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161 lines
6.2 KiB
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<title>DbEnv::get_cachesize()</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<p>Library Version 11.2.5.2</p>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DbEnv::get_cachesize()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="envget_cache_max.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 9.
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The DbMpoolFile Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="mempget_mp_max_openfd.html">Next</a></td>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="envget_cachesize"></a>DbEnv::get_cachesize()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db_cxx.h>
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int
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DbEnv::get_cachesize(u_int32_t *gbytesp, u_int32_t *bytesp, int *ncachep);</pre>
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<p>
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The <code class="methodname">DbEnv::get_cachesize()</code> method returns the current size and
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composition of the cache, as set using the
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<a class="xref" href="envset_cachesize.html" title="DbEnv::set_cachesize()">DbEnv::set_cachesize()</a>
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method.
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</p>
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<p>
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The <code class="methodname">DbEnv::get_cachesize()</code> method may be called at any time during
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the life of the application.
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</p>
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<p>
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The <code class="methodname">DbEnv::get_cachesize()</code> <span>
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<span>
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method either returns a non-zero error value or throws an
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exception that encapsulates a non-zero error value on
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failure, and returns 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3643238"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3643224"></a>gbytesp</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>gbytesp</strong></span> parameter references
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memory into which the gigabytes of memory in the cache is copied.
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</p>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3643141"></a>bytesp</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>bytesp</strong></span> parameter references
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memory into which the additional bytes of memory in the cache is
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copied.
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</p>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3643222"></a>ncachep</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>ncachep</strong></span> parameter references
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memory into which the number of caches is copied.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3643281"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3642881"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a>,
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<a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a>,
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<a class="xref" href="envset_cachesize.html" title="DbEnv::set_cachesize()">DbEnv::set_cachesize()</a>
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</p>
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</div>
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<div class="navfooter">
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<hr />
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<a accesskey="u" href="memp.html">Up</a>
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<td width="40%" align="right"> <a accesskey="n" href="mempget_mp_max_openfd.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DbEnv::get_cache_max() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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<td width="40%" align="right" valign="top"> DbEnv::get_mp_max_openfd()</td>
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