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<h2 class="title" style="clear: both"><a id="envget_cache_max"></a>DbEnv::get_cache_max()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
DbEnv::get_cache_max(u_int32_t *gbytesp, u_int32_t *bytesp);</pre>
<p>
The <code class="methodname">DbEnv::get_cache_max()</code> method returns the maximum size of the
cache as set using the
<a class="xref" href="envset_cache_max.html" title="DbEnv::set_cache_max()">DbEnv::set_cache_max()</a>
method.
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The <code class="methodname">DbEnv::get_cache_max()</code> method may be called at any time during
the life of the application.
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The <code class="methodname">DbEnv::get_cache_max()</code> <span>
<span>
method either returns a non-zero error value or throws an
exception that encapsulates a non-zero error value on
failure, and returns 0 on success.
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<h4 class="title"><a id="idp8592592"></a>gbytesp</h4>
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The <span class="bold"><strong>gbytesp</strong></span> parameter references
memory into which the gigabytes of memory in the cache is copied.
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<h4 class="title"><a id="idp8536368"></a>bytesp</h4>
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The <span class="bold"><strong>bytesp</strong></span> parameter references
memory into which the additional bytes of memory in the cache is
copied.
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<a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a>,
<a class="xref" href="envset_cache_max.html" title="DbEnv::set_cache_max()">DbEnv::set_cache_max()</a>
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