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<title>DbEnv::get_mp_max_write()</title>
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<p>Library Version 11.2.5.2</p>
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<th colspan="3" align="center">DbEnv::get_mp_max_write()</th>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="mempget_mp_max_openfd.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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<h2 class="title" style="clear: both"><a id="mempget_mp_max_write"></a>DbEnv::get_mp_max_write()</h2>
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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_mp_max_write(int *maxwritep, db_timeout_t *maxwrite_sleepp);</pre>
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<p>
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The <code class="methodname">DbEnv::get_mp_max_write()</code> method returns the current maximum
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number of sequential write operations and microseconds to pause that the library can schedule when flushing
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dirty pages from the cache. These values are set by the
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<a class="xref" href="mempset_mp_max_write.html" title="DbEnv::set_mp_max_write()">DbEnv::set_mp_max_write()</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_mp_max_write()</code> method may be called at any time
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during 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_mp_max_write()</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="id3624046"></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="id3624035"></a>maxwritep</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>maxwritep</strong></span> parameter references
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memory into which the maximum number of sequential write operations
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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="id3623926"></a>maxwrite_sleepp</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>maxwrite_sleepp</strong></span> parameter
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references memory into which the microseconds to pause before
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scheduling further write operations 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="id3623858"></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>, <a class="link" href="memp.html" title="Chapter 9. The DbMpoolFile Handle">DbMpoolFile</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="id3624102"></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="mempset_mp_max_write.html" title="DbEnv::set_mp_max_write()">DbEnv::set_mp_max_write()</a>
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</p>
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<a accesskey="u" href="memp.html">Up</a>
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<td width="40%" align="left" valign="top">DbEnv::get_mp_max_openfd() </td>
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<td width="40%" align="right" valign="top"> DbEnv::get_mp_mmapsize()</td>
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