mirror of
https://github.com/berkeleydb/libdb.git
synced 2024-11-16 17:16:25 +00:00
91 lines
4.1 KiB
HTML
91 lines
4.1 KiB
HTML
<?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>log_set_config</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="configuration_reference.html" title="Appendix D. DB_CONFIG Parameter Reference" />
|
||
<link rel="prev" href="set_lk_partitions_parameter.html" title="set_lk_partitions" />
|
||
<link rel="next" href="set_mp_max_openfd_parameter.html" title="set_mp_max_openfd" />
|
||
</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">log_set_config</th>
|
||
</tr>
|
||
<tr>
|
||
<td width="20%" align="left"><a accesskey="p" href="set_lk_partitions_parameter.html">Prev</a> </td>
|
||
<th width="60%" align="center">Appendix D. DB_CONFIG Parameter Reference</th>
|
||
<td width="20%" align="right"> <a accesskey="n" href="set_mp_max_openfd_parameter.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="log_set_config_parameter"></a>log_set_config</h2>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<p>
|
||
Configures the Berkeley DB logging subsystem.
|
||
</p>
|
||
<p>
|
||
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
|
||
single line with the string
|
||
<code class="literal">log_set_config</code>, one or more whitespace
|
||
characters, method <span class="bold"><strong>flag</strong></span>
|
||
parameter as a string, optionally one or more whitespace
|
||
characters, and the string <code class="literal">on</code> or
|
||
<code class="literal">off</code>. If the optional string is
|
||
omitted, the default is <code class="literal">on.</code>
|
||
</p>
|
||
<p>
|
||
The method <span class="bold"><strong>flag</strong></span> parameters are:
|
||
</p>
|
||
<div class="itemizedlist">
|
||
<ul type="disc">
|
||
<li>
|
||
DB_LOG_DIRECT
|
||
<p>
|
||
Turns off system buffering of Berkeley DB log files to avoid double caching.
|
||
</p></li>
|
||
<li>
|
||
DB_LOG_DSYNC
|
||
<p>Configures Berkeley DB to flush log writes to the backing disk before returning from the
|
||
write system call, rather than flushing log writes explicitly in a separate system call, as
|
||
necessary.</p></li>
|
||
</ul>
|
||
</div>
|
||
<p>For more information, see <a class="xref" href="envlog_set_config.html" title="DB_ENV->log_set_config()">DB_ENV->log_set_config()</a>. </p>
|
||
</div>
|
||
<div class="navfooter">
|
||
<hr />
|
||
<table width="100%" summary="Navigation footer">
|
||
<tr>
|
||
<td width="40%" align="left"><a accesskey="p" href="set_lk_partitions_parameter.html">Prev</a> </td>
|
||
<td width="20%" align="center">
|
||
<a accesskey="u" href="configuration_reference.html">Up</a>
|
||
</td>
|
||
<td width="40%" align="right"> <a accesskey="n" href="set_mp_max_openfd_parameter.html">Next</a></td>
|
||
</tr>
|
||
<tr>
|
||
<td width="40%" align="left" valign="top">set_lk_partitions </td>
|
||
<td width="20%" align="center">
|
||
<a accesskey="h" href="index.html">Home</a>
|
||
</td>
|
||
<td width="40%" align="right" valign="top"> set_mp_max_openfd</td>
|
||
</tr>
|
||
</table>
|
||
</div>
|
||
</body>
|
||
</html>
|