1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>env txn_checkpoint</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB TCL API Reference" /> 10 <link rel="up" href="tclapi.html" title="Chapter 1. Berkeley DB Tcl APIs" /> 11 <link rel="prev" href="txn_abort.html" title="txn abort" /> 12 <link rel="next" href="txn_commit.html" title="txn commit" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center"><span class="emphasis"><em>env</em></span> txn_checkpoint</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="txn_abort.html">Prev</a> </td> 22 <th width="60%" align="center">Chapter 1. 23 Berkeley DB Tcl APIs 24 </th> 25 <td width="20%" align="right"> <a accesskey="n" href="txn_commit.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="txn_checkpoint"></a><span class="emphasis"><em>env</em></span> txn_checkpoint</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">env txn_checkpoint 39 [-force] 40 [-kbyte kb] 41 [-min minutes] </pre> 42 <p> 43 The <span class="emphasis"><em>env</em></span> <span class="bold"><strong>txn_checkpoint</strong></span> command writes a checkpoint. 44 </p> 45 <p> 46 The options are as follows: 47 </p> 48 <div class="itemizedlist"> 49 <ul type="disc"> 50 <li> 51 <p> 52 <span class="bold"><strong>-force</strong></span> 53 </p> 54 <p> 55 The checkpoint will occur regardless of activity level. 56 </p> 57 </li> 58 <li> 59 <p> 60 <span class="bold"><strong>-kbyte kb</strong></span> 61 </p> 62 <p> 63 The checkpoint will occur only if at least the specified number of 64 kilobytes of log data has been written since the last checkpoint. 65 </p> 66 </li> 67 <li> 68 <p> 69 <span class="bold"><strong>-min minutes</strong></span> 70 </p> 71 <p> 72 The checkpoint will occur only if at least the specified number of 73 minutes has passed since the last checkpoint. 74 </p> 75 </li> 76 </ul> 77 </div> 78 <p> 79 In the case of error, a Tcl error is thrown. 80 </p> 81 </div> 82 <div class="navfooter"> 83 <hr /> 84 <table width="100%" summary="Navigation footer"> 85 <tr> 86 <td width="40%" align="left"><a accesskey="p" href="txn_abort.html">Prev</a> </td> 87 <td width="20%" align="center"> 88 <a accesskey="u" href="tclapi.html">Up</a> 89 </td> 90 <td width="40%" align="right"> <a accesskey="n" href="txn_commit.html">Next</a></td> 91 </tr> 92 <tr> 93 <td width="40%" align="left" valign="top"><span class="emphasis"><em>txn</em></span> abort </td> 94 <td width="20%" align="center"> 95 <a accesskey="h" href="index.html">Home</a> 96 </td> 97 <td width="40%" align="right" valign="top"> <span class="emphasis"><em>txn</em></span> commit</td> 98 </tr> 99 </table> 100 </div> 101 </body> 102</html> 103