51534624"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="envget_memory_init.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="env.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="envget_metadata_dir.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DB_ENV->get_memory_init() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DB_ENV->get_metadata_dir()</td> </tr> </table> </div> </body> </html>