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| author | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-07-20 20:00:05 +0100 |
|---|---|---|
| committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-07-20 20:00:05 +0100 |
| commit | 3ef782d3745ea8f25a3151561a3cfb882190210e (patch) | |
| tree | 86b9c2f5fde051dd0bced99b3fc9f5a3ba08db69 /docs/api_reference/CXX/rep_set_request_parameter.html | |
| download | berkeleydb-3ef782d3745ea8f25a3151561a3cfb882190210e.tar.gz | |
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| -rw-r--r-- | docs/api_reference/CXX/rep_set_request_parameter.html | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/docs/api_reference/CXX/rep_set_request_parameter.html b/docs/api_reference/CXX/rep_set_request_parameter.html new file mode 100644 index 00000000..b244cc80 --- /dev/null +++ b/docs/api_reference/CXX/rep_set_request_parameter.html @@ -0,0 +1,83 @@ +<?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>rep_set_request</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 B. DB_CONFIG Parameter Reference" /> + <link rel="prev" href="rep_set_priority_parameter.html" title="rep_set_priority" /> + <link rel="next" href="rep_set_timeout_parameter.html" title="rep_set_timeout" /> + </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">rep_set_request</th> + </tr> + <tr> + <td width="20%" align="left"><a accesskey="p" href="rep_set_priority_parameter.html">Prev</a> </td> + <th width="60%" align="center">Appendix B. DB_CONFIG Parameter Reference</th> + <td width="20%" align="right"> <a accesskey="n" href="rep_set_timeout_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="rep_set_request_parameter"></a>rep_set_request</h2> + </div> + </div> + </div> + <p> + Sets a threshold for the minimum and maximum + time that a client waits before requesting retransmission of a missing message. + </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">rep_set_request</code>, one or more whitespace + characters, and the request time specified in two parts: + the min and the max. Specifically, if the client detects a + gap in the sequence of incoming log records or database + pages, Berkeley DB will wait for at least min microseconds + before requesting retransmission of the missing record. + Berkeley DB will double that amount before requesting the + same missing record again, and so on, up to a maximum + threshold of max microseconds. + </p> + <p>By default the minimum is 40000 and the maximum is 1280000 (1.28 seconds). These defaults + are fairly arbitrary and the application likely needs to adjust these. The values should be + based on expected load and performance characteristics of the master and client host + platforms and transport infrastructure as well as round-trip message time. + </p> + <p>For more information, see <a class="xref" href="repset_request.html" title="DbEnv::rep_set_request()">DbEnv::rep_set_request()</a>. </p> + </div> + <div class="navfooter"> + <hr /> + <table width="100%" summary="Navigation footer"> + <tr> + <td width="40%" align="left"><a accesskey="p" href="rep_set_priority_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="rep_set_timeout_parameter.html">Next</a></td> + </tr> + <tr> + <td width="40%" align="left" valign="top">rep_set_priority </td> + <td width="20%" align="center"> + <a accesskey="h" href="index.html">Home</a> + </td> + <td width="40%" align="right" valign="top"> rep_set_timeout</td> + </tr> + </table> + </div> + </body> +</html> |