mirror of
https://github.com/yasuhirokimura/db18
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Yasuhiro KIMURA
94 lines
4.0 KiB
HTML
94 lines
4.0 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>set_data_len</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ API Reference" />
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<link rel="up" href="configuration_reference.html" title="Appendix B. DB_CONFIG Parameter Reference" />
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<link rel="prev" href="set_create_dir_parameter.html" title="set_create_dir" />
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<link rel="next" href="set_flags_parameter.html" title="set_flags" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 18.1.40</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">set_data_len</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="set_create_dir_parameter.html">Prev</a> </td>
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<th width="60%" align="center">Appendix B. DB_CONFIG Parameter Reference</th>
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<td width="20%" align="right"> <a accesskey="n" href="set_flags_parameter.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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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="set_data_len_parameter"></a>set_data_len</h2>
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</div>
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</div>
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</div>
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<p>
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Limits the amount of data displayed when
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<a class="xref" href="lockstat_print.html" title="DbEnv::lock_stat_print()">
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<span>DbEnv::lock_stat_print()</span>
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</a>
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is called with the <code class="literal">DB_STAT_ALL</code> flag.
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</p>
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<p>
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If the
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<a class="xref" href="db_printlog.html" title="db_printlog">db_printlog</a>
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or
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<a class="xref" href="db_dump.html" title="db_dump">db_dump</a> utility
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uses a <code class="literal">DB_CONFIG</code> file with this
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setting, it sets the the default for the amount of data
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displayed for each key/data item. This value may be
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overridden using the
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<span class="bold"><strong>-D</strong></span> option for both utilities.
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</p>
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<p>
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The value set here must be greater than 0. The default
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value is 100.
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</p>
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<p>
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The syntax of this parameter in the <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file is a
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single line with the string
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<code class="literal">set_data_len</code>, one or more whitespace
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characters, and the directory name.
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</p>
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<p>
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For example:
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</p>
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<pre class="programlisting">set_data_len 1048576</pre>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="set_create_dir_parameter.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="configuration_reference.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="set_flags_parameter.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">set_create_dir </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>
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<td width="40%" align="right" valign="top"> set_flags</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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