<?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>env txn_checkpoint</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 TCL API Reference" /> <link rel="up" href="tclapi.html" title="Chapter 1. Berkeley DB Tcl APIs" /> <link rel="prev" href="txn_abort.html" title="txn abort" /> <link rel="next" href="txn_commit.html" title="txn commit" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center"><span class="emphasis"><em>env</em></span> txn_checkpoint</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="txn_abort.html">Prev</a> </td> <th width="60%" align="center">Chapter 1. Berkeley DB Tcl APIs </th> <td width="20%" align="right"> <a accesskey="n" href="txn_commit.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="txn_checkpoint"></a><span class="emphasis"><em>env</em></span> txn_checkpoint</h2> </div> </div> </div> <pre class="programlisting">env txn_checkpoint [-force] [-kbyte kb] [-min minutes] </pre> <p> The <span class="emphasis"><em>env</em></span> <span class="bold"><strong>txn_checkpoint</strong></span> command writes a checkpoint. </p> <p> The options are as follows: </p> <div class="itemizedlist"> <ul type="disc"> <li> <p> <span class="bold"><strong>-force</strong></span> </p> <p> The checkpoint will occur regardless of activity level. </p> </li> <li> <p> <span class="bold"><strong>-kbyte kb</strong></span> </p> <p> The checkpoint will occur only if at least the specified number of kilobytes of log data has been written since the last checkpoint. </p> </li> <li> <p> <span class="bold"><strong>-min minutes</strong></span> </p> <p> The checkpoint will occur only if at least the specified number of minutes has passed since the last checkpoint. </p> </li> </ul> </div> <p> In the case of error, a Tcl error is thrown. </p> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="txn_abort.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="tclapi.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="txn_commit.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top"><span class="emphasis"><em>txn</em></span> abort </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> <span class="emphasis"><em>txn</em></span> commit</td> </tr> </table> </div> </body> </html>