mirror of
https://github.com/yasuhirokimura/db18
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Yasuhiro KIMURA
103 lines
4.5 KiB
HTML
103 lines
4.5 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>Replication Write Forwarding</title>
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<link rel="stylesheet" href="gettingStarted.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 Installation and Build Guide" />
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<link rel="up" href="upgrade_62_toc.html" title="Chapter 9. Upgrading Berkeley DB 12.1.6.1 applications to Berkeley DB 12.1.6.2" />
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<link rel="prev" href="upgrade_regiondir.html" title="Configurable Region Directory" />
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<link rel="next" href="upgrade_repmgripv6.html" title="Replication Manager IPv6 Support" />
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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">Replication Write Forwarding</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="upgrade_regiondir.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 9. Upgrading Berkeley DB 12.1.6.1 applications to Berkeley DB 12.1.6.2 </th>
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<td width="20%" align="right"> <a accesskey="n" href="upgrade_repmgripv6.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="upgrade_writeforward"></a>Replication Write Forwarding</h2>
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</div>
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</div>
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</div>
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<div class="toc">
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<dl>
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<dt>
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<span class="sect2">
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<a href="upgrade_writeforward.html#idm140649572901888">New Parameter Values</a>
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</span>
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</dt>
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</dl>
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</div>
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<p>
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Replication can now forward simple <a href="../api_reference/C/dbput.html" class="olink">DB->put()</a> and <a href="../api_reference/C/dbdel.html" class="olink">DB->del()</a>
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write operations from a client site to the master site.
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These write operations must specify a NULL transaction handle
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in order to be forwarded. Each forwarded write operation
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is performed in its own transaction on the master site.
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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="idm140649572901888"></a>New Parameter Values</h3>
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</div>
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</div>
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</div>
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<div class="itemizedlist">
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<ul type="disc">
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<li>
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DB_REPMGR_CONF_FORWARD_WRITES — A new
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<code class="literal">which</code>
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parameter value for the <a href="../api_reference/C/repconfig.html" class="olink">DB_ENV->rep_set_config()</a> method to indicate
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that write forwarding is enabled.
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</li>
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<li>
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DB_REP_WRITE_FORWARD_TIMEOUT — A new
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<code class="literal">which</code>
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parameter value for the <a href="../api_reference/C/repset_timeout.html" class="olink">DB_ENV->rep_set_timeout()</a> method to
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indicate the amount of time a replication client waits
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for a response from a forwarded write operation.
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</li>
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</ul>
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</div>
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</div>
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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="upgrade_regiondir.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="upgrade_62_toc.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="upgrade_repmgripv6.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">Configurable Region Directory </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"> Replication Manager IPv6 Support</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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